Slewing Ring & Turntable Bearing Manufacturer

About Shanghai Yinuo Machinery

Founded in 1993, Shanghai Yinuo Machinery Co., Ltd. is a leading manufacturer and supplier of slewing rings, slewing bearings, and turntable bearings in China.

With over 30 years of experience, our factory spans 60,000 square meters, including a 35,000 m² workshop, and employs 350 skilled professionals. We produce 25,000 sets of small and medium slewing rings annually, along with 2,000 heavy-duty units.

Our innovative slewing ring design delivers 30% higher load capacity, doubles service life, and reduces purchase costs by over 30%. Trusted by industry leaders like XCMG, Liugong Group, Hitachi, Zoomlion, and BAUERU.

Learn More on Official Site

22+ Years

Industrial Expertise

Our Slewing Ring Products

Custom-engineered for performance, durability, and cost-efficiency

Single Row Ball Bearing

Ideal for light to medium loads with high rotational accuracy.

Double Row Roller Bearing

Enhanced radial and axial load capacity for heavy-duty applications.

Three Row Roller Bearing

Maximum load capacity for extreme conditions like tunnel boring.

Turntable Bearing

Precision-engineered for rotary tables and positioning systems.

Outer Gear Type

External teeth for direct drive integration in cranes and excavators.

Inner Gear Type

Internal gearing for compact design and protection from debris.

Non-Geared Type

Smooth rotation for applications requiring external drive systems.

Custom Slewing Rings

Fully customizable designs based on your drawings and specifications.

Wind Turbine Bearings

High-reliability units for yaw and pitch control systems.

Robotics Bearings

Precision slewing rings for robotic arms and automation systems.

Solar Tracking Bearings

Durable turntable bearings for solar power tracking systems.

Radar & Satellite Bearings

High-precision, low-backlash slewing rings for antenna systems.

Why Choose Our Bearings?

30% Higher Load Capacity

Engineered for superior strength and durability under extreme conditions.

Doubled Service Life

Advanced materials and heat treatment extend operational lifespan.

30% Cost Savings

Reduce procurement costs without compromising on quality or performance.

1993

Founded

60K

m² Factory

350+

Employees

25K+

Annual Output

Frequently Asked Questions

Can you manufacture custom slewing rings?

Yes, we support full customization based on customer drawings and technical requirements, including non-geared, outer gear, and inner gear types.

What materials are used in your bearings?

We use high-grade alloy steels with advanced heat treatment processes to ensure durability, load capacity, and resistance to wear.

Which industries use your slewing rings?

Our products are used in excavators, cranes, wind turbines, tunnel boring machines, robotics, solar trackers, radar systems, medical devices, and more.

How do your bearings reduce costs?

Our design improves load capacity by 30%, doubles service life, and reduces purchase costs by over 30% compared to standard models.

Do you export globally?

Yes, we serve clients worldwide and have supplied to major companies including XCMG, Liugong, Hitachi, Zoomlion, and BAUERU.

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