China factory Stud Type Track Rollers Bearings Cam Follower Bearings CZPT Bearing supplier

Product Description

Specifications of Bearing

Track Roller Bearing
Product Description

Basic Features of Track Roller Bearing
Types Stud type track roller bearing
Yoke type track roller bearing
Series RSTO… and STO…
RNA22…2RS and NA22…RS
NATR… and NATV…
NUTR…
KR… and KRE…
KRV… and KRVE…
NUKR… and NUKRE…
NAST…ZZ
PWTR…2RS
KR52…NUUP
PWKR…2RS
Material Bearing Steel(GCr15, 100Cr6)
SPCC St14
Dimension Metric and Inch
Dimension Range 15mm~200mm(bore diameter)
MOQ 1
Delivery Time 15-45 days
Sea Ports ZheJiang HangZhou HangZhou

Quick Details
Model Number: RNA4924, RNA4928, RNA4930
Bore Size: 10 – 150 mm
Bore Size: 135 mm
Outside Diameter: 165 mm
Number of Row: Double Row
Precision Rating: P0 P2 P4 P6
Seals Type: OPEN RS 2RS Z ZZ
Structure: Roller bearing
Sample: AcceptInternal
Clearance: C0 C1 C2 C3 needle roller bearing
Lubrication: Oil or grease
Material: GCr15, GCr15SiMn, G20Cr2Ni4A needle roller bearing
Cage: Stainless steel/brass/steel plate needle roller bearing
Service: OEM service, Design service, Buyer label service

Specifications
1. Material: GCr15, GCr15SiMn,
2. Certification: ISO9001: 2008
3. Supply competitive price
Stainless thrust bearing needle roller

Needle roller bearing features:
Needle roller bearing with pressed outer ring is made of high-quality thin sheet by fine stamping process. It has such characteristics as small structure space and large load capacity, and is suitably used for the place where the installing space is limited and case hole cannot be used as the rolling race. Further axial orientation is not necessary after pressing into the bearing seat hole. B series are inch-size drawn cup full complement needle roller bearings with open end.

Widely used in automobiles, motorcycles, power tools, textile machines, farm machines, printers, etc.

Needle roller bearing model series: NK, NKS, RNA49, RNA69, RNA49-RS, RNA49-2RS

Packaging & Delivery
Packaging Detail: Product Packing: Polybag+Box/Polybox or Wooden Box Outer Packing: Carton/Wooden Box + Pallet
Delivery Detail: 5-15days

Showing of Bearing

RSTO… and STO… series

Bearing No.
(without inner ring)
Weight
(g)
Bearing No.
(with inner ring)
Weight
(g)
Dimensions(mm) Basic Load Rating(KN) Limiting Speed
(RPM)
D C B Fw E r Cr Cor
RSTO  5TN 8.5 16 7.8 7 10 0.3 2.55 2.55 16000
RSTO  6TN 12.5 STO  6TN 17 6 19 9.8 10 10 13 0.3 3.75 4.5 10000
RSTO  8TN 21 STO  8TN 26 8 24 9.8 10 12 15 0.3 4.2 5.5 8000
RSTO 10 42 STO 10 49 10 30 11.8 12 14 20 0.3 8.4 9.2 5500
RSTO 12 49 STO 12 57 12 32 11.8 12 16 22 0.3 8.9 10.1 4500
RSTO 15 50 STO 15 63 15 35 11.8 12 20 26 0.3 9.1 10.7 3300
RSTO 17 88 STO 17 107 17 40 15.8 16 22 29 0.3 14.3 17.7 2800
RSTO 20 130 STO 20 152 20 47 15.8 16 25 32 0.3 16.2 21.5 2400
RSTO 25 150 STO 25 177 25 52 15.8 16 30 37 0.3 16.5 22.9 1800
RSTO 30 255 STO 30 308 30 62 19.8 20 38 46 0.6 23.3 35 1300
RSTO 35 375 STO 35 441 35 72 19.8 20 42 50 0.6 25.5 40 1100
RSTO 40 420 STO 40 530 40 80 19.8 20 50 58 1 35 59.3 850
RSTO 45 453 STO 45 576 45 85 19.8 20 55 63 1 25.5 43 750
RSTO 50 481 STO 50 617 50 90 19.8 20 60 68 1 43.6 83.4 650

