7204 ACCBM
Single Row Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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7204 ACCBM Bearing Product Overview & Core Advantages
The **7204 ACCBM** is a **precision angular contact ball bearing** designed for applications requiring high rotational accuracy and rigidity. Engineered to accommodate combined loads—simultaneously handling significant **radial loads** and unidirectional **axial loads**—this single-row bearing delivers exceptional performance in demanding environments. Its **P6 (ABEC-3) tolerance class** ensures precise running accuracy, while the optimized **25° contact angle** provides excellent thrust capacity and high-speed capability. Manufactured from high-grade **chrome steel** with a **brass cage**, it offers reliable operation and extended service life in industrial machinery.
7204 ACCBM Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Implication |
|---|---|---|
| 7204 | Standard bearing size designation (20mm bore, 47mm OD) | Compact dimensions for space-constrained applications |
| A | 25° contact angle design | Optimized for high axial load capacity and speed performance |
| C | High-grade manufacturing clearance | Ensures precise fit and optimal preload characteristics |
| BM | Brass cage construction | Enhanced durability and stability at high rotational speeds |
7204 ACCBM Bearing Structural Features & Performance Benefits
High Precision Construction: The **single-row angular contact design** with **P6 tolerance class** provides exceptional running accuracy and dimensional stability, making it ideal for precision applications requiring minimal runout.
Superior Load Capacity: With a **25° contact angle** and optimized raceway geometry, this bearing effectively handles **combined radial and axial loads** simultaneously. The **radial dynamic load rating of 3600 lbf** ensures reliable performance under demanding operating conditions.
High-Speed Capability: The **brass cage (BM designation)** provides excellent strength and stability, enabling operation at **limiting speeds up to 30,000 rpm**. The precision-ground components minimize friction and heat generation.
Material Excellence: Constructed from **chrome steel** for both rings and balls, the bearing offers high hardness, wear resistance, and long-term dimensional stability across the operating temperature range of **-30°C to 110°C**.
7204 ACCBM Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding spindles requiring accurate rotational performance
- Industrial Pumps: Centrifugal and process pumps handling axial and radial loads simultaneously
- Precision Gearboxes: High-speed transmission systems demanding minimal vibration and high rigidity
- Electric Motors: High-performance motors requiring precise shaft positioning and load support
- Medical Equipment: Diagnostic imaging systems and laboratory instruments needing reliable, quiet operation
- Robotics and Automation: Joint mechanisms and precision positioning systems requiring compact, high-capacity bearings
