51212
51200 Series Single Direction Thrust Ball Bearings
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Part No.
Part No.
51212
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
0.65 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
60 mm
Bore diameter tolerance
-0.015mm to 0
Outside diameter
95 mm
Outside diameter tolerance
-0.02mm to 0
Width
26 mm
Width tolerance
+0.02mm to -0.3mm
Chamfer dimension
1 mm
Ball & Washer Dimensions
Housing washer inner diameter
62 mm
Shaft washer outer diameter
95 mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
13320 lbf
Axial static load rating
31500 lbf
Limiting speed
3.8 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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51212 Bearing Product Overview & Core Advantages
The 51212 is a metric thrust ball bearing engineered for demanding applications requiring precise axial load handling. This precision bearing is designed to accommodate high thrust loads in a single direction while maintaining stable operation. Its construction from 52100 Chrome Steel ensures high durability and wear resistance, making it an ideal component for high-rigidity assemblies where space is constrained. The open design facilitates efficient lubrication management, contributing to its reliable performance in various industrial environments.
51212 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 51212 | Basic model number indicating a thrust ball bearing with 60mm bore diameter |
| Open | No seals or shields, allowing for direct lubrication access and optimal heat dissipation |
51212 Bearing Structural Features & Performance Benefits
- High Load Capacity: Engineered to handle significant axial dynamic load rating of 13,320 lbf and axial static load rating of 31,500 lbf, ensuring reliable performance under heavy thrust conditions.
- Precision Engineering: Features tight dimensional tolerances (bore: -0.015mm to 0, outside diameter: -0.02mm to 0) for exact fitment and high-precision alignment in critical applications.
- Optimized Material Selection: Utilizes 52100 Chrome Steel for rings and balls with stainless steel cage, providing excellent corrosion resistance and dimensional stability across the operating temperature range of -30° to 110°C.
- Space-Efficient Design: With compact bearing dimensions of 60mm bore × 95mm OD × 26mm width, it offers high load density in minimal space.
51212 Bearing Typical Application Areas
- Industrial Machinery: Thrust load applications in machine tools, presses, and injection molding equipment
- Automotive Systems: Steering mechanisms, clutch release bearings, and transmission components
- Power Transmission: Gearboxes, worm reducers, and other speed reduction units requiring axial load support
- Material Handling: Crane hooks, lifting equipment, and vertical shaft applications
- General Engineering: Any application demanding reliable thrust bearing performance with precise bearing specifications
