557S/552A

Tapered roller bearings - Single-row - Inch series

Specifications
(Boundary dimensions ...etc)

d
53.975 mm
D
123.825 mm
T
38.100 mm
B
36.678 mm
C
30.162 mm
r(min.)
3.6 mm
r1(min.)
3.2 mm
Basic load ratings : Cr
202 kN
Basic load ratings : C0r
223 kN
Fatigue load limit : Cu
34.8 kN
Limiting speeds(Grease lub.)
3200 min-1
Limiting speeds(Oil lub.)
4200 min-1
Load center spread : a
28.7 mm
Constant :e
0.35
Axial load factors : Y1
1.73
Axial load factors : Y0
0.95

Mounting dimensions

da
71.0 mm
db
65.0 mm
Da
109.0 mm
Db
116.0 mm
ra(max.)
3.6 mm
rb(max.)
3.2 mm

Refer.

(Refer.)Mass
2.23 kg

Technical calculation for this product.

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