28985/20

Tapered roller bearings - Single-row - Inch series

Specifications
(Boundary dimensions ...etc)

d
60.325 mm
D
101.600 mm
T
25.400 mm
B
25.400 mm
C
19.845 mm
r(min.)
3.6 mm
r1(min.)
3.2 mm
Basic load ratings : Cr
115 kN
Basic load ratings : C0r
137 kN
Fatigue load limit : Cu
20.6 kN
Limiting speeds(Grease lub.)
3700 min-1
Limiting speeds(Oil lub.)
4900 min-1
Load center spread : a
22.8 mm
Constant :e
0.43
Axial load factors : Y1
1.41
Axial load factors : Y0
0.78

Mounting dimensions

da
73.0 mm
db
67.0 mm
Da
89.0 mm
Db
96.0 mm
ra(max.)
3.6 mm
rb(max.)
3.2 mm

Refer.

(Refer.)Mass
0.802 kg

Technical calculation for this product.

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