BEARINGDEXTapered roller
30210 bearing
50 mm bore, 90 mm outside diameter, 21.75 mm width (1.9685 × 3.5433 × 0.8563 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 50 | 1.9685 |
| Outside diameter D | 90 | 3.5433 |
| Width T | 21.75 | 0.8563 |
Quick numbers
| Pitch diameter dm | 70.0 mm |
| Section height (D − d)/2 | 20.0 mm |
| n·dm at 1,800 rpm | 126,000 |
| n·dm at 3,600 rpm | 252,000 |
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)
10Bore code 10 × 5 = 50 mm