RC Car Bearing Kit 10 Pack 7x13x4 mm Deep Groove Ball Bearings for Micro and Mini RC Rigs and Rides MR137ZZ MR137Z 2RS Replacement Set for Smooth Steering and Quiet Sprints

Deep Groove RC Bearing Kit 10-Pack 7x13x4mm MR137ZZ
✔️ 7x13x4 mm deep groove bearings for micro RC rigs MR137ZZ

This 10-piece MR137ZZ bearing kit provides 7x13x4 mm deep groove ball bearings for micro and mini RC cars, trucks, and rigs. These shielded bearings deliver smooth steering and quiet sprints, making replacements straightforward and reliable.

✅ 10 pcs MR137ZZ bearing, 7x13x4 mm deep groove ball bearing
✅ Includes MR137Z and MR137-2RS variants for RC compatibility
✅ Shielded design for dust protection and longer life
✅ Replacement for smooth steering and quiet sprinting

💡 What is a deep groove ball bearing used for in small RC vehicles?

Short answer: They provide smooth rotation in tight spaces and handle radial loads common in wheels and gear shafts.

• High radial load capacity for wheels and axles
• Low friction for quiet, efficient runs
• 7x13x4 mm size fits micro RC kits
• Shielded variants resist dust and extend life

✝️