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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 |
|---|---|---|---|---|---|---|---|
| 311 | 55 mm | 120 mm | 29 mm | - | - | 10000 rpm | 6300 rpm |
| 311-Z | 55 mm | 120 mm | 29 mm | - | - | 10000 rpm | 6300 rpm |
| 311-2Z | 55 mm | 120 mm | 29 mm | - | - | 10000 rpm | 5000 rpm |
| 212 | 60 mm | 110 mm | 22 mm | - | - | 11000 rpm | 6700 rpm |
| 212-Z | 60 mm | 110 mm | 22 mm | - | - | 11000 rpm | 6700 rpm |
| 212-2Z | 60 mm | 110 mm | 22 mm | - | - | 11000 rpm | 5400 rpm |
| 312 | 60 mm | 130 mm | 31 mm | - | - | 9500 rpm | 6000 rpm |
| 312-Z | 60 mm | 130 mm | 31 mm | - | - | 9500 rpm | 6000 rpm |
| 312-2Z | 60 mm | 130 mm | 31 mm | - | - | 9500 rpm | 4800 rpm |
| 213 | 65 mm | 120 mm | 23 mm | - | - | 10000 rpm | 6000 rpm |
| 213-Z | 65 mm | 120 mm | 23 mm | - | - | 10000 rpm | 6000 rpm |
| 213-2Z | 65 mm | 120 mm | 23 mm | - | - | 10000 rpm | 4800 rpm |
| 313 | 65 mm | 140 mm | 33 mm | - | - | 9000 rpm | 5300 rpm |
| 313-Z | 65 mm | 140 mm | 33 mm | - | - | 9000 rpm | 5300 rpm |
| 313-2Z | 65 mm | 140 mm | 33 mm | - | - | 9000 rpm | 4300 rpm |
| 214 | 70 mm | 125 mm | 24 mm | - | - | 9500 rpm | 5600 rpm |
| 214-Z | 70 mm | 125 mm | 24 mm | - | - | 9500 rpm | 5600 rpm |
| 214-2Z | 70 mm | 125 mm | 24 mm | - | - | 9500 rpm | 4500 rpm |
| 314 | 70 mm | 150 mm | 35 mm | - | - | 8000 rpm | 5000 rpm |
| 314-Z | 70 mm | 150 mm | 35 mm | - | - | 8000 rpm | 5000 rpm |
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