/wp-content/uploads/2025/Spherical-Roller-Bearings.jpg
Koyo 21311RZK+H311X
(BRAND)：KOYO
(Availability)：In Stock
Specifications
(Boundary dimensions ...etc)
d1
50 mm
B1
45 mm
d2
75 mm
B2
12 mm
B3
- mm
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
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
A(min.)
19 mm
K(min.)
85 mm
sde(min.)
60 mm
b(min.)
6 mm
Refer.
(Refer.)Mass
2.04 kg
