Specifications of KOYO Bearing 661/653
Specifications
(Boundary dimensions …etc)
- d
- 79.375 mm
- D
- 146.050 mm
- T
- 41.275 mm
- B
- 41.275 mm
- C
- 31.750 mm
- r(min.)
- 3.6 mm
- r1(min.)
- 3.2 mm
- Basic load ratings : Cr
- 261 kN
- Basic load ratings : C0r
- 301 kN
- Fatigue load limit : Cu
- 45.3 kN
- Limiting speeds(Grease lub.)
- 2600 min-1
- Limiting speeds(Oil lub.)
- 3400 min-1
- Load center spread : a
- 33.4 mm
- Constant :e
- 0.41
- Axial load factors : Y1
- 1.47
- Axial load factors : Y0
- 0.81
Mounting dimensions
- da
- 96.0 mm
- db
- 90.0 mm
- Da
- 131.0 mm
- Db
- 139.0 mm
- ra(max.)
- 3.6 mm
- rb(max.)
- 3.2 mm
Refer.
- (Refer.)Mass
- 2.91 kg