Application: Widely used in all kinds of industrial equipment, micro motor, small rotary motor, office equipment and so on.
Material: Made from high quality bearing steel, durable and long lasting. Good in toughness. Resistance to heavy load.
Features: Shields on both sides of the bearing to protect the bearings from dust. Suitable for high speed operation. With small friction and high-limit speed, our products are cost-effective and require little maintenance.
Package Includes: 20pcs mini deep groove ball bearings. (4mm inner diameter, 9mm outer diameter, 4mm thickness.)
Satisfaction Guarantee: If you're not satisfied with the product, simply return it for a full refund in 30 days. We support 30-day full refund for return and 12-month warranty.