All Brands
- Basic Parameters
- 6903NR
- model
- Deep Groove Ball Bearing
- type
- Overall dimensions
- 17
- d
- 30
- D
- 7
- B
- 0.3
- r min refers to the minimum chamfer
- rated load
- 4600
- Cr
- 2550
- Cor
- 470
- Cr
- 260
- Cor
- Factor coefficient
- 14.7
- f0
- Maximum speed
- 24000
- Open-type
- 15000
- DDUDU glue seal
- 28000
- Open type z single-sided iron cover
- Bearing designation
- 6903
- Open-type
- ZZ
- Shielded dust cover type
- VVDDU
- Sealed Seal Ring Type
- N
- with snap ring groove
- NR
- With Snap Ring
- Retaining Ring Groove Size
- 1.30
- a(MAX)
- 0.95
- b(Min)
- 28.70
- D1(MAX)
- 0.25
- r0(MAX)
- 0.3
- rN(Min)
- Retaining ring Size
- 32.8
- D2(MAX)
- 0.85
- f(MAX)
- installation dimensions
- 19
- da(2)min(Min)
- 19.5
- da(2)max(MAX)
- 28
- Da(2)max(MAX)
- 0.3
- ra (MAX)
- 33.5
- Dx
- 1.8
- CY(MAX)
- Mass weight(kg)
- 0.017
- approx
