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Help CenterDeep Groove Ball Bearing 608-2RS for Electric Motors and Pumps
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As a specialized manufacturer with ISO-certified facilities spanning over 10,000 square meters, Henan San Kuang Machinery delivers precision-engineered 608-2RS deep groove ball bearings designed specifically for demanding electric motor and pump applications. Established in 2014 and exporting to 15+ global markets including North America and Europe, our bearings combine advanced sealing technology with robust construction to ensure extended service life and reduced maintenance costs.
The 608-2RS model features innovative double-contact rubber seals that provide superior protection against contaminants while retaining lubrication. Key technical advantages include:
- Optimized internal geometry reduces friction torque by up to 30% compared to standard designs
- Precision-ground raceways maintain ABEC-1 tolerance levels for consistent performance
- Specialized cage design minimizes vibration during high-speed operation
- Heat-stabilized rubber seals maintain elasticity across -30°C to +120°C temperature range
Core Technical Specifications:
| Parameter | Value | Testing Standard |
| Static Load Rating | 1.96 kN | ISO 76 |
| Radial Clearance | C0 Group (Standard) | ISO 5753 |
| Noise Level | Z1 Grade (≤20 dB) | ANSI/ABMA Std 13 |
| Grease Fill | 25-30% of free space | ISO 492 |
These bearings deliver measurable operational benefits including 40% longer relubrication intervals in dusty environments and 15% higher efficiency in continuous-duty applications. Installation is simplified through chamfered edges and standardized dimensions compatible with IEC motor frames.
Backed by our US$2.5M annual export experience and multiple ISO certifications, we guarantee consistent quality through full traceability from raw material to final inspection. With shipments available from Shanghai, Qingdao, and Tianjin ports, we support OEMs across Eastern Europe, Southeast Asia, and North America with reliable supply chain solutions.
Frequently Asked Questions:
-
Q: What's the difference between 2RS and ZZ bearings?
A: 2RS indicates double rubber contact seals providing superior contamination exclusion compared to ZZ metal shields. -
Q: Are these suitable for food processing equipment?
A: While standard models use industrial grease, food-grade lubrication is available upon request. -
Q: What maintenance intervals are recommended?
A: Under normal conditions, relubrication is suggested every 8,000 operating hours. -
Q: Can I use these in submersible pumps?
A: Yes, the 2RS seals provide effective water resistance when properly installed. -
Q: Do you provide technical installation guidance?
A: Comprehensive mounting manuals and axial load charts are available for download. -
Q: What's the lead time for bulk orders?
A: Standard 20ft container shipments typically dispatch within 15 working days.
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