5x11x4 mm MR115-2RS miniature sealed ball bearing double rubber-sealed pre-lubricated deep groove steel small-width for motors linear slide units tools toys pack of 20

MR115-2RS 5x11x4 mm sealed miniature bearings 20pcs
✔️ Double rubber seals, pre-lubed deep groove steel, 5x11x4 mm

This is a pack of 20 MR115-2RS sealed miniature ball bearings, ideal for compact rotating parts in motors, hobby drives, and light industrial gearboxes.

✅ Model: MR115-2RS
✅ Size: 5x11x4 mm
✅ Quantity: pack of 20 bearings
✅ Seal: double rubber 2RS, pre-lubricated
✅ Material: bearing steel with deep groove raceway
✅ Typical use: motors, electric toys, garden machinery, power tools, linear slide unit applications

💡 What is a sealed ball bearing used for in motors and linear slide units? Sealed ball bearings keep lubrication in and debris out, reducing downtime and noise for longer service intervals. - Compact sealed bearing designs provide smooth rotation and low friction for motors, gearboxes, and small drives. - Pre-lubed, double rubber-sealed models work well in linear slide units and hobby projects that need maintenance-free performance. - For higher speeds or extended life, consider deep groove steel or ceramic-hybrid options suited to the application.