/wp-content/uploads/2025/Tapered-Roller-Bearings.jpg
Koyo 3198/20
(BRAND)：KOYO
(Availability)：In Stock
Specifications
(Boundary dimensions ...etc)
d
28.575 mm
D
72.626 mm
T
30.162 mm
B
29.997 mm
C
23.812 mm
r(min.)
1.2 mm
r1(min.)
3.2 mm
Basic load ratings : Cr
98.6 kN
Basic load ratings : C0r
89.3 kN
Fatigue load limit : Cu
13.3 kN
Limiting speeds(Grease lub.)
5800 min-1
Limiting speeds(Oil lub.)
7700 min-1
Load center spread : a
20.3 mm
Constant :e
0.33
Axial load factors : Y1
1.80
Axial load factors : Y0
0.99
Mounting dimensions
da
39.0 mm
db
37.0 mm
Da
61.0 mm
Db
67.0 mm
ra(max.)
1.2 mm
rb(max.)
3.2 mm
Refer.
(Refer.)Mass
0.632 kg
