China Good quality Stud Type Track Rollers Bearings Cam Follower Bearings CZPT Bearing bearing block

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

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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)

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Request Sample

Customization:
Available

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Customized Request

track bearing

How does proper installation and alignment impact the performance and longevity of track bearings?

Proper installation and alignment play a critical role in the performance and longevity of track bearings. Correct installation ensures that the bearings are positioned and secured accurately, while proper alignment ensures that the load is distributed evenly and the bearings operate smoothly. Here’s an explanation of how proper installation and alignment impact the performance and longevity of track bearings:

Installation Impact:

  • Load Distribution: Proper installation ensures that the track bearings are aligned and positioned correctly, allowing for even load distribution. When bearings are installed incorrectly, the load may be unevenly distributed, leading to excessive wear on certain parts of the bearings and reduced overall performance.
  • Stability and Rigidity: Accurate installation provides stability and rigidity to the track bearings. Properly secured bearings minimize the risk of movement or vibration during operation, which can cause additional stress, premature wear, and potential damage to the bearings and surrounding components.
  • Reduction of Misalignment: Correct installation minimizes the chances of misalignment between the track bearings and the track or guide rails. Misalignment can lead to uneven loading, increased friction, and accelerated wear and tear on the bearings. Proper alignment reduces these issues, ensuring smooth and efficient operation.
  • Prevention of Contamination: During installation, it is important to take precautions to prevent contamination of the track bearings. Proper handling techniques, cleanliness, and the use of appropriate tools or protective measures help avoid introducing dirt, dust, or debris that can compromise the bearing’s performance and longevity.

Alignment Impact:

  • Reduced Friction and Wear: Proper alignment of track bearings helps minimize friction and wear. When bearings are misaligned, excessive forces and irregular motion can occur, leading to increased friction and accelerated wear. Proper alignment ensures that the bearings operate within their intended design parameters, reducing friction and promoting longevity.
  • Optimal Load Distribution: Correct alignment ensures that the load is distributed evenly across the track bearings. This prevents excessive stress on specific areas of the bearings, reducing the risk of premature failure and extending their service life. Optimal load distribution also contributes to smoother operation and improved overall performance.
  • Minimized Noise and Vibration: Proper alignment helps minimize noise and vibration during operation. Misaligned track bearings can result in irregular motion, leading to unwanted noise and vibration that can affect the performance, comfort, and efficiency of the machinery or equipment. Proper alignment promotes smoother and quieter operation.
  • Improved Efficiency: When track bearings are correctly aligned, the machinery or equipment experiences reduced resistance and improved efficiency. Misalignment can result in energy losses, increased power consumption, and decreased overall efficiency. Proper alignment ensures optimal power transfer and minimizes energy wastage.

It is important to follow the manufacturer’s guidelines and recommendations for the specific track bearings being installed. Proper installation techniques, including accurate positioning, secure fastening, and appropriate alignment, contribute to the optimal performance, reliability, and longevity of track bearings in various applications.

track bearing

Can track bearings be used in both light-duty and heavy-duty machinery applications?

Yes, track bearings can be used in both light-duty and heavy-duty machinery applications. They are versatile components that offer reliable support for linear motion in a wide range of industrial settings. Here’s a detailed explanation:

1. Light-Duty Machinery Applications:

In light-duty machinery applications, track bearings provide cost-effective and efficient solutions for various tasks. Light-duty track bearings are designed to handle lower loads and are commonly used in applications such as:

  • Office automation equipment
  • Consumer electronics
  • Printing machinery
  • Small conveyors and material handling systems
  • Automated vending machines
  • Textile machinery

These applications typically involve lighter loads and lower operating speeds, making light-duty track bearings suitable for providing smooth and reliable linear motion.

2. Heavy-Duty Machinery Applications:

Track bearings are also widely used in heavy-duty machinery applications that require robust components capable of handling substantial loads and challenging operating conditions. Heavy-duty track bearings are designed to withstand higher loads and offer increased durability. They are commonly employed in applications such as:

  • Material handling equipment
  • Construction machinery
  • Mining equipment
  • Transportation systems
  • Industrial automation
  • Large-scale conveyors
  • Steel mills

These applications often involve heavy loads, high operating speeds, and demanding environments. Track bearings in heavy-duty machinery applications are engineered to provide reliable performance, extended service life, and resistance to factors such as contamination, shock, and vibration.

Track bearings are available in various sizes, designs, and load capacities, allowing them to be tailored to the specific requirements of both light-duty and heavy-duty machinery applications. Manufacturers offer a range of options to accommodate different load capacities, operating conditions, and performance specifications.

It is important to consider the specific requirements and operating conditions of the machinery application when selecting track bearings. Consulting with bearing manufacturers or industry experts can help ensure the appropriate track bearings are chosen for optimal performance and reliability in both light-duty and heavy-duty machinery applications.

track bearing

How do track bearings contribute to smooth and precise motion in machinery and equipment?

Track bearings play a crucial role in enabling smooth and precise motion in machinery and equipment. They provide support and guidance for moving components, allowing them to move along tracks or guide rails with minimal friction and accurate positioning. Let’s explore how track bearings contribute to smooth and precise motion:

  • Reduced Friction: Track bearings are designed to minimize friction between the rolling elements (such as balls or rollers) and the raceways (inner and outer rings). By reducing friction, track bearings help to minimize energy losses, prevent excessive heat generation, and extend the lifespan of the bearing and other components in the system. Low friction enables smoother and more efficient motion, resulting in improved overall performance.
  • Accuracy and Precision: Track bearings are manufactured to precise tolerances, ensuring consistent dimensions and smooth surfaces. This precision contributes to accurate and repeatable positioning of the moving components along the track or guide rail. It allows machinery and equipment to achieve the desired motion with minimal deviation or backlash, enabling precise control and operation.
  • Load Distribution: Track bearings are designed to distribute loads evenly across the rolling elements and raceways. This load distribution helps prevent localized stress concentrations and ensures that the applied loads are shared by multiple contact points. By distributing the loads effectively, track bearings enhance the stability and integrity of the moving components, reducing the risk of premature wear or failure.
  • Guidance and Alignment: Track bearings provide guidance and alignment for the moving components. They help maintain the desired orientation and position of the components along the track or guide rail, preventing misalignment and unwanted movements. This guidance ensures smooth and precise motion, minimizing vibrations, noise, and the risk of component damage or malfunction.
  • Shock and Impact Absorption: Track bearings are designed to absorb shocks and impacts that may occur during operation. They help cushion the effects of sudden loads or vibrations, protecting the moving components and reducing the transmission of these forces to the rest of the machinery or equipment. This shock absorption capability contributes to smoother and more stable motion, enhancing overall performance and reliability.

By incorporating high-quality track bearings into machinery and equipment, engineers can achieve smooth and precise motion, improving the efficiency, accuracy, and longevity of the system. Proper selection, installation, and maintenance of track bearings are essential to ensure optimal performance and to minimize the risk of issues such as excessive wear, misalignment, or loss of motion control.

China Good quality Stud Type Track Rollers Bearings Cam Follower Bearings CZPT Bearing   bearing blockChina Good quality Stud Type Track Rollers Bearings Cam Follower Bearings CZPT Bearing   bearing block
editor by CX 2024-05-09

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