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Introduction

Four-row cylindrical roller bearings are available in several designs:

● with a cylindrical or tapered bore

● open or sealed

Four-row cylindrical roller bearings are used almost exclusively for the roll necks of rolling mill stands, calenders and roller presses. Because they are normally mounted with an interference fit on the roll neck, four-row cylindrical roller bearings are well suited for rolling mill applications where the rolling speed is high.

Because four-row cylindrical roller bearings can accommodate only radial loads, they are mounted together with deep groove or angular contact ball bearings, or with tapered roller bearings (either radial or thrust design) which accommodate the axial loads.

Features and Benefits

● Exceptional high load carrying capacity

Because of their high number of rollers, four-row cylindrical roller bearings are suitable for very heavy radial loads.

● Low friction (Roller end / flange contact area)

The open flange design, together with the roller end design and surface finish, promote lubricant film formation resulting in lower friction.

● Long service life

The logarithmic roller profile reduces edge stresses at the roller/raceway contact and sensitivity to misalignment and shaft deflection.

● Enhanced operational reliability

The surface finish on the contact surfaces of the rollers and raceways supports the formation of a hydrodynamic lubricant film.

● Separable and interchangeable

The separable components of XRL four-row cylindrical roller bearings are interchangeable. This facilitates mounting and dismounting, as well as maintenance inspections.

● High speed capability

The cage designs are suitable for high speeds, rapid accelerations and peak loads.

● Low cross-sectional height

The low cross-sectional height of four-row cylindrical roller bearings allows for relatively large roll neck diameters compared to the roll diameter.

Usage

The four-row cylindrical roller bearings are usually separable, that is, the conical inner ring consisting of the inner ring of the roller and retainer assembly may be mounted separately from the conical outer ring (outer ring).

Application

Four-row cylindrical roller bearings are widely used in automobile, rolling mill, mining, metallurgy, plastic machinery and other industries.

Parameters

We usually think and practice corresponding to your change of circumstance, and grow up. We goal at the achievement of a richer mind and body plus the living for Factory Supply China Single Row Cylindrical Roller Bearings Nn3024K, For more info, be sure to call us as shortly as possible!
Factory Supply China Cheap Cylindrical Roller Bearings, Bearing From China, Our solutions are mainly exported to Europe, Africa, America, the Middle East and Southeast Asia and other countries and regions. We now have enjoyed a great reputation among our customers for quality products and good services.We would make friends with businessmen from at home and abroad, following the purpose of “Quality First, Reputation First, the Best Services.”