/wp-content/uploads/2025/Tapered-Roller-Bearings.jpg
Koyo 30205XR
(BRAND)：KOYO
(Availability)：In Stock
Specifications
(Boundary dimensions ...etc)
d
25 mm
D
52 mm
T
16.25 mm
B
15 mm
C
12 mm
r(min.)
1 mm
r1(min.)
1 mm
Basic load ratings : Cr
38.0 kN
Basic load ratings : C0r
32.4 kN
Fatigue load limit : Cu
4.45 kN
Limiting speeds(Grease lub.)
7900 min-1
Limiting speeds(Oil lub.)
11000 min-1
Load center spread : a
14.9 mm
Constant e
0.58
Axial load factors : Y1
1.04
Axial load factors : Y0
0.57
Mounting dimensions
da(min.)
30.5 mm
db(max.)
30 mm
Da(max.)
46.5 mm
da(min.)
41 mm
db(min.)
49 mm
Sa(min.)
2 mm
Sb(min.)
4 mm
ra(max.)
1 mm
rb(max.)
1 mm
Refer.
(Refer.)Mass
0.155 kg
