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Koyo 21312RZK+H312X
(BRAND)：KOYO
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
(Boundary dimensions ...etc)
d1
55 mm
B1
47 mm
d2
80 mm
B2
13 mm
B3
- mm
d
60 mm
D
130 mm
B
31 mm
r(min.)
2.1 mm
Basic load ratings : Cr
210 kN
Basic load ratings : C0r
193 kN
Limiting speeds(Grease lub.)
3900 min-1
Limiting speeds(Oil lub.)
5100 min-1
Constant e
0.24
Axial load factors : Y1
2.78
Axial load factors : Y2
4.14
Axial load factors : Y0
2.72
Mounting dimensions
A(min.)
20 mm
K(min.)
90 mm
sde(min.)
65 mm
b(min.)
5 mm
Refer.
(Refer.)Mass
2.50 kg
