BEARINGDEXDeep groove ball
6406 bearing
30 mm bore, 90 mm outside diameter, 23 mm width (1.1811 × 3.5433 × 0.9055 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 30 | 1.1811 |
| Outside diameter D | 90 | 3.5433 |
| Width B | 23 | 0.9055 |
Quick numbers
| Pitch diameter dm | 60.0 mm |
| Section height (D − d)/2 | 30.0 mm |
| n·dm at 1,800 rpm | 108,000 |
| n·dm at 3,600 rpm | 216,000 |
Compare against the maker's limiting speed. Speed calculator · L10 life
What the number means
6Deep groove ball
4Diameter series 4: heavy. Width series 0 is implied and left off.
06Bore code 06 × 5 = 30 mm
How each brand writes it
Same bearing, every maker's notation| Version | SKF | FAG | NSK | NTN | Koyo | NACHI |
|---|---|---|---|---|---|---|
| Open | 6406 | 6406 | 6406 | 6406 | 6406 | 6406 |
| Shields both sides | 6406-2Z | 6406-2ZR | 6406ZZ | 6406ZZ | 6406ZZ | 6406ZZE |
| Contact seals both sides | 6406-2RSH | 6406-2RSR | 6406DDU | 6406LLU | 6406-2RS | 6406-2NSE |
| Contact seals both sides, C3 | 6406-2RSH/C3 | 6406-2RSR-C3 | 6406DDUC3 | 6406LLUC3 | 6406-2RSC3 | 6406-2NSE C3 Verify |
| Non-contact seals both sides | 6406-2RSL | 6406-2BRS Verify | 6406VV | 6406LLB | 6406-2RU Verify | 6406-2NKE Verify |
| Shields both sides, C3 | 6406-2Z/C3 | 6406-2ZR-C3 | 6406ZZC3 | 6406ZZC3 | 6406ZZC3 | 6406ZZE C3 Verify |