6309ZZ Ball Bearings C3 ABEC 3 Shielded For Electric Motors Low Noise 45mm Inner Diameter 100mm Outer Diameter 25mm Width 100 Pack Wholesale Ideal For Industrial Machines Robotics And DIY Projects Quiet Operation And Long Lasting Durability
✔️ 45x100x25 mm, C3 clearance, ZZ shields, ABEC-3 precision
These 100-pack 6309ZZ C3 shielded ball bearings are built for electric motors and precision machinery. With double metal shields and a C3 radial clearance, they manage heat and maintain accurate shaft support in high-speed motor applications. Each bearing measures 45 mm ID, 100 mm OD, and 25 mm wide, pre-lubricated with Mobil Polyrex EM grease for smooth, quiet operation. Pack of 100 for wholesale use.
✅ Inner diameter 45 mm, outer diameter 100 mm, width 25 mm✅ C3 radial clearance for reliable performance under thermal expansion
✅ Double metal shields (ZZ) protect from dust and moisture
✅ Pre-lubricated with Mobil Polyrex EM grease for low noise operation
✅ ABEC-3 precision rated for consistent rotation in motors
💡 What is a ball bearing used for in electric motors? A handy explanation of its role in enabling smooth rotation and long life. - Reduces friction between moving parts to enable smooth rotation - Supports radial and axial loads to keep shafts aligned - Helps manage heat and wear during high-speed operation - Requires proper lubrication and clearance for longevity