4CR680D

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

Specifications
(Boundary dimensions ...etc)

d
680 mm
D
1020 mm
B
680 mm
C
680 mm
Fw
775 mm
r(min.)
5 mm
r1(min.)
SP mm
Basic load ratings : Cr
21600 kN
Basic load ratings : C0r
49200 kN
Fatigue load limit : Cu
4070 kN

Mounting dimensions

da(min.)
719 mm
Da(max.)
998 mm
da(min.)
946 mm
ra(max.)
4 mm
rb(max.)
8 mm

Refer.

(Refer.)Mass
2040 kg

Technical calculation for this product.

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