BEARINGDEXTapered roller
30211 bearing
55 mm bore, 100 mm outside diameter, 22.75 mm width (2.1654 × 3.937 × 0.8957 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 55 | 2.1654 |
| Outside diameter D | 100 | 3.9370 |
| Width T | 22.75 | 0.8957 |
Quick numbers
| Pitch diameter dm | 77.5 mm |
| Section height (D − d)/2 | 22.5 mm |
| n·dm at 1,800 rpm | 139,500 |
| n·dm at 3,600 rpm | 279,000 |
Compare against the maker's limiting speed. Speed calculator · L10 life
What the number means
3Tapered roller
02Dimension series 02: width 0, diameter 2 (light)
11Bore code 11 × 5 = 55 mm