1003
1000 & 59000 Series Thin Section Thrust Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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1003 Bearing Product Overview & Core Advantages
The 1003 is a metric thrust ball bearing engineered for applications requiring precise axial load handling. Designed as an open-type bearing, it facilitates direct lubrication for optimal performance in demanding conditions. Its compact design, featuring a 18 mm bore diameter and 35 mm outside diameter, provides a high load capacity within a minimal space envelope. Manufactured from 52100 Chrome Steel for both rings and balls, it ensures high durability and reliable operation, making it suitable for high-precision machinery where thrust load support is critical.
1003 Bearing Model Code Explained, Specifications & Naming Convention
The model number 1003 follows a standard designation for metric thrust ball bearings. While this specific model does not feature complex suffixes, its core specification defines its capabilities:
- 1003: Denotes a standard metric thrust ball bearing series with an 18mm bore and 35mm outside diameter.
- Open (Seal Type): Indicates the bearing is unsealed, allowing for custom lubrication schemes and higher limiting speeds, but requiring a clean operating environment or external sealing.
1003 Bearing Structural Features & Performance Benefits
The 1003's performance is derived from its fundamental thrust ball bearing design.
- High Axial Load Capacity: The bearing is specifically designed to accommodate heavy thrust loads, with a dynamic load rating of 565 lbf and a static load rating of 2746 lbf.
- Precision & Rigidity: Manufactured with tight tolerances on bore, outside diameter, and width, it ensures precise shaft positioning and high system rigidity.
- High-Speed Capability: The open design and Chrome Steel cage contribute to a high limiting speed of 9,740 rpm, suitable for rapid rotation applications.
- Material Integrity: Constructed entirely from 52100 Chrome Steel, the bearing offers excellent wear resistance and long service life under continuous axial dynamic load.
1003 Bearing Typical Application Areas
The 1003 thrust ball bearing is ideal for machinery and assemblies where the primary load is axial. Common applications include:
- Automotive steering systems
- Machine tool spindles
- Industrial pumps and compressors
- Precision gearboxes
- Agricultural machinery
