1308KC3
1300 Series Self Aligning Ball Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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1308KC3 Bearing Product Overview & Core Advantages
The 1308KC3 is a double row angular contact ball bearing designed for exceptional performance in demanding applications. This metric bearing features a tapered bore (1:12) for secure mounting on adapter sleeves or withdrawal sleeves, ensuring precise shaft fixation. Its double row design provides high rigidity and the ability to accommodate combined loads—significant radial forces and axial loads in both directions simultaneously. Manufactured with chrome steel rings and balls, and a lightweight nylon cage, it is engineered for high-speed operation and reliable performance, making it ideal for high-precision machinery requiring robust support.
1308KC3 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 1308 | Standard bearing designation indicating the bearing size: 40 mm bore, 90 mm OD, 23 mm width. |
| K | Denotes a tapered bore with a 1:12 ratio. |
| C3 | Specifies a greater radial internal clearance than normal (C0), suitable for applications with thermal expansion or where interference fits are used. |
1308KC3 Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row ball construction provides superior stiffness, enabling the bearing to handle significant radial dynamic loads (7605 lbf) and static loads (2520 lbf), as well as bidirectional axial loads.
- Optimized High-Speed Performance: The lightweight nylon cage reduces centrifugal forces, contributing to a high limiting speed of 9,500 rpm. The open design allows for efficient lubrication and heat dissipation.
- Precision Tapered Bore: The 1:12 tapered bore ensures a tight, concentric fit on the shaft when used with appropriate sleeves, minimizing slippage and vibration in high-torque applications.
- Enhanced Operational Range: With a temperature range of -30°C to 110°C and pre-lubrication, the bearing is ready for immediate use in a wide array of industrial environments.
1308KC3 Bearing Typical Application Areas
This precision bearing is ideally suited for applications requiring high rigidity, speed, and reliability. Common uses include:
- Electric Motors and Gearboxes
- Industrial Pumps and Compressors
- Material Handling Equipment
- Agricultural Machinery
- Vibrating Screens and other equipment with C3 clearance requirements.
