7203 BECBM
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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7203 BECBM Bearing Product Overview & Core Advantages
The 7203 BECBM is a single row angular contact ball bearing engineered for precision applications requiring high rotational accuracy and reliable performance. Designed to accommodate combined loads (simultaneous radial and axial loads), this bearing features a 40° contact angle optimized for handling significant axial loads in one direction. Manufactured to P6 (ABEC-3) tolerance class, it delivers exceptional running accuracy and is pre-lubricated for immediate installation and operation. Its compact design with a 17 mm bore, 40 mm outside diameter, and 12 mm width makes it ideal for space-constrained applications demanding high rigidity and precise shaft guidance.
7203 BECBM Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7 | Angular Contact Ball Bearing |
| 203 | Bore Diameter: 17 mm |
| BE | High Capacity / Optimized Internal Design |
| C | Contact Angle: 40° |
| BM | Brass Cage (Machined) |
7203 BECBM Bearing Structural Features & Performance Benefits
Optimized Internal Geometry: The BE design and 40° contact angle provide superior axial load capacity and high rigidity, ensuring stable operation under demanding conditions.
Precision Machined Brass Cage: The BM brass cage offers excellent strength and guidance, contributing to smooth operation at the limiting speed of 28,000 rpm and enhanced operational reliability.
High-Grade Material Construction: Manufactured from chrome steel for both rings and balls, the bearing ensures high durability, wear resistance, and long service life.
Precision Tolerance: The P6 (ABEC-3) tolerance class guarantees high running accuracy and consistent performance, making it suitable for precision applications.
Pre-Lubricated & Open Design: The open seal type allows for custom re-lubrication strategies, while the initial lubrication supports immediate startup within a temperature range of -30°C to 110°C.
7203 BECBM Bearing Typical Application Areas
- Machine Tool Spindles
- High-Speed Pumps and Compressors
- Precision Gearboxes
- Industrial Robotics and Automation Systems
- Medical and Dental Equipment
- Electric Motors and Generators
