Type:Sendzimir Mill Bearing
Sendzimir Mill Bearing
Backing up roller bearing also called Senzimir mill bearings,it was specially designed for cold rolling mills, Most are used to process high grade steel strip and non-ferrous metal strip ,but can also be used for other applications e.g. straightening or bending machines.
1)Structure & Feature:Backing bearings are roller bearings having a particularly thick-walled outer ring and can be mounted on stationary support shafts to form back-up or straightening rolls. The forces from the work rolls are transmitted via the support shaft and a system of support saddles to the roll or machine stands.
Outer rings: in special bearing steel. Isothermal hardening is foreseen in case of big dimensions in order to improve bearings toughness and strength.
On request: isothermal hardening or case hardening also on smaller sizes.
The outer ring is conveniently profiled to reduce the stress generated by the contact with the work rolls.
Inner rings: in special bearing steel, available with lubrication holes.
Rollers: with modified logarithmic profiles to improve the distribution of stresses.
Each bearing is measured and identified according to a specific selection of the outer ring’s thickness H.
This refers to the alignment of the outer ring and inner ring.
The maximum thickness of outer and inner rings is marked on the rings sides.
On request, the bearings can be packed in a sequence of assembly and in groups according to the customer’s requirement.
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