Multiple Bearing Series

Full range of spherical plain bearings: GE, GEG, GAC, GX, rod end & self-lubricating types for oscillation, misalignment and combined loads.

OEM & Custom Support

OEM & custom solutions available. Material, dimension, seal and surface treatment can be adjusted as required.

Engineering Support

Technical assistance for bearing selection, replacement, specification review, and custom projects.

Quality Control

Controlled processing, assembly, inspection, and testing throughout production.

Model:

Product Images

SA Series
SA Series
SA Series

Product Parameters

Send Inquiry Part Number d D B L Weight(Kg) Dynamic Load Co(N) Static Load Cor(N)
SA5T/K 5 M5*0.8 8 42 0.013 5700 6000
SA6T/K 6 M6*1.0 9 46 0.02 7200 7650
SA8T/K 8 M8*1.25 12 54 0.038 11600 12900
SA10T/K 10 M10*1.5 14 62 0.055 14500 18000
SA12T/K 12 M12*1.75 16 70 0.85 17000 24000
SA14T/K 14 M14*2 19 78 0.14 24000 31000
SA16T/K 16 M16*2 21 87 0.21 28500 39000
SA18T/K 18 M18*1.5 23 94 0.29 42500 47500
SA20T/K 20 M20*1.5 25 103 0.38 42500 57000
SA22T/K 22 M22*1.5 28 111 0.48 57000 68000
SA25T/K 25 M24*2 31 124 0.64 68000 85000
SA28T/K 28 M27*2 35 136 0.8 86000 107000
SA30T/K 30 M30*2 37 145 1.1 88000 114000
SA35T/K 35 M36*2 43 180.5 1.64 90000 120000

Custom OEM Support

Need Custom Bearing Solutions?

Send us your drawings, samples, or project requirements for a fast evaluation and customized bearing solution.

Request a Quote

Fast response from our engineering team

SA Series Types & Specifications

Available in different sizes, sealing configurations, clearance, materials, and lubrication options to meet operating requirements.

SA

SA

Equipped with an external threaded handle, it can directly connect to connecting rods and compensate for angular deviations. It is commonly used in hydraulic and engineering machinery hinge mechanisms.

SI

SI

Built in internal threaded hole, convenient for connecting rod assembly, can compensate for angle deviation, and is commonly used in hydraulic and engineering machinery hinge parts.

GE

GE

Mainly capable of bearing radial loads and compensating for installation angle deviations, it is the most widely used basic joint bearing.

Customized

Customized

Material options evaluated for specific environmental or performance characteristics.

Open Type

Open type, easy for greasing, used in clean and dry environments.

Rubber Lip Seal

NBR rubber lip seal, blocks splash water and dust, retains grease, standard type.

Double Compound Seal

Double protection with steel shield + rubber seal, resist mud and sand, ideal for construction & agricultural machinery.

V-Ring Seal

Axial auxiliary seal mounted on bearing end, against splash water, tolerates minor shaft misalignment.

Bore Size

Shaft mating diameter, primary parameter for selection.

Outer Diameter

Outer ring diameter, defines required mounting space.

Inner Ring Width

Axial width of inner ring, affects load capacity.

Permissible Oscillation Angle

Maximum angular misalignment the bearing can compensate.

Spherical Plain Bearings Manufacturing and Inspection

We control critical manufacturing processes from component preparation to final assembly and inspection to support consistent bearing quality and performance.

Material Inspection

Material Inspection

Raw materials are strictly inspected upon incoming to secure product quality.

Dimensional Inspection

Dimensional Inspection

Full dimensional inspection of finished products, strictly controlling geometric tolerances to ensure bearing dimensional accuracy meets design specifications.

Surface Inspection

Surface Inspection

Full visual inspection for all workpieces to eliminate scratches, rust, dents and other surface defects, ensuring intact bearing appearance.

Final Inspection

Final Inspection

Final full re-inspection before shipment, verifying specifications, packaging and documents to deliver qualified products to customers.

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Material

02

Machining

03

Heat Treatment

04

Grinding

05

Finishing

06

Assembly

07

Lubrication

08

Inspection

Custom SA Series Solutions for OEM Applications

When standard bearings cannot meet your equipment requirements, our engineering team works with you to develop customized bearing solutions from initial concept and prototype evaluation to production delivery.

Engineering Review & Design Support

Engineering Review & Design Support

We evaluate your application requirements, drawings, samples, and technical specifications to recommend suitable bearing structures and manufacturing solutions.

Prototype Development

Prototype Development

From initial samples to validation builds, we support prototype development to help verify dimensions, performance, and compatibility before mass production.

Non-Standard Bearing Manufacturing

Non-Standard Bearing Manufacturing

We manufacture customized bearings based on specific project requirements, including special dimensions, configurations, materials, and performance requirements.

Production Scaling & Quality Control

Production Scaling & Quality Control

After approval, customized products can be transferred into stable production with controlled manufacturing processes and inspection procedures to ensure consistent quality.

One-Stop Precision Bearing Manufacturing

Specializing in precision bearing manufacturing, we integrate R&D, precision processing, quality inspection, customized production, fast delivery and after-sales support to form a complete one-stop bearing manufacturing system. Equipped with high-precision production and testing equipment, our modern workshop realizes full in-house control from raw material processing and precision machining to finished product inspection and packaging. We provide standard bearing mass production and non-standard customization services, adapting to various working conditions for machinery, automation, new energy, medical and engineering industries. With one-on-one full-process service, we deliver stable, efficient and reliable one-stop bearing solutions for global customers.

  1. 15+ YEARS OF EXPERIENCE
  2. 7850 ㎡ FACTORY AREA
  3. 10,000+ REGUIAR MODELS IN STOCK
  4. OEM/ODMFULL CUSTOM SERVICE
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Spherical Plain Bearings Selection & Applications

Select bearings according to shaft and housing dimensions, load and speed, temperature, environment, clearance, sealing, and lubrication.

Oscillation Angle

Oscillation Angle

Check maximum oscillation angle. Spherical plain bearings compensate mounting misalignment, allowable angle varies by model.

Working Environment

Working Environment

For dusty, humid and corrosive conditions, select self-lubricating or anti-corrosion treated spherical plain bearings.

Installation structure

Installation structure

Direct assembly: GE radial spherical plain bearings. Linkage hinge: SI/SA rod end bearings.

Common Applications

Automotive & Commercial Vehicles

Automotive & Commercial Vehicles

Automotive & commercial vehicles, suspension and steering links for vibration absorption & misalignment compensation.

Agricultural Machinery

Agricultural Machinery

Agricultural machinery, for connecting rods and oscillating mechanisms, resistant to dust and impact.

Construction Machinery

Construction Machinery

Construction machinery, applied in hydraulic cylinders and hinge arms to absorb oscillation & misalignment.

Hydraulic Systems

Hydraulic Systems

Hydraulic equipment, hinge points of cylinders, enabling angular movement under combined loads.

Rail Transit

Rail Transit

Rail transit, carriage hinges and shock-absorbing supports for stable alternating load.

Wind Power

Wind Power

Wind power equipment, for pitch and yaw hinge joints under heavy alternating loads.

Need the Right SA Series?

Share your SA Series number, dimensions, drawing, sample, or application requirements. Our engineering team will help review your information and identify a suitable solution.

Start Your Bearing Project with a Reliable Manufacturing Partner

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