28150/317

Tapered roller bearings - Single-row - Inch series

Specifications
(Boundary dimensions ...etc)

d
38.100 mm
D
80.035 mm
T
21.432 mm
B
20.940 mm
C
15.875 mm
r(min.)
1.6 mm
r1(min.)
1.6 mm
Basic load ratings : Cr
71.6 kN
Basic load ratings : C0r
65.9 kN
Fatigue load limit : Cu
9.70 kN
Limiting speeds(Grease lub.)
5300 min-1
Limiting speeds(Oil lub.)
7000 min-1
Load center spread : a
16.9 mm
Constant :e
0.40
Axial load factors : Y1
1.49
Axial load factors : Y0
0.82

Mounting dimensions

da
45.5 mm
db
43.5 mm
Da
69.0 mm
Db
73.0 mm
ra(max.)
1.6 mm
rb(max.)
1.6 mm

Refer.

(Refer.)Mass
0.486 kg

Technical calculation for this product.

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