51122
51100 & 51000 Series Single Direction Thrust Ball Bearings
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Part No.
Part No.
51122
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
1.05 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
110 mm
Bore diameter tolerance
-0.02mm to 0
Outside diameter
145 mm
Outside diameter tolerance
-0.025mm to 0
Width
25 mm
Width tolerance
+0.025mm to -0.3mm
Chamfer dimension
1 mm
Ball & Washer Dimensions
Housing washer inner diameter
112 mm
Shaft washer outer diameter
145 mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
18720 lbf
Axial static load rating
64125 lbf
Limiting speed
3.2 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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51122 Bearing Product Overview & Core Advantages
The 51122 is a metric thrust ball bearing engineered for applications requiring high-precision axial load support. This thrust bearing is characterized by its ability to accommodate heavy thrust loads in a single direction, making it an ideal solution for high-rigidity, low-friction assemblies. Its open design facilitates efficient lubrication management, while its precision-ground components ensure reliable performance in demanding operational environments.
51122 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 51122 | Standard designation for a metric thrust ball bearing with a 110mm bore diameter. |
| Open (Seal Type) | No integral seals or shields, allowing for custom lubrication schemes and maximum heat dissipation. |
51122 Bearing Structural Features & Performance Benefits
- High Load Capacity: Manufactured from 52100 Chrome Steel rings and balls, this bearing delivers a high axial dynamic load rating of 18,720 lbf and an exceptional axial static load rating of 64,125 lbf for robust performance under significant thrust forces.
- Precision & Stability: Features tight dimensional tolerances on the bore diameter and outside diameter for precise shaft and housing fits, ensuring minimal runout and stable operation.
- Durability & Corrosion Resistance: The stainless steel cage provides excellent strength and corrosion resistance, contributing to the bearing's longevity and reliability, even in challenging environments.
- Optimized for Speed: With a limiting speed of 3,200 rpm, the bearing is suitable for a wide range of industrial applications requiring moderate rotational velocities.
51122 Bearing Typical Application Areas
This thrust ball bearing is commonly specified in machinery and systems where heavy axial loads are predominant. Key applications include:
- Industrial Gearboxes and thrust arrangements
- Automotive Steering Systems
- Heavy-Duty Pumps and compressors
- Machine Tool Spindles and indexing heads
- Cranes and other lifting equipment
