BEARINGDEXCylindrical roller, N
N204 bearing
20 mm bore, 47 mm outside diameter, 14 mm width (0.7874 × 1.8504 × 0.5512 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 20 | 0.7874 |
| Outside diameter D | 47 | 1.8504 |
| Width B | 14 | 0.5512 |
Quick numbers
| Pitch diameter dm | 33.5 mm |
| Section height (D − d)/2 | 13.5 mm |
| n·dm at 1,800 rpm | 60,300 |
| n·dm at 3,600 rpm | 120,600 |
Compare against the maker's limiting speed. Speed calculator · L10 life
What the number means
NCylindrical roller. Ribs on the inner ring only, so the housing side floats.
2Diameter series 2: light
04Bore code 04 × 5 = 20 mm
Same size, different bearing
These share the 20 × 47 × 14 mm envelope but carry load differently. They aren't drop-in swaps.