Pu 25x65x19 Sealed Miniature Ball Bearing With Red Polyurethane Tire 25 Millimeter By 65 Millimeter By 19 Millimeter 2RS Rubber Sealed Bearing For Precision Machinery And RC Models

Compact PU Covered Sealed Ball Bearing 25x65x19mm
✔️ Pack size: 1 bearing; ID 25mm, OD 65mm, width 19mm

This PU covered bearing is a sealed miniature ball bearing with a polyurethane red outer tire. It’s built for compact, low-friction support in small machines, hobby projects, printers, robotics, and light conveyors.

✅ Inner diameter: 25 mm (0.98 in)
✅ Outer diameter: 65 mm (2.56 in)
✅ Width: 19 mm (0.75 in)
✅ Material: GCr15 steel core with PU cover and rubber seals
✅ Pack size: 1 bearing

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

Here's a quick, handy summary. - Reduces friction and supports radial loads in compact assemblies
- Rubber seals keep lubrication in while protecting from dust
- PU cover enhances abrasion resistance for rugged environments
- Common in hobby robotics, 3D printers, and compact conveyors