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13946509 Slewing Ring Bearing Untuk Sany Excavator

Single Row Four Point Contact Ball Slewing Bearing(Q Series)--Non Gear
Characteristic of structure, performance and application
The single row four point contact ball slewing bearing is composed of two seat rings, which design in compact structure and light
weight, steel ball contact with the circular raceway at four point, it can bear the axial force, radial force and the tilting
moment at the same time.
It can be used for slewing conveyer, welding manipulator, light & medium duty crane, excavator, and other construction machinery.
  • QU.900.25


Details Images
Applicable Industries
Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Farms, Home Use, Food Shop, Construction works , Energy &
Mining, Food & Beverage Shops, Other, Advertising Company
Brand Name
Model Number
Four Point Contact
Gear Options
Place of Origin
Jiangsu, China
Bearing type
Single Row Four Point
Crane, Excavator, Tower crane, AGV
Wooden Box

Slewing bearing also known as slewing ring bearing,turntable bearing.It contain outer ring, inner ring,rolling body,seals.The material of our products are generally high alloy-structural steels ,such as 42CrMo 50Mn.The slewing bearing can work normally at a temperature of -30℃ to +70℃,and we can design special type as customer need.

Fast forwarding to today modern crane, most use a large diameter bearing commonly referred to as a slewing ring as a means of rotating the main structure. Slewing rings comprise an inner and outer race, one of which generally has an integral gear. Typical slewing rings range in size from approximately 300mm to 5m in diameter. A slewing ring rotates by means of balls or rollers contained within the races. There are several advantages to the slewing ring configuration over the king post style for use on cranes: Slewing rings need less axial space than a king post arrangement does.

Open space in the centre of a slewing ring provides a means of accommodating crane components and simplifies the machine design.

An integral gear is often machined into one of the slewing ring races rather than a separate bullgear as needed with the king post arrangement.

Why Choose Us


1,Helin slewing bearing is located in Xuzhou, a very famous Construction Machinery Base, and has its own stable, technically sound
design, development, and manufacturing team.
2. The physical factory has a strong R&D team, and production equipment is advanced, production equipment is continuously
increased and updated, and there are molding batch production lines with clear division of labor and high production efficiency.
(Standard models with raw material in stock , delivery time within 7 days . )
3. The slewing bearing is exported to more than 30 countries, which obtain high praise and recognition from customers all over the
world .And our engineer can come to your country to do measurements .

Product Inquiry
+86-516-8788 0390
+86 180 8679 0390
Opening hours:
Mon. - Fri. 8:30 - 18:00
We are Xuzhou Helin Slewing Bearing Co.,Ltd Slewing bearing factory in Xuzhou city . Our slewing bearing size from 100 mm - 5000 mm with standard and non- standard models . Good product quality, short delivery time, suitable price, high cost performance . welcome to contact us . 
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