7221CD/P4A SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,7200 Series,15 Degree Contact Angle
7221CD/P4A SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,7200 Series,15 Degree Contact Angle, 67.7 mm d2 Units and Housings CAD Timken BEARINGS INDUSTRY models , Super Precision Angular Contact Bearings Manufacturing Service . Get 1 mm ra max. Your Free.
| Brand Name: | SKF |
| Model Number: | 7221CD/P4A |
| d2: | 67.7 mm |
| b: | 2.2 mm |
| ra max.: | 1 mm |
| Preload class A: | 50 N/micron |
| Limiting speed for oil lubrication: | 24000 mm/min |
| Preload class A GA: | 70 N |
| Limiting speed for grease lubrication: | 15000 r/min |
| Attainable speed for grease lubrication: | 15000 r/min |
Product Details
| d2 | 67.7 mm |
| b | 2.2 mm |
| ra max. | 1 mm |
| Preload class A | 50 N/micron |
| Limiting speed for oil lubrication | 24000 mm/min |
| Preload class A GA | 70 N |
| Limiting speed for grease lubrication | 15000 r/min |
| Attainable speed for grease lubrication | 15000 r/min |
| Calculation factor - f2A | 1 |
| Ball - Dw | 7.938 mm |
| Preload class D GD | 560 N |
| Da max. | 80.4 mm |
| D1 | 77.3 mm |
| Db - max. | 83 mm |
| rb max. | 0.3 mm |
| Bore Diameter (mm) | 60 |
| C1 | 6.5 mm |
| Number of balls z | 24 |
| Width (mm) | 13 |
| a | 16.3 mm |
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