RNA22…2RS and NA22…2RS series

Bearing No.
(without inner ring)
Weight
(g)
Bearing No.
(with inner ring)
Weight
(g)
Dimensions(mm) Basic Load Rating(KN) Limiting Speed
(RPM)
D C B Fw D1 r r1 Cr Cor
RNA22/6.2RS NA22/6.2RS 6 19 11.8 12 10 16 0.3 0.3 4.8 4.6
RNA2200.2RS 52 NA2200.2RS 60 10 30 13.8 14 14 20 0.6 0.3 8 8.5 5500
RNA2201.2RS 57 NA2201.2RS 67 12 32 13.8 14 16 22 0.6 0.3 7.5 9 4700
RNA2202.2RS 60 NA2202.2RS 75 15 35 13.8 14 20 26 0.6 0.3 8.2 9.6 3400
RNA2203.2RS 94 NA2203.2RS 112 17 40 15.8 16 22 28 1 0.3 9.7 10.8 3000
RNA2204.2RS 152 NA2204.2RS 177 20 47 17.8 18 25 33 1 0.3 15.2 18.3 2300
RNA2205.2RS 179 NA2205.2RS 209 25 52 17.8 18 30 38 1 0.3 15.7 20 1800
RNA2206.2RS 284 NA2206.2RS 324 30 62 19.8 20 35 43 1 0.6 18.4 25.5 1400
RNA2207.2RS 432 NA2207.2RS 505 35 72 22.7 23 42 50 1.1 0.6 31.8 45.7 1100
RNA2208.2RS 530 NA2208.2RS 628 40 80 22.7 23 48 57 1.1 0.6 27.5 40.5 850
RNA2209.2RS 545 NA2209.2RS 655 45 85 22.7 23 52 62 1.1 0.6 28.5 43 800
RNA2210.2RS 563 NA2210.2RS 690 50 90 22.7 23 58 68 1.1 0.6 43.2 70 650

NATR… and NATV… series

Bearing No. Weight
(g)
Bearing No. Weight
(g)
Dimensions(mm) Basic Load Rating(KN) Limiting Speed
(RPM)
D B C d1 r Cr Cor
NATR  5 14 NATR  5PP 14 5 16 12 11 12 0.15 2.8 2.5 14000
NATV  5 15 NATV  5PP 15 5 16 12 11 12 0.15 7 8.6 3800
NATR  6 20 NATR  6PP 20 6 19 12 11 14 0.15 3.2 3.3 11000
NATV  6 21 NATV  6PP 21 6 19 12 11 14 0.15 7.9 10.7 3100
NATR  8 41 NATR  8PP 41 8 24 15 14 19 0.3 4.8 4.8 7500
NATV  8 42 NATV  8PP 42 8 24 15 14 19 0.3 10.2 12.9 2500
NATR 10 64 NATR 10PP 64 10 30 15 14 23 0.6 6.9 7 5500
NATV 10 65 NATV 10PP 65 10 30 15 14 23 0.6 12.5 15.3 2100
NATR 12 71 NATR 12PP 71 12 32 15 14 25 0.6 6.9 7.1 4500
NATV 12 72 NATV 12PP 72 12 32 15 14 25 0.6 13.3 17 1800
NATR 15 103 NATR 15PP 103 15 35 19 18 27 0.6 10.3 14.8 3600
NATV 15 105 NATV 15PP 105 15 35 19 18 27 0.6 19.6 34.7 1600
NATR 17 144 NATR 17PP 144 17 40 21 20 32 1 18.2 21.9 2900
NATV 17 152 NATV 17PP 152 17 40 21 20 32 1 31.5 45.3 1400
NATR 20 246 NATR 20PP 246 20 47 25 24 37 1 22.4 29.9 2400
NATV 20 254 NATV 20PP 254 20 47 25 24 37 1 37.7 59.1 1300
NATR 25 275 NATR 25PP 275 25 52 25 24 42 1 24 34.2 1800
NATV 25 285 NATV 25PP 285 25 52 25 24 42 1 43 73.6 1000
NATR 30 470 NATR 30PP 470 30 62 29 28 51 1 32.9 50.3 1300
NATV 30 481 NATV 30PP 481 30 62 29 28 51 1 57.1 104 850
NATR 35 635 NATR 35PP 635 35 72 29 28 58 1.1 34.4 55.8 1000
NATV 35 647 NATV 35PP 647 35 72 29 28 58 1.1 59.3 114.5 750
NATR 40 805 NATR 40PP 805 40 80 32 30 66 1.1 38.5 66.6 850
NATV 40 890 NATV 40PP 890 40 80 32 30 66 1.1 70.8 149.1 650
NATR 45 910 NATR 45PP 910 45 85 32 30 72 1.1 42.6 77.8 750
NATV 45 935 NATV 45PP 935 45 85 32 30 72 1.1 74.5 164.4
NATR 50 960 NATR 50PP 960 50 90 32 30 76 1.1 44.3 85.1 650
NATV 50 990 NATV 50PP 990 50 90 32 30 76 1.1 78 179.8 550

