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 |