PATIKIL 12pcs Small U-Groove Ball Bearing Pulleys 4x13x4mm Miniature Pulley Bearing Carbon Steel Rail Trucks for Clinical Motion System Replacement

Specifications: Color: Silver Material: Aluminum Alloy Width: 4mm/0.16" Wheel Diameter: 13mm/0.51" Inner Diameter: 4mm/0.16" Groove Width: 2.2mm/0.09" Packing List: 12pcs x Small U-Groove Pulleys BENEFITS: Constructed from good quality carbon steel, these V bearings are durable and long lasting. Deep V-groove ensures stable tracking on the rails and sealed design protects lubricants and improves long life with low maintenance These miniature pulley bearings are widely used in industrial machinery, automotive, marine, household appliances, electric motor etc. Ideal for 3D printers, aluminum doors and windows, sliding doors, drawers and custom mechanical projects, these bearings provide smooth linear movement Instructions: Simply attach these miniature pulleys to a linear motion system, these small V-groove pulleys be attached to a standard rail or truck Note:Please check the rail compatibility before purchase. Please check the measurement before purchase. Please allow slight manual measurement data

We will only accept returns if the item is different from the picture shown

on the product page or is not in the same condition as the product description.

All items are 100% authentic: we verify authenticity before selling.