LM12749/11

Tapered roller bearings - Single-row - Inch series

Specifications
(Boundary dimensions ...etc)

d
21.987 mm
D
45.974 mm
T
15.494 mm
B
16.637 mm
C
12.065 mm
r(min.)
1.2 mm
r1(min.)
1.2 mm
Basic load ratings : Cr
37.5 kN
Basic load ratings : C0r
34.6 kN
Fatigue load limit : Cu
4.85 kN
Limiting speeds(Grease lub.)
8900 min-1
Limiting speeds(Oil lub.)
12000 min-1
Load center spread : a
10.0 mm
Constant :e
0.31
Axial load factors : Y1
1.96
Axial load factors : Y0
1.08

Mounting dimensions

da
27.5 mm
db
26.0 mm
Da
40.0 mm
Db
42.5 mm
ra(max.)
1.2 mm
rb(max.)
1.2 mm

Refer.

(Refer.)Mass
0.121 kg

Technical calculation for this product.

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