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Koyo 30311CR
(BRAND)：KOYO
(Availability)：In Stock
Specifications
(Boundary dimensions ...etc)
d
55 mm
D
120 mm
T
31.5 mm
B
29 mm
C
22 mm
r(min.)
2.5 mm
r1(min.)
2 mm
Basic load ratings : Cr
180 kN
Basic load ratings : C0r
161 kN
Fatigue load limit : Cu
24.8 kN
Limiting speeds(Grease lub.)
3400 min-1
Limiting speeds(Oil lub.)
4500 min-1
Load center spread : a
29.8 mm
Constant e
0.55
Axial load factors : Y1
1.10
Axial load factors : Y0
0.60
Mounting dimensions
da(min.)
67 mm
db(max.)
70 mm
Da(max.)
108 mm
da(min.)
97 mm
db(min.)
112 mm
Sa(min.)
4.5 mm
Sb(min.)
9.5 mm
ra(max.)
2 mm
rb(max.)
2 mm
Refer.
(Refer.)Mass
1.58 kg
