• Modell Nr.: 33.0741.01
• Wälzkörper : Ball Bearings
• Die Anzahl der Zeilen : Single
• Sphärisch : Aligning Lager

• Trademark: TONGLI
• Packing: Wooden Case
• Standard: SGS
• Origin: Maanshan
• HS Code: 8482800000
• Production Capacity: 100000PCS/Year

Inner gear slewing ring/Slewing Swing bearing Single-row ball with SGS. This is one of our mutual product series which exported to Europe, North America, South America, Asia and etc.
Single-row ball slewing ring with external gear is a kind of economy product with higher compact structure and    less weight.  For the slewing ring have the same figure size, the load    capacity of single row ball slewing ring is better than the   cross roller and double-row different diameters slewing ring. The warranty will be 1 year. Free technical support would be provided by our engineer team.
Product advantage:

Partner of many famous OEMs: HITACHI, AICHI, BAUER, XCMG, LIUGONG. Group, etc.
The product diameter is between 100mm to 4350mm
Patent product- Slewing Ring with Gear Hardness Gradient: to prevent gear tooth broken successfully
Patent product- Elliptical Raceway Slewing Ring : high load capacity, outstanding service life, low purchase cost
Capacity to produce gear hardness from HB285 to HB321
Patent product- Levelness Adjustable slewing ring: can adjust levelness for complicated working condition to meet with special equipment, first invented by Tongli
For superior technology, excellent product quality and superb service, batches of products exported to Europe, America and Asia


The warranty will be 1 year. Free technical support would be provided by our engineer team.




Company Introduction:

Annual production capacity of 100,000 pieces, covers an area of 93,000 M2, plant area of 45, 000 M2; 3000 types of standards products
Technical team of 26 engineers; with 30 years technical accumulation, 4 of leading experts in the technical team were involved in documentation of the National Slewing Ring Standards
Three production branches, headquarter in Maanshan, with strong research and development capacity delivered by own Institute of Slewing Ring Research
Patent products: Elliptical Raceway Slewing Ring, Slewing Ring with Gear Hardness Gradient and Levelness Adjustable Slewing Ring
Strategic partner of many famous OEMS: HITACHI, AICHI, BAUER, XCMG, LIUGONG. Group, etc.
Honored as National Key Industry revitalization and technical reform subsidy for capital expenditure of the central government.


Tongli is a high-technology company, with a strong research and development capacity delivered
by our own Institute of Slewing Ring Research. Tongli has a strict quality control system.
Every  single slewing ring is inspected by many kinds of specialized equipments every day