BEARINGDEXSelf-aligning ball
1201 bearing
12 mm bore, 32 mm outside diameter, 10 mm width (0.4724 × 1.2598 × 0.3937 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 12 | 0.4724 |
| Outside diameter D | 32 | 1.2598 |
| Width B | 10 | 0.3937 |
Quick numbers
| Pitch diameter dm | 22.0 mm |
| Section height (D − d)/2 | 10.0 mm |
| n·dm at 1,800 rpm | 39,600 |
| n·dm at 3,600 rpm | 79,200 |
Compare against the maker's limiting speed. Speed calculator · L10 life
What the number means
1Self-aligning ball
2Diameter series 2: light. Width series 0 is implied and left off.
01Bore code 01 is a fixed code for 12 mm
Same size, different bearing
These share the 12 × 32 × 10 mm envelope but carry load differently. They aren't drop-in swaps.