Slewing Ball Bearing 011.20.250 Used For Micro Excavator Equipment

Slewing ball bearing 011.20.250 used for Micro excavator equipment 

The turntable ball slewing ring bearing 011.20.250 used for the micro excavator equipment.
The bearing 011.20.250 structure belongs to four point contact ball slewing with external teeth gear. It can carry the axial and radial load with high speed rotating.it has Stable structure,high quality,smooth working feature.

The slewing ring bearing 011.20.250  details as following:
The bearing items:011.20.250 
No of teeth      Z=86
Press angle    A=20 degree
Modification coefficient    X=0
The bearing full size:352X170X60MM
The bearinig outer diameter:352mm
The bearing inner diameter:170mm
The bearings width:60mm
The bearing outer ring and inner ring material:42CrMo,50Mn 
Mounting hole distrubtion :
The outer ring hole number:18PCS
The inner ring hole number:18pcs
The bearing raceway heat treatment:HR55-60.
turntable bearings can be supplied with gear teeth as an integral part of either the inner or outer ring. They are typically a standard full depth or stub involute spur gear having a 20° pressure angle with provision for backlash and conforming to AgMA Q6 quality.
Lubrication
grease is the typical lubricant used for turntable bearings. Periodic application of fresh lubricant into the bearing is required to reduce friction and wear, provide corrosion protection, displace contaminants, and enhance performance of the seals.
The bearing package:strong wooden case 
The bearing delivery time:45 days

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