NUTR… series

Bearing No. Weight
(g)
Dimensions(mm) Basic Load Rating(KN)   Limiting Speed
(RPM)
D B C d1 r rs1 Cr Cor Fr perm For perm
NUTR 15 99 15 35 19 18 20 0.6 0.3 22.7 26.2 8.6 16.8 6500
NUTR 1542 158 15 42 19 18 20 0.6 0.3 22.7 26.2 21.9 21.9 6500
NUTR 17 147 17 40 21 21 22 1 0.5 27.7 32.4 13.1 22.6 5500
NUTR 1747 220 17 47 21 21 22 1 0.5 27.7 32.4 28 28 5500
NUTR 20 245 20 47 25 24 27 1 0.5 39.7 44 16.4 33 4200
NUTR 2052 321 20 52 25 24 27 1 0.5 39.7 44 38.5 41 4200
NUTR 25 281 25 52 25 24 31 1 0.5 44.7 57.2 17.3 34.5 3400
NUTR 2562 450 25 62 25 24 31 1 0.5 44.7 57.2 50 50 3400
NUTR 30 465 30 62 29 28 38 1 0.5 63.7 89.7 23.5 46.5 2600
NUTR 3072 697 30 72 29 28 38 1 0.5 63.7 89.7 64 64 2600
NUTR 35 630 35 72 29 28 44 1.1 0.6 75.1 104.6 32 60 2100
NUTR 3580 838 35 80 29 28 44 1.1 0.6 75.1 104.6 72 72 2100
NUTR 40 816 40 80 32 30 51 1.1 0.6 90.4 131.1 30.5 60 1600
NUTR 4090 1129 40 90 32 30 51 1.1 0.6 90.4 131.1 84 95 1600
NUTR 45 883 45 85 32 30 55 1.1 0.6 95.5 144.4 31.5 61 1400
NUTR 45100 1396 45 100 32 30 55 1.1 0.6 95.5 144.4 106 107 1400
NUTR 50 950 50 90 32 30 60 1.1 0.6 97.2 161.4 32 62 1300
NUTR 50110 1690 50 110 32 30 60 1.1 0.6 97.2 161.4 120 120 1300

KR… and KRE… series
KRV… and KRVE… series

Bearing No. Weight
(g)
Bearing No. Weight
(g)
Dimensions(mm) Basic Load Rating(KN) Limiting Speed Eccentric Collar Tightening Torque with Nut
D d C r B B1 B2 G G1 M M1 C1 d2 Cr Cor (RPM) d1 B3 e Nm
KR  16 18 KRE  16 20 16 6 11 0.15 28 16 M6×1 8 4 0.6 12 2.81 2.58 14000 9 7 0.5 3
KRV 16 20 KRVE 16 22 16 6 11 0.15 28 16 M6×1 8 4 0.6 12 7.02 8.69 3800 9 7 0.5 3
KR  19 28 KRE  19 31 19 8 11 0.15 32 20 M8×1.25 10 4 0.6 14 3.26 3.33 11000 11 9 0.5 8
KRV 19 32 KRVE 19 35 19 8 11 0.15 32 20 M8×1.25 10 4 0.6 14 7.94 10.75 3100 11 9 0.5 8
KR  22  44 KRE  22  48 22 10 12 0.3 36 23 M10×1 12 4 0.6 17 4.33 5.12 8000 13 10 0.5 15
KRV 22 45 KRVE 22 49 22 10 12 0.3 36 23 M10×1 12 4 0.6 17 8.94 13.3 2600 13 10 0.5 15
KR  26 58 KRE  26 62 26 10 12 0.3 36 23 M10×1 12 4 0.6 17 4.33 5.12 8000 13 10 0.5 15
KRV 26 61 KRVE 26 65 26 10 12 0.3 36 23 M10×1 12 4 0.6 17 8.94 13.3 2600 13 10 0.5 15
KR  30 87 KRE  30 93 30 12 14 0.6 40 25 6 M12×1.5 13 6 3 0.6 23 6.97 7.06 5500 15 11 0.5 22
KRV 30 89 KRVE 30 95 30 12 14 0.6 40 25 6 M12×1.5 13 6 3 0.6 23 12.6 15.3 2100 15 11 0.5 22
KR  32 98 KRE  32 104 32 12 14 0.6 40 25 6 M12×1.5 13 6 3 0.6 23 6.97 7.06 5500 15 11 0.5 22
KRV 32 100 KRVE 32 106 32 12 14 0.6 40 25 6 M12×1.5 13 6 3 0.6 23 12.6 15.3 2100 15 11 0.5 22
KR  35 169 KRE  35 182 35 16 18 0.6 52 32.5 8 M16×1.5 17 6 3 0.8 27 10.3 14.8 3600 20 14 1 58
KRV 35 171 KRVE 35 184 35 16 18 0.6 52 32.5 8 M16×1.5 17 6 3 0.8 27 19.7 34.8 1600 20 14 1 58
KR  40 247 KRE  40 263 40 18 20 1 58 36.5 8 M18×1.5 19 6 3 0.8 32 18.2 22 2900 22 16 1 87
KRV 40 249 KRVE 40 265 40 18 20 1 58 36.5 8 M18×1.5 19 6 3 0.8 32 31.5 45.3 1400 22 16 1 87
KR  47 386 KRE  47 406 47 20 24 1 66 40.5 9 M20×1.5 21 8 4 0.8 37 22.2 29.9 2400 24 18 1 120
KRV 47 409 KRVE 47 423 47 20 24 1 66 40.5 9 M20×1.5 21 8 4 0.8 37 37.3 59.2 1400 24 18 1 120
KR  52 461 KRE  52 481 52 20 24 1 66 40.5 9 M20×1.5 21 8 4 0.8 37 22.2 29.9 2400 24 18 1 120
KRV 52 484 KRVE 52 504 52 20 24 1 66 40.5 9 M20×1.5 21 8 4 0.8 37 37.3 59.2 1300 24 18 1 120
KR  62 790 KRE  62 818 62 24 29 1 80 49.5 11 M24×1.5 25 8 4 0.8 44 32.8 47.3 1900 28 22 1 220
KRV 62 802 KRVE 62 830 62 24 29 1 80 49.5 11 M24×1.5 25 8 4 0.8 44 53.8 91 1100 28 22 1 220
KR  72 1040 KRE  72 72 24 29 1.1 80 49.5 11 M24×1.5 25 8 4 0.8 44 32.8 47.3 1900 28 22 1 220
KRV 72 1045 KRVE 72 72 24 29 1.1 80 49.5 11 M24×1.5 25 8 4 0.8 44 53.8 91 1100 28 22 1 220
KR  80 1550 KRE  80 80 30 35 1.1 100 63 15 M30×1.5 32 8 4 1 53 48.2 83.9 1300 35 29 1.5 450
KRV 80 1561 KRVE 80 80 30 35 1.1 100 63 15 M30×1.5 32 8 4 1 53 74.9 150.3 850 35 29 1.5 450
KR  85 KRE  85 85 30 35 1.1 100 63 15 M30×1.5 32 8 4 1 53 48.2 83.9 1300 35 29 1.5 450
KRV 85 KRVE 85 85 30 35 1.1 100 63 15 M30×1.5 32 8 4 1 53 74.9 150.3 850 35 29 1.5 450
KR  90 1950 KRE  90 90 30 35 1.1 100 63 15 M30×1.5 32 8 4 1 53 48.2 83.9 1300 35 29 1.5 450
KRV 90 1970 KREV 90 90 30 35 1.1 100 63 15 M30×1.5 32 8 4 1 53 74.9 150.3 850 35 29 1.5 450

