591/800 M
1000 & 59000 Series Thin Section Thrust Ball Bearings
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Part No.
Part No.
591/800 M
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
110 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
800 mm
Bore diameter tolerance
-0.075mm to 0
Outside diameter
950 mm
Outside diameter tolerance
-0.1mm to 0
Width
90 mm
Width tolerance
+0.07mm to -0.75mm
Chamfer dimension
4 mm
Ball & Washer Dimensions
Housing washer inner diameter
805 mm
Shaft washer outer diameter
945 mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
171225 lbf
Axial static load rating
1473750 lbf
Limiting speed
0.6 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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591/800 M Bearing Product Overview & Core Advantages
The 591/800 M is a metric thrust ball bearing engineered for demanding heavy-duty axial load applications. This open-type bearing is characterized by its exceptionally large bore diameter of 800 mm and robust construction, designed to accommodate high thrust loads in a single direction. Its primary advantages include a high axial static load rating of 1,473,750 lbf and a precision-grade dimensional tolerance, ensuring reliable performance and stable operation in heavy machinery. Manufactured from 52100 Chrome Steel for the rings and balls, it offers excellent durability and wear resistance.
591/800 M Bearing Model Code Explained, Specifications & Naming Convention
The model designation 591/800 M can be broken down as follows:
- 591: The basic series designation for a thrust ball bearing with a flat seating washer and a large contact angle.
- 800: Indicates the bore diameter in millimeters (800 mm).
- M: Signifies that the bearing is manufactured to metric system dimensions and tolerances.
591/800 M Bearing Structural Features & Performance Benefits
- High Load Capacity: The bearing's design is optimized to handle extremely high axial dynamic and static loads. The use of high-purity 52100 Chrome Steel for the load-bearing components ensures maximum strength and fatigue life under severe operating conditions.
- Precision & Stability: Tight dimensional tolerances on the bore, outside diameter, and width guarantee precise shaft and housing fits, contributing to high running accuracy and system stability.
- Durable Cage Design: The stainless steel cage provides superior strength and corrosion resistance, ensuring reliable ball guidance and consistent performance, even at the specified limiting speed.
- Optimized for Heavy Applications: With a substantial weight of 110 kg, the bearing is built for large-scale industrial equipment where thrust load support is the primary function.
591/800 M Bearing Typical Application Areas
The 591/800 M thrust ball bearing is ideally suited for applications involving very high axial forces and low to moderate speeds. Key industries and machinery include:
- Heavy-Duty Industrial Gearboxes and power transmission systems.
- Large Vertical Pumps and Hydraulic Turbines.
- Cranes and Hoisting Equipment for supporting axial loads.
- Extruders and Injection Molding Machines.
- Mining and Construction Machinery requiring robust thrust support.
