Thrust Ball Bearings 51100 and 51200 Series are designed to provide reliable axial load support in compact mechanical systems where installation space is limited and stable rotational performance is required. These single direction thrust ball bearings are widely used in industrial machinery, electric motors, pumps, gear assemblies, and automation equipment.
For overseas distributors, OEM manufacturers, and maintenance suppliers, selecting the right thrust bearing requires more than matching dimensions. Bearing load capacity, manufacturing accuracy, material quality, operating speed, lubrication conditions, and supply reliability all influence the final equipment performance.
Our 51100 and 51200 Series Thrust Ball Bearings offer a standardized solution for applications requiring accurate axial positioning, low friction operation, and dependable service life.
The 51100 and 51200 Series are single direction thrust ball bearings consisting of a shaft washer, housing washer, and ball cage assembly. The optimized internal structure enables the bearing to support axial loads along one direction while maintaining smooth and efficient rotation.
Key advantages include:
Compact structure: Ideal for equipment with limited installation space.
Reliable axial load capacity: Designed to handle continuous thrust forces.
Low friction performance: Precision raceway processing reduces rotational resistance.
Standardized dimensions: Easy replacement for OEM and maintenance applications.
Separable design: Simplifies installation, inspection, and replacement.
Compared with standard radial bearings, thrust ball bearings are specifically engineered to control axial movement and maintain shaft positioning under operating loads.
The 51100 and 51200 Series cover a wide range of sizes to meet different application requirements.
Typical configurations include:
| Series | Bearing Type | Main Feature | Typical Applications |
|---|---|---|---|
| 51100 Series | Single Direction Thrust Ball Bearing | Compact axial support | Small industrial equipment, motors |
| 51200 Series | Single Direction Thrust Ball Bearing | Higher load capacity | Machinery, gear systems, transmission equipment |
Available options:
Chrome steel bearing rings and balls (GCr15 / SAE 52100 equivalent)
Stainless steel versions for corrosion-sensitive environments
Different cage materials for various speed and temperature conditions
Grease or oil lubrication solutions
Customized packaging for distributors and OEM customers
For engineering projects, bearing selection should consider axial load, rotational speed, operating temperature, lubrication method, and required service life.
Due to their compact design and reliable axial performance, these bearings are widely used in multiple industries.
Support rotor positioning and reduce axial displacement caused by operating forces.
Handle axial forces generated by rotating components while maintaining smooth operation.
Provide accurate axial positioning and improve mechanical stability.
Used in precision mechanisms where controlled axial movement is required.
Suitable for compact actuators, mechanical assemblies, and positioning systems.
For international buyers, consistent bearing quality is essential for reducing equipment downtime and improving maintenance efficiency.
Our 51100 and 51200 Series thrust ball bearings are manufactured with strict quality control processes, including:
Dimensional accuracy inspection
Raceway surface finish testing
Ball roundness and precision measurement
Hardness testing of bearing components
Rotational torque inspection
Noise and vibration evaluation
These quality procedures ensure stable performance and reliable operation across different industrial applications.
For global customers, a professional bearing supplier should provide not only products but also technical support and supply reliability.
We support:
OEM Replacement Applications
Standardized dimensions allow easy integration into existing equipment designs.
Flexible Supply Capability
Suitable for wholesalers, distributors, and industrial equipment manufacturers requiring stable inventory support.
Technical Selection Assistance
Our team can help evaluate bearing specifications according to load conditions, speed requirements, and operating environments.
Export Packaging Solutions
Professional packaging ensures safe transportation for international shipments.
Choosing the correct thrust bearing helps improve equipment reliability, reduce maintenance costs, and extend mechanical service life.
Our Thrust Ball Bearings 51100 and 51200 Series provide dependable axial load support, compact installation solutions, and consistent performance for industrial applications worldwide.
Contact us for detailed specifications, OEM replacement solutions, bulk orders, and customized thrust bearing requirements.
| Inquiry | Bearing Number | Boundary Dimension（mm） | Basic load ratings (kN) | Limting Speeds(rpm) r/min | Mass/kg | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Cor | Grease | :) | (Approx.) | |||||||
