2687/31

Tapered roller bearings - Single-row - Inch series

Specifications
(Boundary dimensions ...etc)

d
25.400 mm
D
66.421 mm
T
23.812 mm
B
25.433 mm
C
19.050 mm
r(min.)
1.2 mm
r1(min.)
1.2 mm
Basic load ratings : Cr
83.8 kN
Basic load ratings : C0r
75.2 kN
Fatigue load limit : Cu
11.2 kN
Limiting speeds(Grease lub.)
6500 min-1
Limiting speeds(Oil lub.)
8700 min-1
Load center spread : a
13.9 mm
Constant :e
0.25
Axial load factors : Y1
2.36
Axial load factors : Y0
1.30

Mounting dimensions

da
33.5 mm
db
31.5 mm
Da
58.0 mm
Db
60.0 mm
ra(max.)
1.2 mm
rb(max.)
1.2 mm

Refer.

(Refer.)Mass
0.434 kg

Technical calculation for this product.

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