NUKR… and NUKRE… series

Bearing No. Weight
(g)
Bearing No. Weight
(g)
Dimensions(mm)   Basic Load Rating(KN) Limiting Speed Eccentric Collar Tightening Torque with Nut
D d C r B B1 B2 G G1 M1 C1 d2 A/F Cr Cor Fr perm For perm (RPM) d1 B3 e Nm
NUKR 35 164 35 16 18 0.6 52 32.5 7.8 M16×1.5 17 3 0.8 20 8 22.7 26.2 8.6 16.8 6500 20 12 1 58
NUKRE 35 177 35 16 18 0.6 52 29.5 7.8 M16×1.5 17 3 3.8 27 8 22.7 26.2 8.6 16.8 6500 20 12 1 58
NUKR 40  242 40 18 20 1 58 36.5 8 M18×1.5 19 3 0.8 22 8 27.7 32.4 13.1 22.6 5500 22 14 1 87
NUKRE 40 258 40 18 20 1 58 33.5 8 M18×1.5 19 3 3.8 30 8 27.7 32.4 13.1 22.6 5500 22 14 1 87
NUKR 47 380 NUKRE 47 400 47 20 24 1 66 40.5 9 M20×1.5 21 4 0.8 27 10 39.7 44 16.4 33 4200 24 18 1 120
NUKR 52 450 NUKRE 52 470 52 20 24 1 66 40.5 9 M20×1.5 21 4 0.8 31 10 44.7 55.2 17.3 34.5 3400 24 18 1 120
NUKR 62 795 NUKRE 62 824 62 24 28 1 80 49.5 11 M24×1.5 25 4 1.3 38 14 63.7 89.7 23.5 46.5 2600 28 22 1 220
NUKR 72 1571 NUKRE 72 1050 72 24 28 1.1 80 49.5 11 M24×1.5 25 4 1.3 44 14 74.1 104.6 32 60 2100 28 22 1 220
NUKR 80 1600 NUKRE 80 1670 80 30 35 1.1 100 63 15 M30×1.5 32 4 1 47 14 107 141.4 47.5 96 1800 35 29 1.5 450
NUKR 85 1790 NUKRE 85 1860 85 30 35 1.1 100 63 15 M30×1.5 32 4 1 47 14 107 141.4 1800 35 29 1.5 450
NUKR 90 1960 NUKRE 90 2571 90 30 35 1.1 100 63 15 M30×1.5 32 4 1 47 14 107 141.4 77 117 1800 35 29 1.5 450

