BEARINGDEXTapered roller
30209 bearing
45 mm bore, 85 mm outside diameter, 20.75 mm width (1.7717 × 3.3465 × 0.8169 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 45 | 1.7717 |
| Outside diameter D | 85 | 3.3465 |
| Width T | 20.75 | 0.8169 |
Quick numbers
| Pitch diameter dm | 65.0 mm |
| Section height (D − d)/2 | 20.0 mm |
| n·dm at 1,800 rpm | 117,000 |
| n·dm at 3,600 rpm | 234,000 |
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)
09Bore code 09 × 5 = 45 mm