30256

Tapered roller bearings - Single-row - Metric series

Specifications
(Boundary dimensions ...etc)

d
280 mm
D
500 mm
T
89 mm
B
80 mm
C
67 mm
r(min.)
6 mm
r1(min.)
5 mm
Basic load ratings : Cr
1580 kN
Basic load ratings : C0r
1920 kN
Fatigue load limit : Cu
196 kN
Limiting speeds(Grease lub.)
610 min-1
Limiting speeds(Oil lub.)
810 min-1
Load center spread : a
96.2 mm
Constant e
0.42
Axial load factors : Y1
1.44
Axial load factors : Y0
0.79

Mounting dimensions

da(min.)
308 mm
db(max.)
325 mm
Da(max.)
478 mm
da(min.)
440 mm
db(min.)
475 mm
Sa(min.)
14 mm
Sb(min.)
21 mm
ra(max.)
5 mm
rb(max.)
4 mm

Refer.

(Refer.)Mass
67.6 kg

Technical calculation for this product.

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