NAST…ZZ series

Bearing No. Weight
(g)
Dimensions(mm) Basic Load Rating(KN) Limiting Speed
D B C d1 a e r Cr Cor (RPM)
NAST  6ZZ  24.5 6 19 14 13.8 14 2.5 0.8 0.5 4.1 4.5 17000
NAST  8ZZ  39 8 24 14 13.8 17.5 2.5 0.8 1 5.7 5.9 14000
NAST 10ZZ  65 10 30 16 15.8 23.5 2.5 0.8 1.5 9.48 9.32 12000
NAST 12ZZ  75 12 32 16 15.8 25.5 2.5 0.8 1.5 10 10.4 11000
NAST 15ZZ  83 15 35 16 15.8 29 2.5 0.8 1.5 11.7 13.4 8500
NAST 17ZZ  136 17 40 20 19.8 32.5 3 1 1.5 19.2 23.5 7500
NAST 20ZZ  195 20 47 20 19.8 38 3 1 1.5 20.8 27 7000
NAST 25ZZ  226 25 52 20 19.8 43 3 1 1.5 23 32.5 5500
NAST 30ZZ  402 30 62 25 24.8 50.5 4 1.2 1.5 35.3 55.3 4500
NAST 35ZZ  550 35 72 25 24.8 53.5 4 1.2 1.5 36 58.3 4000
NAST 40ZZ  710 40 80 26 25.8 61.5 4 1.2 2 37.3 64.3 3500
NAST 45ZZ  760 45 85 26 25.8 66.5 4 1.2 2 37.3 66.3 3000
NAST 50ZZ  830 50 90 26 25.8 76 4 1.2 2 38.9 71.6 3000

PWTR…2RS series

Bearing No. Weight
(g)
Dimensions(mm) Basic Load Rating(KN) Limiting Speed
D B C d1 r r1 Cr Cor Fr perm For perm (RPM)
PWTR 15.2RS 99 15 35 19 18 20 0.6 0.3 17.2 18.3 9.4 11.3 6000
PWTR 1542.2RS 158 15 42 19 18 20 0.6 0.3 17.2 18.3 14.1 14.1 6000
PWTR 17.2RS 147 17 40 21 21 22 1 0.5 19.4 20.8 13.8 13.8 5000
PWTR 1747.2RS 220 17 47 21 21 22 1 0.5 19.4 20.8 16.4 16.4 5000
PWTR 20.2RS 245 20 47 25 24 27 1 0.5 30.6 33.6 18.3 25.5 3800
PWTR 2052.2RS 321 20 52 25 24 27 1 0.5 30.6 33.6 29.5 29.5 3800
PWTR 25.2RS 281 25 52 25 24 31 1 0.5 34.4 40.8 19.3 28 3800
PWTR 2562.2RS 450 25 62 25 24 31 1 0.5 34.4 40.8 36 36 3800
PWTR 30.2RS 465 30 62 29 28 38 1 0.5 52.4 69.8 25.5 39.5 2200
PWTR 3072.2RS 697 30 72 29 28 38 1 0.5 52.4 69.8 49 49 2200
PWTR 35.2RS 630 35 72 29 28 44 1.1 0.6 61.8 81.4 34.5 46.5 1800
PWTR 3580.2RS 838 35 80 29 28 44 1.1 0.6 61.8 81.4 55 55 1800
PWTR 40.2RS 816 40 80 32 30 51 1.1 0.6 76 104.9 35 53 1500
PWTR 4090.2RS 1129 40 90 32 30 51 1.1 0.6 76 104.9 66 66 1500
PWTR 45.2RS 883 45 85 32 30 55 1.1 0.6 80.3 115.5 36 55 1300
PWTR 45100.2RS 1396 45 100 32 30 55 1.1 0.6 80.3 115.5 74 74 1300
PWTR 50.2RS 950 50 90 32 30 60 1.1 0.6 81.7 129 37 57 1100
PWTR 50110.2RS 1690 50 110 32 30 60 1.1 0.6 81.7 129 82 82 1100

KR52…NUUP series

Bearing No. Weight
(g)
Dimensions(mm) Basic Load Rating(KN) Limiting Speed
D d B B1 B2 C C1 d1 r G G1 A/F Cr Cor (RPM)
KR 5201 NUUP 120 35 12 49.2 17 32.5 15.9 0.8 17.1 0.6 M12×1.5 17 6 8.6 5.1 6000
KR 5202 NUUP 190 40 16 53.2 17 36.5 15.9 0.8 20 0.6 M16×1.5 19 8 9.8 6.2 6000
KR 5203 NUUP 290 47 18 58.8 18.5 40.5 17.5 0.8 22.9 0.6 M18×1.5 21 8 12.6 8.2 3800
KR 5204 NUUP 380 52 20 63.6 22.5 41.5 20.6 1.5 26.8 1 M20×1.5 21 10 15.8 10.5 3800
KR 5205 NUUP 580 62 24 70.9 21.5 49.5 20.6 0.8 30.3 1 M24×1.5 25 10 18.5 13 2200
KR 5206 NUUP 800 72 24 74.1 25 49.5 23.8 0.8 37.3 1 M24×1.5 25 10 24.6 17.7 2200
KR 5207 NUUP 1200 80 30 91 28 63 27 1 42.4 1.1 M30×1.5 32 12 30.5 22.4 1800

