BEARINGDEXTapered roller
30312 bearing
60 mm bore, 130 mm outside diameter, 33.5 mm width (2.3622 × 5.1181 × 1.3189 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 60 | 2.3622 |
| Outside diameter D | 130 | 5.1181 |
| Width T | 33.5 | 1.3189 |
Quick numbers
| Pitch diameter dm | 95.0 mm |
| Section height (D − d)/2 | 35.0 mm |
| n·dm at 1,800 rpm | 171,000 |
| n·dm at 3,600 rpm | 342,000 |
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)
12Bore code 12 × 5 = 60 mm