12168/303

Tapered roller bearings - Single-row - Inch series

Specifications
(Boundary dimensions ...etc)

d
42.862 mm
D
76.992 mm
T
17.463 mm
B
17.145 mm
C
11.908 mm
r(min.)
1.6 mm
r1(min.)
1.6 mm
Basic load ratings : Cr
60.8 kN
Basic load ratings : C0r
62.2 kN
Fatigue load limit : Cu
8.95 kN
Limiting speeds(Grease lub.)
5000 min-1
Limiting speeds(Oil lub.)
6600 min-1
Load center spread : a
17.5 mm
Constant :e
0.51
Axial load factors : Y1
1.19
Axial load factors : Y0
0.65

Mounting dimensions

da
51.0 mm
db
48.5 mm
Da
68.0 mm
Db
73.0 mm
ra(max.)
1.6 mm
rb(max.)
1.6 mm

Refer.

(Refer.)Mass
0.318 kg

Technical calculation for this product.

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