PWKR…2RS series

Bearing No. Weight
(g)
Bearing No. Weight
(g)
Dimensions(mm)   Basic Load Rating(KN) Limiting Speed Eccentric Collar Tightening Torque with Nut
D d C r B B1 B2 G G1 M1 C1 d2 A/F Cr Cor Fr pem For pem (RPM) d1 B3 e Nm
PWKR35.2RS 164 35 16 18 0.6 52 32.5 7.8 M16×1.5 17 3 0.8 20 8 17.2 18.3 9.4 11.3 6000 20 12 1 58
PWKRE35.2RS 177 35 16 18 0.6 52 32.5 M16×1.5 17 0.8 20 8 17.2 18.3 9.4 11.3 6000 20 12 1 58
PWKR40.2RS 242 40 18 20 1 58 36.5 8 M18×1.5 19 3 0.8 22 8 19.4 20.8 13.8 13.8 5000 22 14 1 87
PWKRE40.2RS 258 40 18 20 1 58 36.5 M18×1.5 19 0.8 22 8 19.4 20.8 13.8 13.8 5000 22 14 1 87
PWKR47.2RS 380 PWKRE47.2RS 400 47 20 24 1 66 40.5 9 M20×1.5 21 4 0.8 27 10 30.6 33.6 19.3 25.5 3800 24 18 1 120
PWKR52.2RS 450 PWKRE52.2RS 470 52 20 24 1 66 40.5 9 M20×1.5 21 4 0.8 31 10 34.4 40.8 19.3 28 3800 24 18 1 120
PWKR62.2RS 795 PWKRE62.2RS 824 62 24 28 1 80 49.5 11 M24×1.5 25 4 1.3 38 14 52.4 69.8 25.5 39.5 2200 28 22 1 220
PWKR72.2RS 1571 PWKRE72.2RS 1050 72 24 28 1.1 80 49.5 11 M24×1.5 25 4 1.3 44 14 61.8 81.4 46.5 46.5 2200 28 22 1 220
PWKR80.2RS 1600 PWKRE80.2RS 1670 80 30 35 1.1 100 63 15 M30×1.5 32 4 1 47 14 93.9 118.9 53 70 1800 35 29 1.5 450
PWKR85.2RS 1780 PWKRE85.2RS 1850 85 30 35 1.1 100 63 15 M30×1.5 32 4 1 47 14 93.9 118.9 53 70 1800 35 29 1.5 450
PWKR90.2RS 1960 PWKRE90.2RS 2571 90 30 35 1.1 100 63 15 M30×1.5 32 4 1 47 14 93.9 118.9 82 82 1800 35 29 1.5

 

Our Main Products

Our Company

HangZhou Flow Group Ltd is a professional manufacturer of bearings, collecting together production and processing, domestic and foreign trade. The factory specializes in the production and export of many kinds of bearings: deep groove ball bearing, spherical roller bearing, tapered roller bearing, and so on. The customized bearings is also acceptable and the production will be according to your requirements and samples.

All bearings in our factory adopt international quality standards. The complete equipment, strict quality control, advanced Japanese technology and quality service provide a guarantee to supply the high-quality bearings for our customers. Domestic sales and service network has covered 15 major cities in China, meanwhile our bearing has sold more than 60 overseas countries and regions.

Our bearings have been widely used in agriculture, textiles, mining, printing and packaging industries, in addition to applications in airports, air conditioning systems, conveyors and ship also applied.

If you are interested in any of our bearings or have an intention to order, please feel free to contact us.

FAQ

SAMPLES
1.Samples quantity: 1-10 pcs are available.
2.Free samples: It depends on the model NO., material and quantity. Some of the bearings samples need client to pay   samples charge and shipping cost.
3.It’s better to start your order with Trade Assurance to get full protection for your samples order.

CUSTOMIZED
The customized LOGO or drawing is acceptable for us.

MOQ
1.MOQ: 10 pcs mix different standard bearings.
2.MOQ:  5000 pcs customized your brand bearings.

OEM POLICY
1.We can printing your brand (logo,artwork)on the shield or laser engraving your brand on the shield.
2.We can custom your packaging according to your design
3.All copyright own by clients and we promised don’t disclose any info.

SUPORT
Please visit our Clunt bearings website, we strongly encourge that you can communicate with us through email,thanks!

We have all kinds of bearings, just tell me your item number and quantity,best price will be offered to you soon
The material of the bearings, precision rating, seals type,OEM service,etc, all of them we can make according to your requiremen

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Rolling Body: Roller Bearing
The Number of Rows: Double
Outer Dimension: Medium and Large(120-190mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Thrust Bearing
Samples:
US$ 50/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

cam folllow bearing

How do cam follower bearings contribute to the proper functioning of reciprocating machinery like engines?

