61913
618 & 619 Series Thin Section Bearings
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Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
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61913 Bearing Product Overview & Core Advantages
The 61913 is a single row deep groove ball bearing designed for precision applications requiring high reliability and consistent performance. This metric bearing excels in handling primarily radial loads with its open design facilitating high-speed operation. Manufactured with chrome steel rings and balls combined with a stainless steel cage, it offers excellent durability and corrosion resistance. Its compact cross-section and P6 tolerance class make it ideal for applications demanding high rotational accuracy and dimensional stability.
61913 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 61913 | Standard designation for a single row deep groove ball bearing with 65mm bore, 90mm OD, and 13mm width |
| Open | No seals or shields, allowing for higher speeds and easier relubrication |
| P6 | Tolerance class indicating higher precision than normal grade |
| CN | Normal radial internal clearance group |
61913 Bearing Structural Features & Performance Benefits
Optimized Load Capacity: The deep groove raceway design enables efficient handling of radial dynamic load rating of 3912 lbf and radial static load rating of 3597 lbf, making it suitable for moderate to high load applications.
High-Speed Capability: With a limiting speed of 9,500 rpm and precision stainless steel cage, this bearing maintains stability and reduced vibration at high rotational speeds.
Precision Engineering: The P6 tolerance class ensures tight dimensional control with bore diameter tolerance of -0.012mm to 0 and outside diameter tolerance of -0.013mm to 0, providing exceptional running accuracy.
Material Excellence: Constructed from chrome steel for rings and balls with stainless steel cage, offering superior strength, wear resistance, and compatibility with various operating environments within the temperature range of -30° to 120°C.
61913 Bearing Typical Application Areas
The 61913 bearing finds extensive use in precision machinery and industrial equipment including:
- Electric motors and small generators
- Precision spindles in machine tools
- Industrial pumps and compressors
- Material handling equipment
- Automotive components and auxiliary systems
- Office automation equipment and precision instruments
