/wp-content/uploads/2025/Tapered-Roller-Bearings.jpg
Koyo 32912JR
(BRAND)：KOYO
(Availability)：In Stock
Specifications
(Boundary dimensions ...etc)
d
60 mm
D
85 mm
T
17 mm
B
17 mm
C
14 mm
r(min.)
1 mm
r1(min.)
1 mm
Basic load ratings : Cr
57.6 kN
Basic load ratings : C0r
78.2 kN
Fatigue load limit : Cu
11.3 kN
Limiting speeds(Grease lub.)
4100 min-1
Limiting speeds(Oil lub.)
5500 min-1
Load center spread : a
15.6 mm
Constant e
0.33
Axial load factors : Y1
1.81
Axial load factors : Y0
1.00
Mounting dimensions
da(min.)
65.5 mm
db(max.)
66 mm
Da(max.)
79.5 mm
da(min.)
77 mm
db(min.)
81 mm
Sa(min.)
3 mm
Sb(min.)
3 mm
ra(max.)
1 mm
rb(max.)
1 mm
Refer.
(Refer.)Mass
0.306 kg
