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Koyo 31321JR
(BRAND)：KOYO
(Availability)：In Stock
Specifications
(Boundary dimensions ...etc)
d
105 mm
D
225 mm
T
58 mm
B
53 mm
C
36 mm
r(min.)
4 mm
r1(min.)
3 mm
Basic load ratings : Cr
495 kN
Basic load ratings : C0r
489 kN
Fatigue load limit : Cu
59.4 kN
Limiting speeds(Grease lub.)
1500 min-1
Limiting speeds(Oil lub.)
2100 min-1
Load center spread : a
70.3 mm
Constant e
0.83
Axial load factors : Y1
0.73
Axial load factors : Y0
0.40
Mounting dimensions
da(min.)
123 mm
db(max.)
126 mm
Da(max.)
211 mm
da(min.)
193 mm
db(min.)
211 mm
Sa(min.)
6 mm
Sb(min.)
18 mm
ra(max.)
3 mm
rb(max.)
2.5 mm
Refer.
(Refer.)Mass
9.72 kg
