4TR686A

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

Specifications
(Boundary dimensions ...etc)

d
685.800 mm
D
876.300 mm
T
355.600 mm
W
352.425 mm
r(min.)
6.4 mm
r1(min.)
3.2 mm
Basic load ratings : Cr
7950 kN
Basic load ratings : C0r
23100 kN
Fatigue load limit : Cu
1880 kN
Axial load factors : Y2
1.62 mm
Axial load factors : Y3
2.42
Axial load factors : Y0
1.59
Constant e
0.42

Mounting dimensions

da(min.)
734 mm
Da(max.)
852 mm
Da(max.)
824 mm
S(min.)
11 mm
ra(max.)
6.4 mm
rb(max.)
3.2 mm
Axial load factors : Y2
1.62 mm
Axial load factors : Y3
2.42
Axial load factors : Y0
1.59
Constant e
0.42

Refer.

(Refer.)Mass
554 kg

Technical calculation for this product.

For those who are considering the purchase of our products

Please contact us or find your nearest distributor

Contact Us