Spherical roller
22218 bearing
90 mm bore, 160 mm outside diameter, 40 mm width (3.5433 × 6.2992 × 1.5748 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 90 | 3.5433 |
| Outside diameter D | 160 | 6.2992 |
| Width B | 40 | 1.5748 |
Quick numbers
| Pitch diameter dm | 125.0 mm |
| Section height (D − d)/2 | 35.0 mm |
| n·dm at 1,800 rpm | 225,000 |
| n·dm at 3,600 rpm | 450,000 |
Compare against the maker's limiting speed. Speed calculator · L10 life
What the number means
2Spherical roller
22Dimension series 22: width 2, diameter 2 (light)
18Bore code 18 × 5 = 90 mm
Same size, different bearing
These share the 90 × 160 × 40 mm envelope but carry load differently. They aren't drop-in swaps.