51307
51300 & 51400 Series Heavy Duty Thrust Ball Bearings
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Part No.
Part No.
51307
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
0.39 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
35 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
68 mm
Outside diameter tolerance
-0.015mm to 0
Width
24 mm
Width tolerance
+0.02mm to -0.25mm
Chamfer dimension
1 mm
Ball & Washer Dimensions
Housing washer inner diameter
37 mm
Shaft washer outer diameter
68 mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
11115 lbf
Axial static load rating
21712 lbf
Limiting speed
4.8 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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51307 Bearing Product Overview & Core Advantages
The 51307 is a metric thrust ball bearing engineered for demanding applications requiring high axial load capacity and precision operation. This open-type bearing is designed to accommodate thrust loads in a single direction, offering a compact and robust solution. Manufactured from high-grade 52100 Chrome Steel for both rings and balls, it ensures excellent durability and wear resistance. Its high axial dynamic load rating and limiting speed make it suitable for high-performance systems where reliability is critical.
51307 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 51307 | Standard metric thrust ball bearing designation, indicating the basic size series. |
| Open (Seal Type) | No integral seals or shields, allowing for higher speed operation and custom lubrication schemes. Requires a clean operating environment. |
51307 Bearing Structural Features & Performance Benefits
- High Axial Load Capacity: The robust design, featuring hardened 52100 Chrome Steel components, provides a high axial dynamic load rating of 11115 lbf and an axial static load rating of 21712 lbf, ensuring reliable performance under significant thrust forces.
- Precision & Rigidity: Manufactured with tight dimensional tolerances on the bore diameter, outside diameter, and width, this bearing delivers precise positioning and high system rigidity.
- High-Speed Capability: The stainless steel cage and open design contribute to a high limiting speed of 4,800 rpm, making it suitable for applications requiring rapid rotation.
- Durability & Compliance: The use of high-quality materials and compliance with ROHS and REACH standards ensures long service life and environmental safety.
51307 Bearing Typical Application Areas
This bearing is ideally suited for machinery and systems that experience high unidirectional axial loads, including:
- Automotive: Thrust applications in transmissions and steering systems.
- Industrial Machinery: Heavy-duty thrust load positions in machine tools, presses, and gearboxes.
- Power Transmission: Applications within pumps and compressors.
- Precision Equipment: Where accurate axial location and high load capacity are required.
