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BNBA2252125 Sendzimir Mill Bearing

Minimum Order Quantity : 1 Price : USD
Packaging Details : Single box/Wooden case Delivery Time : 7-35 days
Place of Origin: LUOYANG Brand Name: MONTON
Certification: ISO9001 Model Number: Sendzimir Mill Bearing

Detail Information

High Light:

sealed cylindrical roller bearings

,

cylindrical thrust bearing

Product Description

 

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.

2)Processing accuracy:running accuracy must be P4 at least,dimensional accuracy no less than P5;
were classified in three to seven section height groups each of 3μm to 5μm;
were suitable for high strip speeds, up to 1000 m/min depending on operating conditions.
We are manufacturing this bearing in 3 structures.
 

Backing bearings are roller bearings with a particularly thick outer ring.
They are mounted on stationary support shafts, forming a cluster together with the work rolls. The forces from the work rolls are transmitted via the support shaft and a system of support saddles to the rolls or machine stands.

The logarithmic profile of the rollers contact allows obtaining an optimum load distribution under all load conditions and even in case of bearing misalignment under load.

UNITEC backing bearings are subjected to heat treatments that improve surface structure and therefore facilitate a reliable lubrication.

UNITEC has developed a wide range of backing rollers for Sendzimir mills which are able to meet different requirements.

Here below three standardized series:
Design A: 3-row bearings, rollers guided by a bronze cage and outer ring without ribs
Design B: double row bearings with cage and ribs to guide the rollers
Design C: single row full complement bearings, outer ring without ribs and inner ring with ribs to contain the rollers.

 

Sendzimir Mill Bearings

 

General features
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.

 

 

Sendzimir Mill Bearings facotry

Sendzimir Mill Bearings

Sendzimir Mill Bearings

 

BNBA2252125 Sendzimir Mill Bearing 4

BNBA2252125 Sendzimir Mill Bearing 5

BNBA2252125 Sendzimir Mill Bearing 6

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