1118
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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1118 Bearing Product Overview & Core Advantages
The **1118 thrust ball bearing** is a **metric system**, **single-direction thrust** bearing engineered for applications requiring high **axial load capacity** and precision. Its **open design** facilitates direct lubrication access, while its construction from **52100 Chrome Steel** ensures durability and reliable performance. This bearing is specifically designed to accommodate **pure axial loads** in one direction, making it an optimal choice for scenarios demanding robust **thrust support** with precise dimensional tolerances. Its **compact design** and high **load ratings** provide excellent performance in constrained spaces.
1118 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Interpretation | Technical Significance |
|---|---|---|
| 1118 | Basic Model Number | Indicates a metric, single-direction thrust ball bearing with a 90mm bore, 135mm OD, and 30.5mm width. |
| Open (No Seal) | Seal Type | No integrated seals; allows for custom lubrication schemes and higher speed potential in clean environments. |
1118 Bearing Structural Features & Performance Benefits
- High Axial Load Capacity: Designed to handle significant pure thrust loads, with a dynamic load rating of 6740 lbf and a static load rating of 55470 lbf, ensuring reliable operation under demanding conditions.
- Precision Engineering: Features tight dimensional tolerances on the bore diameter and outside diameter for precise fit and alignment in assemblies.
- Robust Material Construction: Manufactured from 52100 Chrome Steel for rings and balls, providing high hardness, wear resistance, and long service life.
- Optimized for Lubrication: The open seal type design allows for efficient application and replenishment of lubricant, which is critical for maintaining performance and extending bearing life, especially at the limiting speed of 2,460 rpm.
- Compliance & Safety: Meets ROHS and REACH standards, ensuring environmental compliance and safety for various industrial applications.
1118 Bearing Typical Application Areas
- Industrial Machinery: Vertical pumps, machine tool spindles, and gearboxes where high axial loads are present.
- Automotive Systems: Clutch release bearings and steering column assemblies.
- Power Transmission: Thrust positions in worm gear reducers and other speed reduction equipment.
- General Engineering: Any application requiring reliable, single-direction axial load support with standard bearing dimensions.
