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Deep groove ball bearing (GB/T 276—2003) The original list of radial ball bearings is the most widely used type of rolling bearing. It is characterized by low frictional resistance and high rotational speed. It can be used on parts that bear radial load o··
Part Number |
d - Bore |
D - Outer Diameter |
B - Width |
Cr - Dynamic Radial Rating |
Cor - Static Radial Rating |
Reference speed |
Limiting speed |
|---|---|---|---|---|---|---|---|
| 6218N | 90 mm | 160 mm | 30 mm | - | - | 8500 rpm | 5300 rpm |
| 6219N | 95 mm | 170 mm | 32 mm | - | - | 8000 rpm | 5000 rpm |
| 6020N | 100 mm | 150 mm | 24 mm | - | - | 9500 rpm | 5600 rpm |
| 6220N | 100 mm | 180 mm | 34 mm | - | - | 7500 rpm | 4800 rpm |
| 6021N | 105 mm | 160 mm | 26 mm | - | - | 8500 rpm | 5300 rpm |
| 6022N | 110 mm | 170 mm | 28 mm | - | - | 8000 rpm | 5000 rpm |
| 6024N | 120 mm | 180 mm | 28 mm | - | - | 7500 rpm | 4800 rpm |
| W618/1 | 1 mm | 3 mm | 1 mm | - | - | 240000 rpm | 150000 rpm |
| W618/1.5 | 1.5 mm | 4 mm | 1.2 mm | - | - | 220000 rpm | 140000 rpm |
| W638/1.5-2Z | 1.5 mm | 4 mm | 2 mm | - | - | 220000 rpm | 110000 rpm |
| W618/2 | 2 mm | 5 mm | 1.5 mm | - | - | 200000 rpm | 120000 rpm |
| W638/2-2Z | 2 mm | 5 mm | 2.3 mm | - | - | 200000 rpm | 100000 rpm |
| W639/2-2Z | 2 mm | 6 mm | 3 mm | - | - | 180000 rpm | 90000 rpm |
| W638/2.5-2Z | 2.5 mm | 6 mm | 2.6 mm | - | - | 170000 rpm | 85000 rpm |
| W637/3-2Z | 3 mm | 6 mm | 3 mm | - | - | 170000 rpm | 85000 rpm |
| W618/3 | 3 mm | 7 mm | 2 mm | - | - | 160000 rpm | 100000 rpm |
| W638/3-2Z | 3 mm | 7 mm | 3 mm | - | - | 160000 rpm | 80000 rpm |
| W619/3-2Z | 3 mm | 8 mm | 3 mm | - | - | 150000 rpm | 75000 rpm |
| W639/3-2Z | 3 mm | 8 mm | 4 mm | - | - | 150000 rpm | 75000 rpm |
| W623-2RS1 | 3 mm | 10 mm | 4 mm | - | - | - | 40000 rpm |
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