12580/20

Tapered roller bearings - Single-row - Inch series

Specifications
(Boundary dimensions ...etc)

d
20.638 mm
D
49.225 mm
T
19.845 mm
B
19.845 mm
C
15.875 mm
r(min.)
1.6 mm
r1(min.)
1.6 mm
Basic load ratings : Cr
45.5 kN
Basic load ratings : C0r
37.7 kN
Fatigue load limit : Cu
5.35 kN
Limiting speeds(Grease lub.)
8600 min-1
Limiting speeds(Oil lub.)
12000 min-1
Load center spread : a
12.7 mm
Constant :e
0.32
Axial load factors : Y1
1.86
Axial load factors : Y0
1.02

Mounting dimensions

da
28.5 mm
db
26.0 mm
Da
42.5 mm
Db
45.5 mm
ra(max.)
1.6 mm
rb(max.)
1.6 mm

Refer.

(Refer.)Mass
0.183 kg

Technical calculation for this product.

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