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.

When using the equipment that contains the bearing part of the rotary table, it is found that the equipment cannot work normally, the driving motor (motor) often burns out and is replaced several times.At this point we should check if the slewing ring is damaged.Small size can be held by hand to support the inner ring or outer ring rotation, large size can be turned with the help of a crowbar, if found stuck or difficult rotation, heavy rotation.At this point, it can be determined that there is a problem with the sewing bearing.Generally, this situation is mainly due to insufficient lubrication or damage of isolation block.Solution :(1) add lubricating grease to the sewing ring (2# lithium base grease);(2) worse isolation block.

Here are some recommended product models:
HJN800
HJN800M
HJN817
HJN900
HJN900M
HJN1000
HJN1000M
HJN1094S
HJN1120
HJN2000M
HJN2240
HJN2240M
HJN2460
HJN2500
HJN2500M
HJN2800
HJN2800M
HJN3150
HJN3150M