609 Deep Groove Ball Bearing
| 609 Deep Groove Ball Bearing | |||
|---|---|---|---|
| Part Number | 609 | Ball Number | 9 |
| d | 9 | Ball Size | 3.969 |
| D1 | 24 | Dynamic Load Co(N) | 3650 |
| B | 7 | Static Load Cor(N) | 1480 |
| R | 0.3 | Grease Speed | 29000 |
| Weight(Kg) | 0.013 | Oil Speed | 35000 |
609 Deep Groove Ball Bearing | Open, ZZ, 2RS Miniature High-Speed Bearings
The 609 deep groove ball bearing is a popular upgraded miniature bearing in the 600 series, featuring larger rolling elements and enhanced load capacity compared to the 608 model. This compact single-row ball bearing supports stable radial and minor axial loads, delivering consistent low-noise, high-speed rotation for micro precision mechanical systems. Widely adopted in light-duty automated and electronic devices, the 609 bearing is available in three mainstream versions: open type, 609ZZ double metal shield type and 609-2RS double rubber sealed type. With five professional material options, it suits economic, sanitary, high-wear and corrosive working environments for diversified precision applications.
609 Open / ZZ / 2RS Structural Features
609 Open Type: This basic unsealed open structure provides unobstructed heat dissipation and smooth internal grease circulation. It allows quick lubrication replacement and easy routine cleaning without extra rotational friction. Designed for clean, dry indoor and fully enclosed precision equipment, it maintains accurate high-speed operation for devices with regular maintenance cycles.
609ZZ Double Metal Shields: Equipped with dual-sided non-contact steel shields, this dust-proof variant effectively blocks fine dry dust, floating particles and micro workshop debris. The non-contact design retains original high-speed precision and stable running performance with zero resistance increase. Cost-effective and durable, it is ideal for dry production lines, miniature automation and general precision transmission equipment.
609-2RS Double Rubber Seals: Featuring double-sided contact rubber seals, this fully sealed model achieves full protection against moisture, splash water, oil contaminants and corrosive dust. It locks internal lubricating grease to prevent leakage and pollution, realizing long-term maintenance-free operation, perfectly adapting to outdoor, humid and dusty harsh working conditions.
609 Bearing Material Performance
Carbon Steel: Standard economical industrial material with uniform hardness and excellent anti-fatigue performance. It offers stable wear resistance for high-speed micro operation, delivering optimal cost performance for general civilian and ordinary industrial miniature machinery.
304 Stainless Steel: Common anti-rust stainless steel with outstanding atmospheric oxidation resistance. It prevents surface rust and precision degradation in humid and open environments, suitable for light industry, outdoor micro devices and standard food processing equipment.
316 Stainless Steel: Premium marine-grade material with superior acid, alkali and salt spray resistance. It withstands mild chemical corrosion and coastal high-humidity conditions, widely used in sanitary processing, marine micro equipment and light chemical devices.
420 Stainless Steel: Martensitic high-toughness stainless steel that balances moderate corrosion resistance and high hardness. It provides excellent wear and impact resistance, ideal for long-cycle precision moving parts requiring stable tolerance accuracy.
440 Stainless Steel: Ultra-high hardness stainless steel with top-tier abrasion resistance and structural stability. It maintains precise operation under heavy wear and complex corrosive environments, customized for high-end electronics and industrial precision equipment.
Core Advantages And Industrial Applications
The 609 miniature deep groove ball bearing features upgraded load capacity, compact lightweight structure, ultra-low noise and reliable high-speed stability. Three sealing types and five diversified material grades fully cover economical, anti-rust, wear-resistant and anti-corrosion scenarios. It is extensively applied in precision instruments, micro automation equipment, consumer electronics, small household appliances, medical miniature machinery, robot micro joints, food processing accessories and outdoor precision devices, providing stable, low-maintenance and high-efficiency micro-precision rotation solutions for modern miniature mechanical systems.
