SDEYI BEARING GROUP LTD

Address:9 Siu Hum Tsuen,San Tin,Yuen Long,N.T.Hong Kong

Tel: +852-93400135

Fax: +852-29883568

E-mail: ann@sdvvbearing.com

Web: www.1-bearing.com

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Introduction of Slewing Bearing
Jan 10, 2018

Except the slewing bearing,Sun Rises Group Ltd also have turntable bearing. If you want to know more,please email: info@1-bearing.com

Description of slewing bearing:

 

Single-row four point contact slewing bearings constitute by two seat circles, compact structure, light weight. 

steel ball rolling four contacts with circular arc, can also carry axial force, radial force and pour over torque.

Double-row different diameter ball slewing bearing has three seats. The steel balls and the spacers may be directly arranged into the upper and lower raceways. Two rows of steel balls with different diameters are fitted according to the load. Such open mode fitting features extraordinary convenience. The load angles of both upper and lower races are 90°, which enable the bearing to bear large axial force and the overturning moment. When the radial force is larger than 1/10 of the axial force, the raceways should be especially designed. The axial dimension and radial dimension of double-row ball slewing bearing are rather large, and the bearing construction is sturdy. Hence it is especially suitable for tower cranes which requiring working diameter over medium range, mobile cranes and other unloading machines.

 

Types of slewing bearing:

Single-row roller slewing bearing

Single-row crossed roller slewing bearing

Double-row ball slewing bearing

Double-row four point slewing bearing

Three-row roller slewing bearing

 

Features of slewing bearing:

1.High precision:Cross roller bearings can be made high precision bearings, at P4, P2.

2.High rigidity:These series roller bearings are with preload.

3.High load capacity:This series roller bearing can support axial load, radial load, and tilting load.

4.Small volume:This series roller bearing can save space for the machine.

 

Applications of slewing bearing:

slewing ring bearing solutions have been used successfully in a variety of light to medium duty applications including:

Small cranes, booms, and lifts

Industrial positioners and rotary tables

Chute swivels

Stretch wrapping machines

Bottle filling machines

Conveyors and related material handling equipment

Rotating displays


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