51152 M
51100 & 51000 Series Single Direction Thrust Ball Bearings
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Part No.
Part No.
51152 M
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
8.1 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
260 mm
Bore diameter tolerance
-0.035mm to 0
Outside diameter
320 mm
Outside diameter tolerance
-0.04mm to 0
Width
45 mm
Width tolerance
+0.04mm to -0.4mm
Chamfer dimension
1.5 mm
Ball & Washer Dimensions
Housing washer inner diameter
263 mm
Shaft washer outer diameter
317 mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
53550 lbf
Axial static load rating
247500 lbf
Limiting speed
1.5 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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51152 M Bearing Product Overview & Core Advantages
The 51152 M is a metric thrust ball bearing engineered for demanding applications requiring exceptional axial load capacity and reliable performance. This open-type bearing is designed specifically to accommodate heavy thrust loads in a single direction. Manufactured from high-grade 52100 Chrome Steel for both rings and balls, it delivers superior durability and long service life. Its compact design, combined with a high axial static load rating of 247,500 lbf, makes it an ideal choice for high-stress environments where space is at a premium and reliability is paramount.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 51152 | Basic model number denoting a thrust ball bearing with a 260mm bore and 320mm outside diameter. |
| M | Signifies that the bearing is manufactured to metric dimensions and tolerances. |
51152 M Bearing Structural Features & Performance Benefits
- High Axial Load Capacity: The bearing's geometry and use of 52100 Chrome Steel balls and rings are optimized to handle significant thrust loads, with a dynamic rating of 53,550 lbf and a robust static rating of 247,500 lbf.
- Precision Engineering: Features tight dimensional tolerances on the bore diameter, outside diameter, and width for precise fitment and stable operation in assembled machinery.
- Durable Cage Construction: The stainless steel cage provides excellent strength and corrosion resistance, ensuring stable ball guidance and reliable performance at the limiting speed of 1,500 rpm.
- Wide Operating Temperature Range: Suitable for use in environments from -30°C to 110°C, offering versatility across various industrial applications.
- Compliant Material: The bearing is ROHS and REACH compliant, meeting international standards for restricted substances.
51152 M Bearing Typical Application Areas
This thrust ball bearing is ideally suited for machinery and systems that experience high unidirectional axial forces. Common applications include:
- Heavy-Duty Thrust Assemblies in industrial gearboxes and power transmission systems
- Vertical Pumps and Compressors for handling axial shaft loads
- Construction and Mining Equipment such as crane hooks and slewing rings
- Presses and Stamping Machines requiring high thrust capacity
- Marine and Offshore Equipment for steering mechanisms and propulsion systems
