Specifications of KOYO Bearing 30228JR
Specifications
(Boundary dimensions …etc)
- d
- 140 mm
- D
- 250 mm
- T
- 45.75 mm
- B
- 42 mm
- C
- 36 mm
- r(min.)
- 4 mm
- r1(min.)
- 3 mm
- Basic load ratings : Cr
- 526 kN
- Basic load ratings : C0r
- 570 kN
- Fatigue load limit : Cu
- 71.8 kN
- Limiting speeds(Grease lub.)
- 1500 min-1
- Limiting speeds(Oil lub.)
- 1900 min-1
- Load center spread : a
- 49.4 mm
- Constant e
- 0.44
- Axial load factors : Y1
- 1.38
- Axial load factors : Y0
- 0.76
Mounting dimensions
- da(min.)
- 158 mm
- db(max.)
- 163 mm
- Da(max.)
- 236 mm
- da(min.)
- 219 mm
- db(min.)
- 237 mm
- Sa(min.)
- 9 mm
- Sb(min.)
- 9.5 mm
- ra(max.)
- 3 mm
- rb(max.)
- 2.5 mm
Refer.
- (Refer.)Mass
- 8.97 kg