4PCS Ball Bearing Kit High Speed Rotating Self Aligning Double Row Metal
- [GLOSSY SURFACE] The bearing surface is glossy and flat, waterproof and dustproof, not easy to rust, and has a long service life.
- [MULTIPLE USAGES] Widely used in gearboxes, motors, household appliances, internal combustion engines, transportation vehicles, roller skates, etc.
- [LOW FRICTION] These ball bearings rotate with minimal frictional resistance and can achieve high accuracy and stable motion.
- [EXCELLENT MATERIAL] High carbon chromium bearing steel material, with high hardness, good toughness, wear resistance and contact fatigue strength.
- [LOW NOISE] With fine processing, working in coordination with the machine, greatly improving the efficiency of the machine with low noise.
