Specifications of KOYO Bearing 581R/572
Specifications
(Boundary dimensions …etc)
- d
- 80.962 mm
- D
- 139.992 mm
- T
- 36.512 mm
- B
- 36.098 mm
- C
- 28.575 mm
- r(min.)
- 3.6 mm
- r1(min.)
- 3.2 mm
- Basic load ratings : Cr
- 220 kN
- Basic load ratings : C0r
- 262 kN
- Fatigue load limit : Cu
- 39.8 kN
- Limiting speeds(Grease lub.)
- 2700 min-1
- Limiting speeds(Oil lub.)
- 3600 min-1
- Load center spread : a
- 31.0 mm
- Constant :e
- 0.40
- Axial load factors : Y1
- 1.49
- Axial load factors : Y0
- 0.82
Mounting dimensions
- da
- 96.0 mm
- db
- 90.0 mm
- Da
- 125.0 mm
- Db
- 133.0 mm
- ra(max.)
- 3.6 mm
- rb(max.)
- 3.2 mm
Refer.
- (Refer.)Mass
- 2.25 kg