Cam follower bearings play a crucial role in ensuring the proper functioning of reciprocating machinery, such as engines. Let’s explore how cam follower bearings contribute to the smooth operation of reciprocating machinery:

  • Transmitting Motion: Cam follower bearings are designed to follow the profile of a cam, which is a specially shaped component that converts rotary motion into reciprocating or oscillating motion. By maintaining contact with the cam’s surface, the cam follower bearing transfers the motion from the rotating cam to other components in the machinery, such as valves, pistons, or fuel injectors. This motion transmission is essential for proper engine operation, controlling valve timing, fuel injection, and other critical processes.
  • Supporting Load: Reciprocating machinery, including engines, generates significant forces and loads during operation. Cam follower bearings provide support and bear the loads exerted by the moving components, such as valves or pistons. They ensure the smooth and precise movement of these components, while also carrying the associated dynamic and static loads. Proper load support is crucial for maintaining the stability, accuracy, and longevity of reciprocating machinery.
  • Reducing Friction and Wear: Cam follower bearings incorporate rolling elements, such as rollers or needles, that reduce friction between the cam and the bearing. This rolling action minimizes the sliding contact and frictional heat generation, resulting in reduced wear on the bearing surfaces. By reducing friction and wear, cam follower bearings contribute to the efficient operation of reciprocating machinery, promoting energy efficiency and extending the bearing’s service life.
  • Absorbing Shock and Vibration: Reciprocating machinery, especially engines, generates significant shock and vibration due to the rapid acceleration and deceleration of components. Cam follower bearings are designed to absorb and dampen these shocks and vibrations, preventing their transmission to other parts of the machinery. This helps to reduce noise, minimize structural fatigue, and improve overall system stability, ensuring smooth and reliable operation.
  • Accommodating Misalignment: In reciprocating machinery, slight misalignments can occur due to manufacturing tolerances, thermal expansion, or dynamic loads. Cam follower bearings are designed to accommodate limited misalignments between the cam and the bearing, allowing for proper functioning even under these conditions. This flexibility helps to maintain the alignment and engagement between the cam and the bearing, ensuring efficient motion transmission and preventing excessive stress or premature failure.
  • Facilitating Lubrication: Proper lubrication is essential for the smooth operation and longevity of cam follower bearings and reciprocating machinery. Cam follower bearings are designed to retain lubricants, such as grease or oil, within the bearing assembly. They incorporate features like lubrication holes, grooves, or channels to facilitate the distribution of lubricant to the bearing surfaces. Effective lubrication minimizes friction, reduces wear, and helps dissipate heat, ensuring optimal performance and preventing damage to the bearing and associated components.

Overall, cam follower bearings play a vital role in the proper functioning of reciprocating machinery, such as engines. They transmit motion, support loads, reduce friction and wear, absorb shocks and vibrations, accommodate misalignments, and facilitate lubrication. By fulfilling these functions, cam follower bearings contribute to the efficient, reliable, and smooth operation of reciprocating machinery, enabling the performance and longevity of engines and other similar applications.

cam folllow bearing

How do cam follower bearings contribute to the efficient operation of printing and packaging machinery?

Cam follower bearings play a crucial role in ensuring the efficient operation of printing and packaging machinery. Let’s explore how these bearings contribute to the smooth functioning of such equipment:

1. Precise Motion Control: Printing and packaging machinery often require precise and synchronized motion control to perform tasks such as feeding, cutting, folding, or labeling. Cam follower bearings facilitate this precise motion control by:

  • Transmitting the rotational motion from the driving source to various moving parts of the machinery.
  • Maintaining accurate positioning and timing during the operation.
  • Enabling controlled linear or oscillating motion required for specific tasks.

2. High Load-Carrying Capacity: Printing and packaging machinery may involve handling substantial loads, such as heavy rolls of paper or packaging materials. Cam follower bearings offer excellent load-carrying capacity, allowing them to:

  • Support and bear the weight of moving components, ensuring smooth and stable operation.
  • Handle both radial and axial loads, accommodating the forces exerted during various stages of the machinery’s operation.

3. Durability and Reliability: The demanding nature of printing and packaging processes requires robust and reliable components. Cam follower bearings contribute to the efficient operation by:

  • Being designed to withstand heavy loads, shocks, and vibrations commonly encountered in printing and packaging machinery.
  • Providing long service life and high resistance to wear, ensuring minimal downtime for maintenance or replacement.
  • Operating smoothly and consistently, even under high-speed conditions, to maintain the productivity and efficiency of the machinery.

