51210
51200 Series Single Direction Thrust Ball Bearings
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Part No.
Part No.
51210
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
0.37 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
50 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
78 mm
Outside diameter tolerance
-0.015mm to 0
Width
22 mm
Width tolerance
+0.02mm to -0.25mm
Chamfer dimension
1 mm
Ball & Washer Dimensions
Housing washer inner diameter
52 mm
Shaft washer outer diameter
78 mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
11115 lbf
Axial static load rating
26100 lbf
Limiting speed
4.5 X 1000 rpm
Materials
Ring material
52100 Chrome Steel
Ball material
52100 Chrome Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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51210 Bearing Product Overview & Core Advantages
The 51210 thrust ball bearing is a metric single-direction thrust bearing engineered for applications requiring high-precision axial load support. Its primary function is to accommodate heavy thrust loads in one direction while maintaining precise axial positioning. Manufactured from 52100 Chrome Steel for both rings and balls, it delivers excellent durability and wear resistance. This bearing is characterized by its high axial dynamic and static load ratings and is designed for reliable operation within a defined temperature range, making it a robust solution for demanding industrial environments.
51210 Bearing Model Code Explained, Specifications & Naming Convention
The model number 51210 follows a standard industry designation for metric thrust ball bearings. Here is a breakdown:
- 5: Indicates a thrust ball bearing type.
- 1: Denotes the light series, defining the cross-section.
- 210: Specifies the bore diameter. The last two digits multiplied by 5 give the bore in millimeters (10 * 5 = 50 mm).
- Seal type: Open: The bearing is supplied without seals or shields, allowing for higher limiting speeds and facilitating custom lubrication schemes.
51210 Bearing Structural Features & Performance Benefits
- High Load Capacity: The design is optimized to handle significant axial dynamic load ratings of 11115 lbf and axial static load ratings of 26100 lbf, providing reliable performance under substantial thrust forces.
- Precision Engineering: Features tight dimensional tolerances on the bore, outside diameter, and width, ensuring precise shaft and housing fits for accurate axial positioning and minimal runout.
- Durable Construction: The use of 52100 Chrome Steel for rings and balls, combined with a stainless steel cage, provides high resistance to wear and corrosion, contributing to a long service life.
- High-Speed Capability: The open design and stainless steel cage contribute to a limiting speed of 4,500 rpm, making it suitable for various high-speed applications.
51210 Bearing Typical Application Areas
This thrust ball bearing is ideally suited for machinery and systems that experience high unidirectional axial loads. Common applications include:
- Automotive: Steering systems, clutches.
- Industrial Machinery: Vertical pumps, machine tool spindles, gearboxes.
- Power Transmission: Thrust assemblies in heavy-duty equipment.
- Agricultural Equipment: Drivetrains and power take-offs (PTOs).
