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Yoke Type Track Roller Bearings

BWK yoke type track roller bearings feature a thick outer ring and needle roller construction for high radial loads and reliable track-running performance.
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  • STO8, NATV8, STO10, STO12X, NATV12, NUTR1542, NUTR17, NUTR20, NA2205-2RS, NUTR25, STO25, NATR25X52X20, NUTR3580, RNA2208-2RS, NUTR50

  • BWK

Product Details

Yoke Type Track Roller Bearings

Yoke type track roller bearings are designed to run directly on tracks and cam surfaces. Their thick-walled outer rings resist deformation under heavy radial loading.


Structure and Features

  • High radial load capacity

  • Thick outer ring for track contact

  • Available with or without inner ring

  • Open and sealed configurations available


Applications

Guide rails, cam mechanisms, conveying systems, machine tools and automated equipment.


Representative Models

STO, NATV, NUTR, NATR, NA22 and RNA22 series

Yoke_Type_Track_Roller_Bearing_Section

Technical Data

Shaft Dia. (mm) Current Designation Original Designation Fw/d (mm) D (mm) B (mm) C (mm) Dynamic Cr (N) Static Cor (N) Grease Speed (rpm) Oil Speed (rpm) Weight (kg)
5.563 STO5.56X24X9.525 — 5.563 24.003 9.525 9.22 7000 7400 20000 26000 0.02912
6 NATV6/YA — 6 19 12 11 6500 8400 15000 19000 0.02197
7.574 RST07V — 7.574 17.8 — 12.7 9600 12300 15000 19000 0.01950
7.574 FLJ-102 — 7.574 17.8 — 12.7 7000 7400 15000 19000 0.02622
7.658 RSTO 7.658X17X9.5V — 7.658 17 — 9.5 8300 9000 15000 19000 0.01256
8 STO8 NAB2/8 8 24 10 9.8 4000 5200 14000 18000 0.026
8 NATV8X24X10.5X — 8 24 10.5 10 6963 9527 14000 18000 0.03071
8.3 FLYB-02 — 8.3 17 — 10.5 9600 10900 14000 18000 0.01975
10 STO10 — 10 30 12 11.8 9100 8900 12000 16000 0.05134
12 RNA22/8-2RS RNA22/8LL 12 24 — 11.8 4400 4800 12000 15000 0.034
12 STO12X — 12 32 12 11.8 9600 9700 12000 15000 0.05485
12 NATV12 — 12 32 15 14 13410 16400 12000 15000 0.0708
15 NUTR1542 — 15 42 19 18 22900 27200 10000 14800 0.16167
16 RSTO12X — 16 32 — 11.8 9600 9700 23000 29000 0.04672
17 NUTR17 — 17 40 21 20 18500 22800 23000 29000 0.14970
20 NUTR20 — 20 47 25 24 28000 35000 20000 26000 0.24774
25 NA2205-2RS NA2205LL 25 52 18 17.8 15700 24900 3300 4300 0.209
25 NUTR205 — 25 52 25 24 40000 61400 3200 4200 0.281
25 NUTR25X — 25 52 25 24 43100 59700 3200 4200 0.2809
25 STO25 — 25 52 16 15.8 18500 27800 3400 4400 0.1825
25 NATR25X52X20 STO25ZZX 25 52 20 19.8 18500 27800 4500 5900 0.2367
32 NUTR328029 — 32 80 29 28 97500 115000 4000 5900 0.8175
35 NATV60X22Z — 35 60.5 22 — 42100 61200 4000 3500 0.2681
35 NUTR3580 SZ-468 35 80 29 28 59200 93200 2100 2700 0.836
40 NATV408026X — 40 80 26 25.8 62900 130000 1600 2100 0.708
48 RNA2208-2RS — 48 80 — 22.7 38000 56000 1600 2100 0.526
50 NUTR50 — 50 90 32 30 82900 156900 1200 1600 0.99190
60 NATV11032Z — 60 110.8 — 32 92900 129100 1200 1600 1.13610
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yoke type track roller bearings STO bearing NATV bearing NUTR bearing RNA22 bearing BWK track roller