1204C4
1200 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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1204C4 Bearing Product Overview & Core Advantages
The 1204C4 is a double row angular contact ball bearing designed for applications requiring high precision and reliable performance. This metric bearing features an open construction that facilitates optimal lubrication flow and heat dissipation. Its primary advantage lies in its ability to handle significant radial loads while maintaining stable operation. The bearing is pre-lubricated and features a C4 radial internal clearance, making it suitable for applications with potential thermal expansion or where higher operational speeds are required. Its compact design, with a 20 mm bore and 47 mm outside diameter, offers a space-saving solution without compromising on load capacity or performance.
1204C4 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 1204 | Standard bearing designation indicating a double row angular contact ball bearing with 20 mm bore diameter and 47 mm outside diameter. |
| C4 | Specifies greater radial internal clearance than normal (C0), suitable for applications with thermal expansion or where interference fits are used. |
1204C4 Bearing Structural Features & Performance Benefits
- Double Row Design: Provides high rigidity and superior load carrying capacity compared to single row bearings, making it ideal for applications with significant radial loads.
- Nylon Cage: The cage material offers reduced friction, lower noise operation, and excellent performance at moderate speeds, contributing to the bearing's limiting speed of 20,000 rpm.
- C4 Radial Clearance: The greater internal clearance accommodates thermal expansion during high-speed operation and compensates for tight interference fits, ensuring consistent performance.
- Chrome Steel Construction: Both rings and balls are made from high-grade chrome steel, providing excellent wear resistance, durability, and long service life under demanding conditions.
- Pre-lubricated: Comes with factory-applied lubrication, ready for immediate use and ensuring smooth operation from startup.
1204C4 Bearing Typical Application Areas
- Electric Motors and Small Gearboxes requiring compact, high-capacity bearings
- Industrial Pumps and Compressors where radial load capacity is critical
- Material Handling Equipment with moderate speed requirements
- Agricultural Machinery components requiring reliable bearing performance
- General Industrial Machinery where space constraints and load capacity are important factors
