6008 Deep Groove Ball Bearings
| 6008 Deep Groove Ball Bearings | |||
|---|---|---|---|
| Part Number | 6008 | Ball Number | 12 |
| d | 40 | Ball Size | 7.938 |
| D1 | 68 | Dynamic Load Co(N) | 17000 |
| B | 15 | Static Load Cor(N) | 11500 |
| R | 1 | Grease Speed | 13000 |
| Weight(Kg) | 0.190 | Oil Speed | 15000 |
6008 Deep Groove Ball Bearing | Open, ZZ, 2RS High-Speed Bearings
The 6008 deep groove ball bearing is a widely used medium-bore precision bearing in the 6000 series, featuring upgraded internal structure and larger rolling elements compared to the 6007 model. It delivers improved radial and axial load capacity, enhanced structural rigidity and stable high-speed rotational performance while retaining a compact lightweight design. This single-row deep groove ball bearing supports continuous low-noise, low-friction operation under medium cyclic loads, ideal for a broad range of precision and general industrial transmission systems. Available in three standard configurations, including open type, 6008ZZ double metal shield type and 6008-2RS double rubber sealed type, this model adopts five industrial-grade materials to suit economic, sanitary, wear-intensive and corrosive working environments.
6008 Open / ZZ / 2RS Structural Features
6008 Open Type: The basic unsealed open structure provides unobstructed heat dissipation and smooth grease circulation. It allows fast lubricant replacement and simple routine maintenance without extra rotational friction. Suitable for clean, dry indoor facilities and fully enclosed precision machinery, it maintains consistent high-speed accuracy during long-cycle operation with regular upkeep.
6008ZZ Double Metal Shields: Equipped with dual-sided non-contact steel shields, this dust-proof bearing effectively blocks fine dry dust, floating particles and workshop micro debris. The non-contact design preserves original high-speed stability and precise rotation without increasing running resistance. With reliable durability and excellent cost performance, it is widely used for dry production lines, micro automation equipment and general precision transmission machinery.
6008-2RS Double Rubber Seals: Featuring double-sided contact rubber seals, this fully sealed variant offers comprehensive protection against moisture, splash water, oil stains and corrosive fine dust. It locks internal lubricating grease to prevent leakage and contamination, enabling long-term maintenance-free operation, perfectly adapting to outdoor, humid and dusty harsh industrial conditions.
6008 Bearing Material Performance
Carbon Steel: Standard economical industrial material with uniform hardness and excellent anti-fatigue performance. It ensures stable wear resistance and smooth high-speed operation for medium-load precision equipment, delivering optimal cost performance for mass civilian and general industrial applications.
304 Stainless Steel: Universal food-grade stainless steel with outstanding atmospheric oxidation and rust resistance. It prevents surface corrosion and precision degradation in humid and open environments, suitable for light industry, outdoor micro devices and conventional food processing machinery.
316 Stainless Steel: Premium marine-grade corrosion-resistant material with superior acid, alkali and salt spray tolerance. It withstands mild chemical erosion and coastal high-humidity conditions, ideal for sanitary processing, marine auxiliary equipment and light chemical precision devices.
420 Stainless Steel: High-toughness martensitic stainless steel balancing moderate corrosion resistance and high surface hardness. It provides excellent anti-wear and anti-impact performance, perfect for long-cycle precision moving parts requiring stable dimensional 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 6008 deep groove ball bearing features enhanced load capacity, compact structure, ultra-low noise and stable high-speed performance. Three diversified sealing structures and five material grades fully cover economical, anti-rust, wear-resistant and anti-corrosion application scenarios. It is extensively applied in precision instruments, micro automation machinery, consumer electronics, household appliances, medical miniature devices, robot micro joints, food processing accessories and outdoor precision equipment, providing reliable, low-maintenance and high-efficiency precision rotation solutions for modern light and medium-duty mechanical systems.
