Ball, inch R series
R12 bearing
3/4 inch bore, 1-5/8 inch outside diameter, 7/16 inch width (19.05 × 41.275 × 11.112 mm).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 19.05 | 0.7500 (3/4) |
| Outside diameter D | 41.275 | 1.6250 (1-5/8) |
| Width B | 11.112 | 0.4375 (7/16) |
Quick numbers
| Pitch diameter dm | 30.2 mm |
| Section height (D − d)/2 | 11.1 mm |
| n·dm at 1,800 rpm | 54,293 |
| n·dm at 3,600 rpm | 108,585 |
Compare against the maker's limiting speed. Speed calculator · L10 life
What the number means
RInch-dimension radial ball bearing
12Bore in sixteenths of an inch: 12/16 = 3/4 in