68463/712

Tapered roller bearings - Single-row - Inch series

Specifications
(Boundary dimensions ...etc)

d
117.475 mm
D
180.975 mm
T
34.925 mm
B
31.750 mm
C
25.400 mm
r(min.)
7.9 mm
r1(min.)
3.2 mm
Basic load ratings : Cr
216 kN
Basic load ratings : C0r
247 kN
Fatigue load limit : Cu
35.1 kN
Limiting speeds(Grease lub.)
2000 min-1
Limiting speeds(Oil lub.)
2700 min-1
Load center spread : a
40.6 mm
Constant :e
0.50
Axial load factors : Y1
1.21
Axial load factors : Y0
0.66

Mounting dimensions

da
141.0 mm
db
125.0 mm
Da
163.0 mm
Db
172.0 mm
ra(max.)
7.9 mm
rb(max.)
3.2 mm

Refer.

(Refer.)Mass
2.66 kg

Technical calculation for this product.

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