/wp-content/uploads/2025/Tapered-Roller-Bearings.jpg
Koyo 30212JR
(BRAND)：KOYO
(Availability)：In Stock
Specifications
(Boundary dimensions ...etc)
d
60 mm
D
110 mm
T
23.75 mm
B
22 mm
C
19 mm
r(min.)
2 mm
r1(min.)
1.5 mm
Basic load ratings : Cr
133 kN
Basic load ratings : C0r
127 kN
Fatigue load limit : Cu
19.7 kN
Limiting speeds(Grease lub.)
3500 min-1
Limiting speeds(Oil lub.)
4700 min-1
Load center spread : a
21.9 mm
Constant e
0.40
Axial load factors : Y1
1.48
Axial load factors : Y0
0.81
Mounting dimensions
da(min.)
70 mm
db(max.)
70 mm
Da(max.)
100 mm
da(min.)
96 mm
db(min.)
103 mm
Sa(min.)
4 mm
Sb(min.)
4.5 mm
ra(max.)
2 mm
rb(max.)
1.5 mm
Refer.
(Refer.)Mass
0.945 kg
