Cylindrical roller, NJ
NJ216 bearing
80 mm bore, 140 mm outside diameter, 26 mm width (3.1496 × 5.5118 × 1.0236 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 80 | 3.1496 |
| Outside diameter D | 140 | 5.5118 |
| Width B | 26 | 1.0236 |
Quick numbers
| Pitch diameter dm | 110.0 mm |
| Section height (D − d)/2 | 30.0 mm |
| n·dm at 1,800 rpm | 198,000 |
| n·dm at 3,600 rpm | 396,000 |
Compare against the maker's limiting speed. Speed calculator · L10 life
What the number means
NJCylindrical roller. One rib on the inner ring locates the shaft in one direction.
2Diameter series 2: light
16Bore code 16 × 5 = 80 mm
Same size, different bearing
These share the 80 × 140 × 26 mm envelope but carry load differently. They aren't drop-in swaps.