6386/20

Tapered roller bearings - Single-row - Inch series

Specifications
(Boundary dimensions ...etc)

d
66.675 mm
D
135.755 mm
T
53.975 mm
B
56.007 mm
C
44.450 mm
r(min.)
4.3 mm
r1(min.)
3.2 mm
Basic load ratings : Cr
333 kN
Basic load ratings : C0r
357 kN
Fatigue load limit : Cu
49.3 kN
Limiting speeds(Grease lub.)
3000 min-1
Limiting speeds(Oil lub.)
4000 min-1
Load center spread : a
34.8 mm
Constant :e
0.32
Axial load factors : Y1
1.85
Axial load factors : Y0
1.02

Mounting dimensions

da
87.0 mm
db
77.5 mm
Da
117.0 mm
Db
126.0 mm
ra(max.)
4.3 mm
rb(max.)
3.2 mm

Refer.

(Refer.)Mass
3.64 kg

Technical calculation for this product.

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