4. Alignment and Compensation: Printing and packaging machinery often involves complex motion profiles or irregular surfaces. Cam follower bearings assist in the efficient operation of such machinery by:

  • Accommodating misalignments caused by variations in the cam profiles or tracks.
  • Compensating for minor deviations or irregularities in the surfaces they ride on, ensuring smooth and uninterrupted motion.
  • Tracking and following the contours of the components or materials being processed, allowing for precise and reliable operation.

5. Reduced Friction and Energy Efficiency: Efficient operation of printing and packaging machinery often involves minimizing energy consumption and reducing friction. Cam follower bearings contribute to energy efficiency by:

  • Incorporating designs that reduce friction and power losses during motion.
  • Utilizing advanced lubrication systems and materials to minimize friction and wear.
  • Enabling smooth and low-friction movement, resulting in reduced energy requirements and improved overall efficiency.

In summary, cam follower bearings are essential components in printing and packaging machinery, contributing to efficient operation through precise motion control, high load-carrying capacity, durability, alignment compensation, and reduced friction. These bearings enable reliable and productive performance, ensuring the smooth functioning of printing and packaging processes in various industrial settings.

cam folllow bearing

Can you explain the design principles of cam follower bearings and their functions?

Cam follower bearings are designed based on specific principles to ensure their efficient operation and fulfill their intended functions. Understanding these design principles is essential for comprehending how cam follower bearings work and how they serve their purposes. Here, we will explain the design principles of cam follower bearings and delve into their functions:

  • Design Principles of Cam Follower Bearings:
  • The design of cam follower bearings incorporates several key principles:

    • Cam Following: Cam follower bearings are designed to follow the contour or profile of a cam accurately. This design principle enables the bearing to maintain contact with the cam’s surface throughout its motion, ensuring smooth and precise tracking. The outer diameter of the bearing, which houses the rolling elements, is designed to match the shape of the cam.
    • Rolling Element Bearings: Cam follower bearings utilize rolling elements, such as cylindrical rollers or needle rollers, to reduce friction and facilitate motion. These rolling elements are positioned between the cam’s surface and the bearing’s outer diameter. The use of rolling elements enables smooth rolling motion and reduces wear, allowing for efficient operation even at high speeds.
    • Stud or Shaft Mounting: Cam follower bearings are designed with a stud or shaft for mounting purposes. The stud is often threaded to facilitate easy installation and secure attachment to a structure or component. The stud or shaft provides the necessary support and stability for the bearing assembly, allowing it to roll along the cam’s surface.
    • Cage or Retainer: Cam follower bearings typically incorporate a cage or retainer to hold the rolling elements in place. The cage prevents the rolling elements from contacting each other, ensuring proper spacing and distribution of load. It also helps to maintain alignment and prevent the rolling elements from skewing under load, enhancing the bearing’s overall performance and longevity.
    • Sealing and Lubrication: Cam follower bearings may include sealing arrangements to protect the internal components from contaminants and retain lubrication. Seals or shields can be incorporated to prevent the ingress of dirt, moisture, or other foreign particles. Proper lubrication is crucial for reducing friction, dissipating heat, and preventing premature wear or damage to the bearing components.
  • Functions of Cam Follower Bearings:
  • The design principles of cam follower bearings enable them to perform several important functions:

    • Cam Tracking: The primary function of cam follower bearings is to accurately follow the profile of a cam. By maintaining contact with the cam’s surface, the bearing converts the rotational motion of the cam into linear or oscillating motion. This function is essential in various applications where motion needs to be translated, transformed, or guided.
    • Motion Conversion: Cam follower bearings play a crucial role in converting rotary motion into linear or oscillating motion. This function is particularly useful in mechanisms that require precise and controlled movement, such as in cam-driven systems, sliding mechanisms, or lifting devices.
    • Load Support: Cam follower bearings are designed to support high loads. They provide a stable and robust platform for carrying radial and axial loads, ensuring the smooth operation of the associated components. This function is critical in applications that involve heavy loads, such as material handling equipment, automotive systems, or machinery.
    • Motion Control: Cam follower bearings contribute to motion control by providing stability and guidance. They help regulate the speed, direction, and timing of the motion, ensuring consistent and coordinated movement. This function is essential in applications that require precise positioning, synchronization, or sequencing of components.
    • Durability and Reliability: Cam follower bearings are designed to withstand challenging operating conditions. Their robust construction, along with the use of high-quality materials, ensures durability and reliability even in demanding environments. This function is vital for applications where reliability, longevity, and minimal downtime are paramount.

In summary, the design principles of cam follower bearings revolve around accurate cam following, the use of rolling element bearings, stud or shaft mounting, cage or retainer incorporation, and sealing and lubrication arrangements. These design principles enable cam follower bearings to fulfill their functions, including cam tracking, motion conversion, load support, motion control, and providing durability and reliability in various mechanical applications.

China factory Stud Type Track Rollers Bearings Cam Follower Bearings CZPT Bearing   supplierChina factory Stud Type Track Rollers Bearings Cam Follower Bearings CZPT Bearing   supplier
editor by CX 2024-05-07