/wp-content/uploads/2025/Spherical-Roller-Bearings.jpg
Koyo 21311RZ
(BRAND)：KOYO
(Availability)：In Stock
Specifications
(Boundary dimensions ...etc)
d
55 mm
D
120 mm
B
29 mm
r(min.)
2 mm
Basic load ratings : Cr
180 kN
Basic load ratings : C0r
165 kN
Fatigue load limit : Cu
13.0 kN
Limiting speeds(Grease lub.)
4100 min-1
Limiting speeds(Oil lub.)
5600 min-1
Constant e
0.25
Axial load factors : Y1
2.71
Axial load factors : Y2
4.03
Axial load factors : Y0
2.65
Mounting dimensions
da(min.)
65 mm
da(max.)
mm
Da(max.)
110 mm
Da(min.)
mm
ra(max.)
2 mm
Refer.
(Refer.)Mass
1.69 kg
