BEARINGDEXTapered roller, inch set
M12649 bearing
0.8437 inch bore, 1.9687 inch outside diameter, 0.69 inch width (21.43 × 50.005 × 17.526 mm).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 21.43 | 0.8437 |
| Outside diameter D | 50.005 | 1.9687 |
| Width T | 17.526 | 0.6900 |
Quick numbers
| Pitch diameter dm | 35.7 mm |
| Section height (D − d)/2 | 14.3 mm |
| n·dm at 1,800 rpm | 64,292 |
| n·dm at 3,600 rpm | 128,583 |
Compare against the maker's limiting speed. Speed calculator · L10 life
What the number means
MInch tapered roller series (L light, LM light-medium, M medium, HM heavy-medium)
12649Cone number. Mates with cup M12610; Timken sells the pair as SET3.