/wp-content/uploads/2025/Tapered-Roller-Bearings.jpg
Koyo 42690/20
(BRAND)：KOYO
(Availability)：In Stock
Specifications
(Boundary dimensions ...etc)
d
77.788 mm
D
127.000 mm
T
30.162 mm
B
31.000 mm
C
22.225 mm
r(min.)
3.6 mm
r1(min.)
3.2 mm
Basic load ratings : Cr
179 kN
Basic load ratings : C0r
225 kN
Fatigue load limit : Cu
32.3 kN
Limiting speeds(Grease lub.)
2400 min-1
Limiting speeds(Oil lub.)
3200 min-1
Load center spread : a
27.1 mm
Constant :e
0.42
Axial load factors : Y1
1.43
Axial load factors : Y0
0.79
Mounting dimensions
da
91.0 mm
db
85.0 mm
Da
114.0 mm
Db
121.0 mm
ra(max.)
3.6 mm
rb(max.)
3.2 mm
Refer.
(Refer.)Mass
1.434 kg
