الوصف

Komatsu PC****6 Excavator Slewing Bearing Professional Manufacturer Slewing Circle

S&G pay attention to quality inspection of every production and purchase process. Before the products are put into market, they will go through strict inspection, to ensure the products with excellent quality and excellent performance and meet the needs of the various complex conditions.

Production Process:
Rough turning→U.T. detective→Quenching & tempering→Turning→Raceway hardness→Gear milling→Gear hardened→Drill holes→Finish turning→Inspect parts→Washing parts→Prosuct assembly→Product inspection→Mark & typing→Product packing     

Our Services
 Excavator slewing bearing the quality assurance period for 1 year, installation services support forever.
Special heavy large products for *8 hours global services.

Materials
1) Rings: Bearing steel,*0Mn is usually used.
2) Rolling element: It is made of chrome steel GCr*5 or GCr*5SiMn.
3) Seal: It is usually made of NBR,iron or other thing which meet the capability.
4) Hardness: Normalizing hardness of the rings is **7HB***1HB, quench & temper hardness is **9HB***9HB, hardness of the raceway after quenching is *5HRC**2HRC.
5) Application: Komatsu series excavator after-market parts. 

Structure
Normally we have structure for slewing bearings as below:
Single-row four point contact ball slewing bearings
Single Row Cross Roller Slewing Ring Bearings 
Double-row ball slewing bearings 
Three-row Crossed Roller Slewing Ring Bearings

And we accept custom making according to drawing or requirment.
All our slewing bearings follows the international certification standards.