Specifications of KOYO Bearing 31330JR
Specifications
(Boundary dimensions …etc)
- d
- 150 mm
- D
- 320 mm
- T
- 82 mm
- B
- 75 mm
- C
- 50 mm
- r(min.)
- 5 mm
- r1(min.)
- 4 mm
- Basic load ratings : Cr
- 952 kN
- Basic load ratings : C0r
- 989 kN
- Fatigue load limit : Cu
- 110 kN
- Limiting speeds(Grease lub.)
- 980 min-1
- Limiting speeds(Oil lub.)
- 1400 min-1
- Load center spread : a
- 100.1 mm
- Constant e
- 0.83
- Axial load factors : Y1
- 0.73
- Axial load factors : Y0
- 0.40
Mounting dimensions
- da(min.)
- 172 mm
- db(max.)
- 179 mm
- Da(max.)
- 302 mm
- da(min.)
- 272 mm
- db(min.)
- 301 mm
- Sa(min.)
- 9 mm
- Sb(min.)
- 27 mm
- ra(max.)
- 4 mm
- rb(max.)
- 3 mm
Refer.
- (Refer.)Mass
- 28.0 kg