388A/382A

Tapered roller bearings - Single-row - Inch series

Specifications
(Boundary dimensions ...etc)

d
57.531 mm
D
96.838 mm
T
21.000 mm
B
21.946 mm
C
15.875 mm
r(min.)
3.6 mm
r1(min.)
0.8 mm
Basic load ratings : Cr
101 kN
Basic load ratings : C0r
101 kN
Fatigue load limit : Cu
15.3 kN
Limiting speeds(Grease lub.)
3900 min-1
Limiting speeds(Oil lub.)
5200 min-1
Load center spread : a
17.4 mm
Constant :e
0.35
Axial load factors : Y1
1.69
Axial load factors : Y0
0.93

Mounting dimensions

da
69.0 mm
db
63.0 mm
Da
89.0 mm
Db
92.0 mm
ra(max.)
3.6 mm
rb(max.)
0.8 mm

Refer.

(Refer.)Mass
0.597 kg

Technical calculation for this product.

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