Specifications of KOYO Bearing 6389/20
Specifications
(Boundary dimensions …etc)
- d
- 66.675 mm
- D
- 135.755 mm
- T
- 53.975 mm
- B
- 56.007 mm
- C
- 44.450 mm
- r(min.)
- 6.4 mm
- r1(min.)
- 3.2 mm
- Basic load ratings : Cr
- 333 kN
- Basic load ratings : C0r
- 357 kN
- Fatigue load limit : Cu
- 49.3 kN
- Limiting speeds(Grease lub.)
- 3000 min-1
- Limiting speeds(Oil lub.)
- 4000 min-1
- Load center spread : a
- 34.8 mm
- Constant :e
- 0.32
- Axial load factors : Y1
- 1.85
- Axial load factors : Y0
- 1.02
Mounting dimensions
- da
- 91.0 mm
- db
- 77.5 mm
- Da
- 117.0 mm
- Db
- 126.0 mm
- ra(max.)
- 6.4 mm
- rb(max.)
- 3.2 mm
Refer.
- (Refer.)Mass
- 3.52 kg