Uxcell 6 Pcs Small V Groove Ball Bearing Pulley, 3x12x4mm Miniature Pulley Bearing Carbon Steel Replacement for Rail Track Linear Motion System

These miniature pulley bearings are widely used in industrial machinery, automobiles, ships, household appliances, healthcare systems, electric motors, and more. Great for 3D printers, aluminum doors and windows, sliding barn doors, drawers, and custom machinery projects, these bearings provide smooth linear motion guidance.

Advantage:

Crafted from good-quality carbon steel, these V bearings offer exceptional durability and long service life. The deep V groove ensures stable tracking on rails, while the sealed design protects lubricant and enhances bearing performance for low-maintenance, long-lasting operation.

Instruction:

Simply install these miniature pulleys into your linear motion system, these small V groove pulleys are fitted to standard rails and tracks.

Note:

Confirm rail compatibility before purchase. Please check the dimensions before purchasing. Hand-measured data may vary slightly.