NTN 6902ZZ Small Size Ball Bearing Standard Shielded Deep Groove Type For High Performance Machinery And Robotic Systems Delivering Durable Precision Smooth Quiet Operation

NTN 6902ZZ Single Ball Bearing, Shielded 15x28x7 mm
✔️ Bore 15 mm, OD 28 mm, W 7 mm; shielded ZZ, high precision, durable

NTN 6902ZZ is a standard shielded ball bearing sized for compact shafts. It's widely used in small motors, hobby robotics, gearboxes, and DIY projects where smooth rotation and protection from dust matter.

✅ Dimensions: bore 15 mm, outer diameter 28 mm, width 7 mm (0.59 x 1.10 x 0.28 in)
✅ Shielding: ZZ shielding on both sides for dirt resistance
✅ Type: standard deep groove ball bearing for general use
✅ Pack: single bearing

💡 What is a ball bearing used for in small machinery?

Ball bearings in compact setups reduce friction and support load in rotating shafts.

• Compact footprint fits small motors, gears, and robotics
• ZZ shields guard against dust, oil, and debris in everyday use
• Common 6902ZZ size enables easy replacement in many assemblies
• Match bore and outer diameter to your shaft and housing specs