Tapered roller, inch set
LM12749 bearing
0.8656 inch bore, 1.81 inch outside diameter, 0.61 inch width (21.986 × 45.974 × 15.494 mm).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 21.986 | 0.8656 |
| Outside diameter D | 45.974 | 1.8100 |
| Width T | 15.494 | 0.6100 |
Quick numbers
| Pitch diameter dm | 34.0 mm |
| Section height (D − d)/2 | 12.0 mm |
| n·dm at 1,800 rpm | 61,164 |
| n·dm at 3,600 rpm | 122,328 |
Compare against the maker's limiting speed. Speed calculator · L10 life
What the number means
LMInch tapered roller series (L light, LM light-medium, M medium, HM heavy-medium)
12749Cone number. Mates with cup LM12710; Timken sells the pair as SET6.