Product Specification

The Description of 608 (8 x 22 x 7) Ceramic Ball Bearings

Ceramic bearings, specifically 608 ceramic bearings, are a type of high-performance ball bearing commonly used in various applications, including skateboards and inline skate marathons. The "608" refers to the bearing's standardized size, with a 8mm inner diameter, a 22mm outer diameter, and a 7mm width.

Ball: Unlike traditional bearings that use steel balls, 608 ceramic ball bearings use ceramic balls as rolling elements. The most commonly material is silicon nitride (Si3N4) or zirconia (ZrO2).

Cage: The bearing cage holds the ceramic balls in place and maintains the spacing between them. It is typically made of a synthetic material, rather than ceramic material, such as PEEK or Nylon. The cage prevents the balls from rubbing against each other and helps distribute the load evenly.

Sealing: Depending on the roller skate application, 608 ceramic ball bearings should have seals to protect the internal components from contamination and retain lubrication. Seals are typically made of rubber or synthetic materials and provide better protection against dirt and moisture. Sealings, on the other hand, are usually made of Rubber and offer less resistance, making them suitable for high-speed applications and stay cool, even for a long-term skating.

Lubrication: Proper lubrication is critical for the smooth operation and longevity of ceramic ball bearings. They can be lubricated with grease or oil, depending on the specific requirements of the applicationand the customers' requirements. The lubricant helps reduce friction and heat generation between the balls and the rings.

608 The Most Suitable Choice for Inline Skate Marathon

•High-Speed Capabilities: Ceramic bearings can operate at higher rotational speeds due to their lower friction and lighter weight. This is especially beneficial in marathon races where skaters aim to achieve and maintain high speeds over long distances. The ability to handle higher speeds without excessive wear or heat buildup makes ceramic bearings well-suited for these demanding conditions.

•Corrosion Resistance: Inline skate marathons often take place in various weather conditions, including rain or damp environments. Ceramic balls are highly resistant to corrosion caused by moisture, ensuring that the bearings perform reliably even in wet conditions. This corrosion resistance helps prevent rust and deterioration, extending the lifespan of the bearings and maintaining their performance over time.

•Lightweight Design: Ceramic balls are lighter than steel balls, contributing to a lighter overall bearing assembly. This reduced weight reduces the rotational inertia, allowing skaters to experience faster acceleration and improved maneuverability. Lighter bearings can also reduce the overall weight of the skates, which can be beneficial for marathon skaters who aim for maximum efficiency and reduced fatigue.

•Durability and Longevity: Ceramic balls are exceptionally hard and resistant to wear, offering increased durability compared to steel balls. In a marathon race, where skaters cover long distances, durability is crucial to ensure that the bearings can withstand the continuous stress and strain. Ceramic bearings tend to have a longer lifespan, reducing the need for frequent replacements and minimizing downtime for maintenance.

ZXSQ, Contains Production and Trade

►Certifications

►Production Lines and Inspection Equipments

This is Zhongxing Shiqiang Technology (Tianjin) Company, which contains production and trade. Our company is specialized in producing ceramic balls and ceramic bearings, the technology is inherited from the parent company: Beijing Zhongxing Shiqiang Ceramic Bearing Company, which already has FDA,REACH,ROHS,ISO9001,ISO14001,ISO45001 certifications. The factory covers an area of about 4000 square meters, equipped with automatic production and assembly line, ball grinding machine and other production equipment, as well as a variety of bearing testing equipment. We have professional testing equipment and technicians.

All products are 100% strictly inspected before exporting, including appearance defect inspection, roundness, roughness and geometry size, and all products meet ISO international standards. Our main customers are mainly located in Germany, United Kingdom and other European countries and Japan, Korea and other Asian countries.

We dedicate to provide high level products and technical services, our experienced and professional team is committed to handling your enquiry quickly and accurately. We are looking forward to your enquiry!