BEARINGDEXCylindrical roller, NJ
NJ207 bearing
35 mm bore, 72 mm outside diameter, 17 mm width (1.378 × 2.8346 × 0.6693 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 35 | 1.3780 |
| Outside diameter D | 72 | 2.8346 |
| Width B | 17 | 0.6693 |
Quick numbers
| Pitch diameter dm | 53.5 mm |
| Section height (D − d)/2 | 18.5 mm |
| n·dm at 1,800 rpm | 96,300 |
| n·dm at 3,600 rpm | 192,600 |
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
07Bore code 07 × 5 = 35 mm
Same size, different bearing
These share the 35 × 72 × 17 mm envelope but carry load differently. They aren't drop-in swaps.