Specifications of KOYO Bearing 6903NR
Specifications
(Boundary dimensions …etc)
- d
- 17 mm
- D
- 30 mm
- B
- 7 mm
- r(min.)
- 0.3 mm
- r1(min.)
- 0.3 mm
- Basic load ratings : Cr
- 5.75 kN
- Basic load ratings : C0r
- 2.55 kN
- Fatigue load limit : Cu
- 0.130 kN
- factor : f0
- 14.7
- Limiting speeds(Grease lub.)
- 23000 min-1
- Limiting speeds(Oil lub.)
- 28000 min-1
- Dimensions of snap ring groove : D1(max.)
- mm
- Dimensions of snap ring groove : a(max.)
- mm
- Dimensions of snap ring groove : b(±0.05)
- mm
- Dimensions of snap ring groove : r0(max.)
- mm
- Dimensions of locating snap ring : D2(min.)
- 32.8 mm
- Dimensions of locating snap ring : f(±0.05)
- 0.8 mm
Mounting dimensions
- da(min.)
- 19 mm
- Da(max.)
- 28 mm
- Dx(min.)
- 33.5 mm
- Cy(max.)
- 1.9 mm
- ra(max.)
- 0.3 mm
- rb(max.)
- 0.3 mm
Refer.
- (Refer.)Mass
- 0.018 kg