
Core Performance Advantages:
High rotational accuracy and smooth operation
Extremely high limiting speed
High rigidity (axial and radial)
Good combined load capacity
Low friction and low temperature rise (relative to its performance)
Application Scenarios:
Machine Tool Spindles: Electric and mechanical spindles for machining centers, lathes, milling machines, and grinding machines (the most core application area).
High-Speed Applications: Turbochargers, centrifugal compressors, high-speed pumps.
Precision Equipment: Industrial robot reducers, precision rotary tables, semiconductor manufacturing equipment, medical equipment spindles.
Gearboxes: Axial positioning bearings for high-speed gearboxes.
| Inquiry | Bearing Number | Dimensions | |||
|---|---|---|---|---|---|
| d (mm) | D (mm) | B (mm) | |||
| 71921C | 105 | 145 | 20 | ||
| 7021C | 105 | 160 | 26 | ||
| 7221C | 105 | 190 | 36 | ||
| 71822C | 110 | 140 | 16 | ||
| 71922C | 110 | 150 | 20 | ||
| 7022C | 110 | 170 | 28 | ||
| 7222C | 110 | 200 | 38 | ||
| 71824C | 120 | 150 | 16 | ||
| 71924C | 120 | 165 | 22 | ||
| 7024C | 120 | 180 | 28 | ||
| 7224C | 120 | 215 | 40 | ||
| 71826C | 130 | 165 | 18 | ||
| 71926C | 130 | 180 | 24 | ||
| 7026C | 130 | 200 | 33 | ||
| 7226C | 130 | 230 | 40 | ||
| 71828C | 140 | 175 | 18 | ||
| 71928C | 140 | 190 | 24 | ||
| 7028C | 140 | 210 | 33 | ||
| 7228C | 140 | 250 | 42 | ||
| 71830C | 150 | 190 | 20 | ||
| 71930C | 150 | 210 | 28 | ||
| 7030C | 150 | 225 | 35 | ||
| 7230C | 150 | 270 | 45 | ||
| 71832C | 160 | 200 | 20 | ||
| 71932C | 160 | 220 | 28 | ||
| 7032C | 160 | 240 | 38 | ||
| 7232C | 160 | 290 | 48 | ||
| 71834C | 170 | 215 | 22 | ||
| 71934C | 170 | 230 | 28 | ||
| 7034C | 170 | 260 | 42 | ||
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