PU6X21X9-2RS PU Covered Bearing 6x21x9mm - Sealed - Miniature

PU6X21X9-2RS Polyurethane Sealed Ball Bearing
✔️ 6x21x9mm with Tire - Single Miniature Bearing

The PU6X21X9-2RS is a compact deep groove ball bearing with a durable polyurethane outer ring and rubber seals for added protection. Designed for quiet, cushioned rolling, it’s ideal for miniature transport rollers, track guides, and precision equipment where vibration resistance and durability matter.

✅ Quantity: 1 Bearing
✅ Size: 6mm inner x 21mm outer x 9mm width
✅ Bearing Material: GCr15 bearing steel
✅ Outer Cover: Polyurethane (PU) for impact and wear resistance
✅ Closures: Double rubber seals (2RS)
✅ Type: Deep groove ball bearing with tire
✅ Application: Miniature rolling systems, soft-contact tracks, automation

💡 Why choose polyurethane-coated bearings with rubber seals?
Polyurethane tires reduce noise and surface damage, while rubber seals block dust and moisture - offering a long-lasting, low-maintenance solution for soft and quiet rolling applications.

An excellent fit for equipment that needs smooth, silent movement and extra surface protection.