62203 Deep Groove Ball Bearings
| 62203 Deep Groove Ball Bearings | |||
|---|---|---|---|
| Part Number | 62203 | Ball Number | 8 |
| d | 17 | Ball Size | 6.747 |
| D1 | 40 | Dynamic Load Co(N) | 9580 |
| B | 16 | Static Load Cor(N) | 4780 |
| R | 0.6 | Grease Speed | 11000 |
| Weight(Kg) | 0.0780 | Oil Speed | 13000 |
62203 Deep Groove Ball Bearing | Open, ZZ, 2RS High Load Bearings
The 62203 deep groove ball bearing is a premium thickened high-load bearing in the 622 series, featuring widened raceways and enlarged rolling elements to deliver exceptional radial load capacity and upgraded structural rigidity. Optimized for compact mechanical systems that require stable high-speed rotation and superior load-bearing performance, this single-row deep groove ball bearing offers excellent anti-fatigue stability, low friction and ultra-quiet operation. It reliably handles long-term continuous cyclic operation under medium to heavy loads, making it ideal for space-limited precision electromechanical and industrial equipment. The 62203 series includes three standard industrial types: open type, 62203ZZ double metal shield type and 62203-2RS double rubber sealed type, with five industrial-grade materials available to suit economical, sanitary, high-wear and corrosive working environments.
62203 Open / ZZ / 2RS Structural Features
62203 Open Type: The open unsealed structure enables unobstructed air circulation and efficient heat dissipation, effectively preventing thermal accumulation during prolonged high-speed and high-load operation. It supports tool-free grease refilling and convenient routine maintenance without generating extra rotational resistance. Suited for clean, dry indoor workshops and fully enclosed precision machinery, it maintains consistent running accuracy and stable performance during long-cycle heavy-duty operation.
62203ZZ Double Metal Shields: Fitted with dual-sided non-contact steel shields, this dust-proof bearing effectively blocks fine dry dust, floating micro particles and industrial debris. The non-contact protective design preserves original high-speed precision and rotational smoothness with minimal friction loss. Offering long service life and outstanding cost performance, 62203ZZ bearings are widely used in industrial high-speed motors, precision automation components, power transmission devices and dry operational mechanical systems.
62203-2RS Double Rubber Seals: This fully sealed version adopts double-sided contact rubber seals to completely isolate moisture, water splashes, oil mist and corrosive fine dust. It securely locks internal lubricating grease to prevent leakage, oxidation and aging, achieving long-term maintenance-free operation. It adapts perfectly to humid, dusty and mildly harsh working conditions for outdoor, portable and industrial heavy-duty precision electromechanical equipment.
62203 Bearing Material Performance
Carbon Steel: High cost-performance industrial material with uniform hardness and stable anti-fatigue properties. It delivers reliable wear resistance and smooth high-speed rotation for conventional precision machinery, providing excellent cost efficiency for mass industrial and electronic batch applications.
304 Stainless Steel: Food-grade stainless steel with excellent oxidation and rust resistance. It resists micro corrosion and precision degradation in humid and open environments, ideal for food processing machinery, sanitary equipment and daily precision electromechanical devices.
316 Stainless Steel: Marine-grade corrosion-resistant material with strong resistance to acid, alkali and salt spray. It withstands mild chemical erosion and coastal high humidity, suitable for marine precision parts, sanitary instruments and chemical processing equipment.
420 Stainless Steel: High-toughness martensitic stainless steel balancing moderate corrosion resistance and high surface hardness. It features stable wear and impact resistance, maintaining accurate dimensional stability during long-term continuous high-load operation.
440 Stainless Steel: Ultra-high hardness stainless steel with top-tier abrasion resistance and structural stability. It sustains precise and stable operation under severe wear and corrosive conditions, customized for high-end industrial precision mechanical systems.
Core Advantages And Industrial Applications
The 62203 deep groove ball bearing features a thickened widened structure, upgraded load capacity, ultra-low noise and durable high-speed precision. Three professional sealing configurations and five industrial-grade materials fully cover economical, anti-rust, wear-resistant and anti-corrosion industrial application scenarios. It is extensively applied in precision industrial motors, automated mechanical components, small processing machinery, electric power tools, micro medical devices and light-duty sanitary machinery. With stable heavy-load performance and low-maintenance advantages, the 62203 bearing acts as a reliable core rotary solution for modern compact mechanical systems with strict precision and load operation requirements.
