/wp-content/uploads/2025/Tapered-Roller-Bearings.jpg
Koyo 30205JR
(BRAND)：KOYO
(Availability)：In Stock
Specifications
(Boundary dimensions ...etc)
d
25 mm
D
52 mm
T
16.25 mm
B
15 mm
C
13 mm
r(min.)
1 mm
r1(min.)
1 mm
Basic load ratings : Cr
39.3 kN
Basic load ratings : C0r
33.7 kN
Fatigue load limit : Cu
4.75 kN
Limiting speeds(Grease lub.)
7800 min-1
Limiting speeds(Oil lub.)
10000 min-1
Load center spread : a
12.9 mm
Constant e
0.37
Axial load factors : Y1
1.60
Axial load factors : Y0
0.88
Mounting dimensions
da(min.)
30.5 mm
db(max.)
31 mm
Da(max.)
46.5 mm
da(min.)
44 mm
db(min.)
48 mm
Sa(min.)
2 mm
Sb(min.)
3 mm
ra(max.)
1 mm
rb(max.)
1 mm
Refer.
(Refer.)Mass
0.156 kg
