BEARINGDEXTapered roller
30306 bearing
30 mm bore, 72 mm outside diameter, 20.75 mm width (1.1811 × 2.8346 × 0.8169 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 30 | 1.1811 |
| Outside diameter D | 72 | 2.8346 |
| Width T | 20.75 | 0.8169 |
Quick numbers
| Pitch diameter dm | 51.0 mm |
| Section height (D − d)/2 | 21.0 mm |
| n·dm at 1,800 rpm | 91,800 |
| n·dm at 3,600 rpm | 183,600 |
Compare against the maker's limiting speed. Speed calculator · L10 life
What the number means
3Tapered roller
03Dimension series 03: width 0, diameter 3 (medium)
06Bore code 06 × 5 = 30 mm