30248R

Tapered roller bearings - Single-row - Metric series

Specifications
(Boundary dimensions ...etc)

d
240 mm
D
440 mm
T
79 mm
B
72 mm
C
60 mm
r(min.)
5 mm
r1(min.)
4 mm
Basic load ratings : Cr
1540 kN
Basic load ratings : C0r
1790 kN
Fatigue load limit : Cu
191 kN
Limiting speeds(Grease lub.)
730 min-1
Limiting speeds(Oil lub.)
980 min-1
Load center spread : a
82.7 mm
Constant e
0.42
Axial load factors : Y1
1.43
Axial load factors : Y0
0.79

Mounting dimensions

da(min.)
262 mm
db(max.)
287 mm
Da(max.)
422 mm
da(min.)
377 mm
db(min.)
409 mm
Sa(min.)
14 mm
Sb(min.)
18 mm
ra(max.)
4 mm
rb(max.)
3 mm

Refer.

(Refer.)Mass
49.5 kg

Technical calculation for this product.

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