Miniature MR74-2RS Sealed Ball Bearing 4mm ID 7mm OD 2.5mm Thick, Double Rubber Sealed, Pre Lubricated Chrome Steel GCr15, Low Noise High Speed Precision Bearing For Micro Machinery And RC Projects

Single MR74-2RS sealed ball bearing for micro RC gear
✔️ 4mm ID x 7mm OD, 2.5mm thick, dual rubber seals, grease

Compact miniature sealed ball bearing designed for precision in micro machinery and RC hobbies. Its small size fits motors, tiny gearboxes, drones, and other compact assemblies requiring smooth rotation and reliable sealing.

✅ 4mm ID x 7mm OD x 2.5mm thick
✅ Chrome steel (GCr15) construction
✅ Double rubber seals with pre-lubricated grease
✅ ABEC 1 (P0) tolerance, low noise, high-speed operation
✅ Ideal for micro motors, RC gadgets, tiny gearboxes

💡 What is a small sealed ball bearing used for in micro machinery and RC projects? This handy rotation part keeps tiny systems running smoothly. - used in small motors and gear boxes for precise motion - supports high-speed rotation with low noise - sealed design protects grease and shields from contaminants