Multiple Bearing Series

Micro, standard, heavy-duty series thrust ball bearings

Spot Goods+Customized Services

Standard models are in stock with quick delivery. We provide OEM and ODM custom development for non-standard bearings.

Engineering Support

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

Quality Control

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

Model:

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51 Series
51 Series
51 Series

Product Parameters

Send Inquiry Part Number d D B R Weight(Kg) Dynamic Load Co(N) Static Load Cor(N) Grease Speed Oil Speed
51114 70 95 18 0.6 0.330 48000 13200 2100 3000
51115 75 100 19 1 0.380 44200 13400 2000 2800
51116 80 105 19 1 0.400 44900 140000 1900 2700
51200 10 26 11 0.6 0.028 12700 17100 5700 8000
51201 12 28 11 0.6 0.034 13200 19000 5400 8300
51202 15 32 12 0.6 0.044 16700 24800 4800 6700
51203 17 35 12 0.6 0.053 17200 27200 4500 6300
51204 20 40 14 0.6 0.075 22200 37500 3800 5300
51205 25 47 15 0.6 0.110 27800 50500 3400 4800
51206 30 52 16 0.6 0.137 29500 58000 3000 4300
51207 35 62 18 1 0.210 39500 78000 2600 3800
51208 40 68 19 1 0.270 47500 98400 2800 4300
51209 45 73 20 1 0.310 48000 105000 2600 4000
51210 50 78 22 1 0.370 54200 120000 2000 3000

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

51 Series Types & Specifications

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

Bearing Steel

Bearing steel (typical GCr15) is a special high-carbon chromium steel for bearing rings and balls, featuring uniform high hardness, great wear resistance and rolling contact fatigue strength.

Stainless Steel

Stainless steel bearings are made of stainless steel material and have excellent rust and corrosion resistance, suitable for low-speed to medium speed operation in humid and mildly corrosive environments.

Ceramics

Ceramic bearings are made of silicon nitride ceramic balls paired with steel or ceramic rings, which are lightweight, insulated, heat-resistant, and corrosion-resistant, suitable for high-speed, lightweight, and insulated working conditions

Customized

Support ODM small batch customization

Stamped steel retaining frame

Made of steel plate stamping, with good strength, heat resistance, and high cost-effectiveness

Brass retaining frame

Excellent wear resistance and toughness, suitable for high-speed operation, and good anti vibration performance

Nylon cage

Lightweight and low-noise, excellent shock absorption, commonly used in medium temperature and medium high speed bearing conditions.

Custom

Application-specific configuration for OEM requirements

Bore Match

the required shaft diameter and fit

Outside Diameter

Match the available housing space

Width Check

available axial installation space

Load Rating

Evaluate dynamic and static capacity under load

Thrust Ball 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.

01

Material

02

Machining

03

Heat Treatment

04

Grinding

05

Finishing

06

Assembly

07

Lubrication

08

Inspection

Custom 51 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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Thrust Ball Bearings Selection & Applications

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

Selection criteria

Selection criteria

Match suitable bearing structures based on load type, speed, space limitations, accuracy, and environment. Considering radial/axial load-bearing capacity, friction coefficient, allowable temperature rise, and sealing method, we can help you narrow down the selection range.

Industry application scenarios

Industry application scenarios

Adapt to equipment from multiple industries, ranging from precision automation, robotics, medical instruments to conveying and packaging machinery. Provide supporting bearing solutions for special needs such as cleanliness, high speed, and corrosion prevention in different industries

Select according to working conditions

Select according to working conditions

Targeting harsh working conditions such as corrosive environments, high-speed operation, dust and water resistance, and high and low temperatures. Provide selection of stainless steel, ceramic, sealed, and maintenance free bearings。

Common Applications

Electric Motors

Electric Motors

Rotating shafts in motors, fans, and generators.

Pumps

Pumps

Reliable radial support and continuous operation.

Gearboxes

Gearboxes

Transmission components in power systems.

Automation & Robotics

Automation & Robotics

Compact mechanisms and high-speed motion.

Agricultural Machinery

Agricultural Machinery

Rotating assemblies under demanding conditions.

Industrial Equipment

Industrial Equipment

Fans, compressors, conveyors, and machinery.

Need the Right 51 Series?

Share your 51 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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