designs & custom high quality CASE SWING CIRCLE material chrome steel GCr15 with good price than
S&G mainly produce excavator slewing bearing with ID
100-3500mm, our slewing bearing /slewng ring have many types. we
have ungeared, external gear,internal gear and so on. Also we can
provide customized service of designing, manufacting and exporting.
Our products can match with excavator CATERPILLAR, KOMATSU, HITACHI, KOBELCO, HYUNDAI, VOLVO, DOOSAN, LIEBHERR etc.
Our products are suitable for the following types of CASE excavator
|MODEL NO.||PART NO.|
1) Rings: Bearing steel,50Mn is usually used.
2) Rolling element: It is made of chrome steel GCr15 or GCr15SiMn.
3) Seal: It is usually made of NBR,iron or other thing which meet
4) Hardness: Normalizing hardness of the rings is 187HB-241HB,
quench & temper hardness is 229HB-269HB, hardness of the
raceway after quenching is 55HRC-62HRC.
5) Application: Komatsu series excavator after-market parts.
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
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
And we accept custom making according to drawing or requirment.
Our company inspecter will check the products one by one before we
sent it out, and we can also follow customers' special requests to
control the quality. We have got little feedback of quality issue
from customers these years. So please rest assure.
Our products ranging from 100mm to 3500mm, which mainly apply for
tunneling equipment, harbor and shipyard cranes, construction
equipment, mobile cranes, offshore technology, tower cranes,
turning machines, solar energy plants, ship deck cranes, railway
cranes, man lifts, wind turbines, and more. Our ability to optimize
the bearing design for your specific needs is unparalleled and we
will do our best to provide you the most reasonable price, high
quality product and in time delivery!
We will assist you throughout the design, manufacturing and
implementation process. Our goal is to use our resources to extend
your company's capabilities and provide a comprehensive solutions
package for all your application needs.
--We respected for our quality and cost effective
--We provide custom bearing designs that meet specific customer
--Timely reply. Quotes are turned around in 24 to 48 hours
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