61906-2RZ
618 & 619 Series Thin Section Bearings
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61906-2RZ Bearing Product Overview & Core Advantages
The 61906-2RZ is a single row deep groove ball bearing designed for applications demanding high precision and reliability. As a metric sealed bearing, it excels in handling radial loads efficiently. Its compact design, featuring a 9 mm width, makes it ideal for space-constrained assemblies. Manufactured with chrome steel rings and balls and a stainless steel cage, it offers excellent durability and consistent performance. The bearing comes pre-lubricated with grease and is sealed on both sides (2RZ), providing robust protection against contaminants and enabling long-term, maintenance-free operation in various industrial environments.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 61906 | Basic bearing designation. "6" indicates a single row deep groove ball bearing. "19" relates to the series, and "06" indicates a 30 mm bore diameter (bore = 06 x 5 = 30 mm). |
| 2RZ | Sealing designation. "2" indicates two sides (both sides). "RZ" denotes non-contact rubber seals with steel sheet reinforcements, offering effective protection against dust and moisture with low friction. |
61906-2RZ Bearing Structural Features & Performance Benefits
- High Precision and Rigidity: Manufactured to P6 tolerance class with a CN radial internal clearance, this bearing ensures precise running accuracy and stable operation, which is critical for applications requiring minimal vibration and runout.
- Robust Load Capacity: With a dynamic load rating of 1637 lbf and a static load rating of 1023 lbf, it is engineered to handle significant radial loads reliably over its service life.
- Optimized Speed Performance: The combination of a low-friction stainless steel cage, effective sealing, and pre-applied grease allows for a limiting speed of 15,000 rpm, making it suitable for high-speed applications.
- Long-Term, Maintenance-Free Service: The 2RZ seals effectively shield the internal components from contaminants. Pre-lubrication with grease ensures consistent performance across a wide operating temperature range of -30°C to 120°C, eliminating the need for re-lubrication.
61906-2RZ Bearing Typical Application Areas
- Electric Motors and small spindle drives
- Precision Instruments and medical devices
- Office automation equipment such as printers and copiers
- Automotive components including alternators and pumps
- General industrial machinery requiring compact, sealed ball bearings
