591/1000 M
1000 & 59000 Series Thin Section Thrust Ball Bearings
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Part No.
Part No.
591/1000 M
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
210 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
1000 mm
Bore diameter tolerance
-0.1mm to 0
Outside diameter
1180 mm
Outside diameter tolerance
-0.125mm to 0
Width
109 mm
Width tolerance
+0.08mm to -1.00mm
Chamfer dimension
5 mm
Ball & Washer Dimensions
Housing washer inner diameter
1006 mm
Shaft washer outer diameter
1174 mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
207675 lbf
Axial static load rating
2058750 lbf
Limiting speed
0.4 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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591/1000 M Bearing Product Overview & Core Advantages
The 591/1000 M is a metric thrust ball bearing engineered for heavy-duty axial load applications. This open-type bearing features a massive 1000 mm bore and is constructed from premium 52100 Chrome Steel for exceptional durability. Its primary advantage lies in its ability to support extremely high axial static load ratings exceeding 2 million lbf, making it a critical component for applications demanding robust, unidirectional thrust capacity in a compact design.
591/1000 M Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 591 | Designates the bearing series for thrust ball bearings with an asymmetrical spherical housing washer. |
| 1000 | Indicates the nominal bore diameter in millimeters (1000 mm). |
| M | Signifies that the bearing is made from copper-manganese alloy steel, offering high mechanical strength. |
591/1000 M Bearing Structural Features & Performance Benefits
- Unidirectional Thrust Capacity: Designed specifically to accommodate heavy axial loads in one direction, with an impressive axial static load rating of 2,058,750 lbf, ensuring stability under extreme force.
- Robust Material Construction: Rings and balls made from 52100 Chrome Steel provide high wear resistance and long service life. The stainless steel cage ensures reliable ball guidance and corrosion resistance.
- Precision Ground Washers: The housing washer (ID: 1006 mm) and shaft washer (OD: 1174 mm) are precision-ground to ensure optimal alignment and load distribution, critical for large-diameter thrust bearings.
- Open Design for Lubrication: The open seal type allows for efficient lubrication circulation and heat dissipation, which is essential for managing operational temperatures within the -30° to 110°C range.
591/1000 M Bearing Typical Application Areas
This thrust ball bearing is engineered for massive, slow-rotating machinery where substantial axial forces are present. Key industries and equipment include:
- Heavy-Duty Industrial Machinery: Vertical pumps, large gearboxes, and industrial mixers.
- Power Generation: Hydraulic turbines and generator thrust bearings.
- Marine & Offshore: Ship propeller shafts and deck machinery.
- Construction & Mining: Excavators, cranes, and other heavy equipment requiring high axial load support.
