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Deep groove ball bearings

Part Number |
d - Bore |
D - Outer Diameter |
B - Width |
Cr - Dynamic Radial Rating |
Cor - Static Radial Rating |
Reference speed |
Limiting speed |
|---|---|---|---|---|---|---|---|
| 638-2RZ | 8 mm | 28 mm | 9 mm | 1.33 N | 0.57 N | 60000 rpm | 30000 rpm |
| 638/8-2Z | 8 mm | 16 mm | 6 mm | 1.33 N | 0.57 N | 90000 rpm | 45000 rpm |
| 638/5-2Z | 5 mm | 11 mm | 5 mm | 0.64 N | 0.26 N | 120000 rpm | 60000 rpm |
| 638/4-2Z | 4 mm | 9 mm | 4 mm | 0.54 N | 0.18 N | 140000 rpm | 70000 rpm |
| 635-Z | 5 mm | 19 mm | 6 mm | 2.34 N | 0.95 N | 80000 rpm | 50000 rpm |
| 635-RZ | 5 mm | 19 mm | 6 mm | 2.34 N | 0.95 N | 80000 rpm | 50000 rpm |
| 635-RS1 | 5 mm | 19 mm | 6 mm | 2.34 N | 0.95 N | - | 24000 rpm |
| 6356 M | 280 mm | 580 mm | 108 mm | 572 N | 850 N | 2200 rpm | 2000 rpm |
| 635-2Z | 5 mm | 19 mm | 6 mm | 2.34 N | 0.95 N | 80000 rpm | 40000 rpm |
| 635-2RZ | 5 mm | 19 mm | 6 mm | 2.34 N | 0.95 N | 80000 rpm | 40000 rpm |
| 635-2RS1 | 5 mm | 19 mm | 6 mm | 2.34 N | 0.95 N | - | 24000 rpm |
| 6352 M | 260 mm | 540 mm | 102 mm | 507 N | 710 N | 2400 rpm | 2200 rpm |
| 634-Z | 4 mm | 16 mm | 5 mm | 1.11 N | 0.38 N | 95000 rpm | 60000 rpm |
| 634-RZ | 4 mm | 16 mm | 5 mm | 1.11 N | 0.38 N | 95000 rpm | 60000 rpm |
| 634-RS1 | 4 mm | 16 mm | 5 mm | 1.11 N | 0.38 N | - | 28000 rpm |
| 6348 M | 240 mm | 500 mm | 95 mm | 442 N | 585 N | 2600 rpm | 2400 rpm |
| 6344 M | 220 mm | 460 mm | 88 mm | 410 N | 520 N | 3000 rpm | 2600 rpm |
| 634-2Z | 4 mm | 16 mm | 5 mm | 1.11 N | 0.38 N | 95000 rpm | 48000 rpm |
| 634-2RZ | 4 mm | 16 mm | 5 mm | 1.11 N | 0.38 N | 95000 rpm | 48000 rpm |
| 634-2RS1 | 4 mm | 16 mm | 5 mm | 1.11 N | 0.38 N | - | 28000 rpm |