Showing posts with label excator swing ring. Show all posts
Showing posts with label excator swing ring. Show all posts

Monday, November 19, 2018

High quality slewing ring bearing HJN2800 cross roller swing bearing


HJN2800 cross roller swing bearing, with inner teeth, dimensions: 2625*2978*112mm,weight:1250 kg, FRB Bearings specializes in the production and supply inner diameter of 100mm to 5000mm with outer tooth ,inner tooth and no tooth type cross roller slewing ring.This kind of bearing roller is 1:1 cross arrangement, can withstand both axial force overturning moment and larger radial force.Widely used in bucket turbine, overweight transport machinery, port machinery, mining machinery, construction machinery.

Here are some recommended product models:
HJN800
HJN800M
HJN817
HJN900
HJN900M
HJN1000
HJN1000M
HJN1094S
HJN1120
HJN2000M
HJN2240

Monday, September 10, 2018

How to repair slewing bearings raceway peeling layer and the tooth ring broken tooth?


Slewing bearings is a kind of large bearing which can bear comprehensive load.However, this part has been used for a long time. Due to the manufacturing quality problems such as the material pores or interlayers, the hardness of the hardened layer and uneven depth of the raceway, etc., or some external reasons, the raceway peeling layer or the tooth ring broken tooth, the equipment cannot work normally.How to fix it?Let me explain to you today!

For raceway stripping, the first to make a correct judgment.The appearance of peeling layer, generally in the outside is not easy to see.Generally, the raceway has stripping layer: when the main engine is carrying the rotation, the raceway has a "cro-crook" sound, and the rotating speed is not uniform or a certain azimuth speed slows down significantly with slight vibration;Too high temperature rise or too high current;Key slots of rotary motors and hydraulic couplers or coupling etc. are jammed.

YRTS200 Rotary Table Bearing

Product Model: YRTS200 d:200mm D:300mm H:45mm weight:9.7kg YRTS200 bearing consists of thrust/radial housing washer,a thrust/radial...