10 Pack Deep Groove Ball Bearings 4x7x2.5mm MR74ZZ 2RS RC Car Bearings Set For Remote Control Hobby Projects And Mods With Shielded Metal Casing Low Friction And Precise Tolerance For Smooth Motion

10-Pack Deep Groove Bearings for RC Cars and Projects
✔️ MR74ZZ 4x7x2.5mm shielded, 10 pcs, low friction RC hobby

These MR74ZZ bearings measure 4x7x2.5 mm and are ideal for RC car axles, gear systems, and small hobby builds where smooth motion and lasting wear resistance matter.

✅ MR74ZZ Deep Groove Ball Bearing 4x7x2.5mm
✅ Shielded metal casing for debris protection
✅ Pack of 10 bearings
✅ Low friction design for smooth rotation
✅ Tight tolerance for precise motion in RC projects

💡 What is a sealed ball bearing used for in RC hobby projects? They reduce friction, support smooth rotation, and keep grit out while fitting small spaces. - They support rotating shafts in tight spaces - They handle radial loads with minimal friction - Shielded variants protect against dust and moisture - Proper lubrication extends life

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