BEARINGDEXDeep groove ball, thin section
16004 bearing
20 mm bore, 42 mm outside diameter, 8 mm width (0.7874 × 1.6535 × 0.315 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 20 | 0.7874 |
| Outside diameter D | 42 | 1.6535 |
| Width B | 8 | 0.3150 |
Quick numbers
| Pitch diameter dm | 31.0 mm |
| Section height (D − d)/2 | 11.0 mm |
| n·dm at 1,800 rpm | 55,800 |
| n·dm at 3,600 rpm | 111,600 |
Compare against the maker's limiting speed. Speed calculator · L10 life
What the number means
160Extra-thin deep groove ball series
04Bore code 04 × 5 = 20 mm
How each brand writes it
Same bearing, every maker's notation| Version | SKF | FAG | NSK | NTN | Koyo | NACHI |
|---|---|---|---|---|---|---|
| Open | 16004 | 16004 | 16004 | 16004 | 16004 | 16004 |
| Shields both sides | 16004-2Z | 16004-2ZR | 16004ZZ | 16004ZZ | 16004ZZ | 16004ZZE |
| Contact seals both sides | 16004-2RSH | 16004-2RSR | 16004DDU | 16004LLU | 16004-2RS | 16004-2NSE |
| Contact seals both sides, C3 | 16004-2RSH/C3 | 16004-2RSR-C3 | 16004DDUC3 | 16004LLUC3 | 16004-2RSC3 | 16004-2NSE C3 Verify |
| Non-contact seals both sides | 16004-2RSL | 16004-2BRS Verify | 16004VV | 16004LLB | 16004-2RU Verify | 16004-2NKE Verify |
| Shields both sides, C3 | 16004-2Z/C3 | 16004-2ZR-C3 | 16004ZZC3 | 16004ZZC3 | 16004ZZC3 | 16004ZZE C3 Verify |