591/670 F
1000 & 59000 Series Thin Section Thrust Ball Bearings
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Part No.
Part No.
591/670 F
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
74 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
670 mm
Bore diameter tolerance
-0.075mm to 0
Outside diameter
800 mm
Outside diameter tolerance
-0.075mm to 0
Width
78 mm
Width tolerance
+0.07mm to -0.75mm
Chamfer dimension
4 mm
Ball & Washer Dimensions
Housing washer inner diameter
675 mm
Shaft washer outer diameter
795 mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
121500 lbf
Axial static load rating
933750 lbf
Limiting speed
0.7 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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591/670 F Bearing Product Overview & Core Advantages
The 591/670 F is a metric thrust ball bearing engineered for heavy-duty axial load applications. This bearing is designed to accommodate unidirectional thrust loads with high precision and reliability. Its robust construction, utilizing 52100 Chrome Steel for rings and balls, ensures exceptional durability and performance in demanding industrial environments. The open design allows for high-speed operation when adequately lubricated, making it a critical component for applications requiring substantial axial force transmission.
591/670 F Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| 591 | Indicates the bearing series for thrust ball bearings. |
| 670 | Specifies the bore diameter in millimeters (670 mm). |
| F | Denotes a machined brass cage, which provides high strength and is suitable for high-speed applications. |
591/670 F Bearing Structural Features & Performance Benefits
- High Load Capacity: Engineered with a 52100 Chrome Steel construction for both rings and balls, this bearing delivers a high axial dynamic load rating of 121,500 lbf and an exceptional axial static load rating of 933,750 lbf, making it ideal for sustaining significant thrust forces.
- Precision Performance: Features tight dimensional tolerances on the bore diameter and outside diameter, ensuring precise fit and reliable operation in critical machinery.
- High-Speed Capability: The inclusion of a stainless steel cage (as per material spec) contributes to stability and allows for a limiting speed of 0.7 x 1000 rpm, suitable for various rotational applications.
- Durability & Compliance: The bearing is compliant with ROHS and REACH standards, ensuring environmental safety and material quality. Its operational temperature range of -30°C to 110°C provides versatility across different working conditions.
591/670 F Bearing Typical Application Areas
This thrust ball bearing is ideally suited for heavy machinery and industrial systems requiring robust axial load support, including:
- Heavy-Duty Thrust Applications in industrial gearboxes and power transmission systems.
- Large Vertical Pumps and Compressors where significant axial forces are present.
- Cranes and Hoisting Equipment for managing vertical loads.
- Marine Propulsion Systems and other high-torque, low-speed machinery.
