BEARINGDEXSelf-aligning ball
1200 bearing
10 mm bore, 30 mm outside diameter, 9 mm width (0.3937 × 1.1811 × 0.3543 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 10 | 0.3937 |
| Outside diameter D | 30 | 1.1811 |
| Width B | 9 | 0.3543 |
Quick numbers
| Pitch diameter dm | 20.0 mm |
| Section height (D − d)/2 | 10.0 mm |
| n·dm at 1,800 rpm | 36,000 |
| n·dm at 3,600 rpm | 72,000 |
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.
00Bore code 00 is a fixed code for 10 mm
Same size, different bearing
These share the 10 × 30 × 9 mm envelope but carry load differently. They aren't drop-in swaps.