6905
6900 Series Thin Section Bearings
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Basic Information
Main Dimensions
Performance
Materials
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6905 Bearing Product Overview & Core Advantages
The 6905 is a single row deep groove ball bearing designed for exceptional performance in radial load applications. Engineered with precision ABEC-1 tolerances, it offers reliable operation and high rotational accuracy. Its compact design, featuring a 9 mm width, makes it an ideal solution for applications with space constraints. Manufactured from high-grade chrome steel for both rings and balls, this bearing provides excellent durability and a long service life, requiring lubrication for optimal performance across a wide temperature range from -30°C to 110°C.
6905 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Code | Technical Meaning |
|---|---|---|
| Basic Designation | 6905 | Standard single row deep groove ball bearing with 25mm bore, 42mm OD, 9mm width. |
| Seal Type | Open | No integral seals, allowing for higher limiting speeds and custom lubrication solutions. |
| Tolerance Class | ABEC-1 | Defines standard precision level for running accuracy. |
| Internal Clearance | C0 | Standard (Normal) radial internal clearance group. |
6905 Bearing Structural Features & Performance Benefits
- Optimized for Radial Loads: The deep groove raceway and single row design are engineered to efficiently support significant radial dynamic load ratings of 1577 lbf, making it a robust choice for primary radial load applications.
- High-Speed Capability: The stainless steel cage ensures stability and reduced friction at high rotational speeds, supporting a limiting speed of 19,000 rpm.
- Precision and Reliability: Manufactured to ABEC-1 tolerance standards with tight bore and outside diameter tolerances, ensuring consistent performance, reduced vibration, and smooth operation.
- Robust Construction: Components made from chrome steel offer high hardness and wear resistance, while the standard C0 radial clearance (0.006mm to 0.020mm) provides reliable performance under normal operating conditions.
6905 Bearing Typical Application Areas
The 6905 bearing is widely used across various industries due to its versatile performance. Key applications include:
- Electric Motors and small machinery
- Power Tools and handheld devices
- Pumps and gearboxes
- Agricultural machinery components
- Material handling equipment
- Automotive auxiliary units
