M257248D/210/210D

Rolling mill roll neck bearings - Four-row tapered roller bearings

Specifications
(Boundary dimensions ...etc)

d
304.902 mm
D
412.648 mm
T
266.700 mm
W
266.700 mm
r(min.)
3.2 mm
r1(min.)
3.2 mm
Basic load ratings : Cr
3210 kN
Basic load ratings : C0r
7280 kN
Fatigue load limit : Cu
746 kN
Axial load factors : Y2
2.12 mm
Axial load factors : Y3
3.15
Axial load factors : Y0
2.07
Constant e
0.32

Mounting dimensions

da(min.)
328 mm
Da(max.)
398 mm
Da(max.)
383 mm
S(min.)
7 mm
ra(max.)
3.2 mm
rb(max.)
3.2 mm
Axial load factors : Y2
2.12 mm
Axial load factors : Y3
3.15
Axial load factors : Y0
2.07
Constant e
0.32

Refer.

(Refer.)Mass
101 kg

Technical calculation for this product.

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