Open 6702 Hybrid Ceramic Ball Bearing 15x21x4mm Featuring Ceramic Balls In Chrome Steel 52100 Outer Ring Durable Open Design For Reduced Friction High Precision Smooth Rotation And Long Lifespan For Hobbyist And Industrial Use

Single Hybrid Ceramic 6702 Open Bearing 15x21x4mm
✔️ Open 6702 bearing with ceramic balls for low friction, 15x21x4 mm

This is a single 6702 open ball bearing with ceramic balls, a high-performance choice for precision gear and drive systems. It’s commonly used in robotics, hobby CNC projects, and light machinery where smooth rotation and long life matter.

✅ Dimensions: 15 x 21 x 4 mm (0.59 x 0.83 x 0.16 in)
✅ Inner diameter 15 mm, outer diameter 21 mm, width 4 mm
✅ Material: chrome steel 52100 race with ceramic balls
✅ Open type, single-bearing package
✅ Quantity: 1 roulement

💡 What is a ceramic ball bearing used for?

Ceramic ball bearings are handy for high-speed, low-friction rotation and longer life in precision equipment. - Handy in robotics, CNC, and other precision gear setups
- Improves efficiency and reduces heat under light to moderate loads
- Works well with hybrid designs that pair ceramic balls with steel races
- Ideal for linear slide units and smooth motion applications