/wp-content/uploads/2025/Spherical-Roller-Bearings.jpg
Koyo 239/500R
(BRAND)：KOYO
(Availability)：In Stock
Specifications
(Boundary dimensions ...etc)
d
500 mm
D
670 mm
B
128 mm
r(min.)
5 mm
Basic load ratings : Cr
3330 kN
Basic load ratings : C0r
6310 kN
Fatigue load limit : Cu
447 kN
Limiting speeds(Grease lub.)
330 min-1
Limiting speeds(Oil lub.)
440 min-1
Constant e
0.17
Axial load factors : Y1
3.87
Axial load factors : Y2
5.76
Axial load factors : Y0
3.79
Mounting dimensions
da(min.)
522 mm
da(max.)
mm
Da(max.)
648 mm
Da(min.)
mm
ra(max.)
4 mm
Refer.
(Refer.)Mass
131 kg
