Best Linear Roller Bearings

The model, T125XY-50R, XY Linear Translation Stage, features crossed-roller bearing guide for precise linear motion and stable performance over the entire 50 mm travel range.
Reviews
Find Best Price at Amazon"As I said for the Z-stage, this product is perfect, accurate and precise, well made."

Materials: Aluminium alloy. Direction of movement: XYZ three direction; front and back, left and right, up and down.
Reviews
Find Best Price at Amazon"Works smooth with very little backlash."

Flanged linear motion ball bearings have sufficient rigidity to support equivalent loads of standard ball bearings. Outer dia.
Reviews
Find Best Price at Amazon"So far these work on a 3d printer I was building for a friend."
"Works great."
"Worked great for my 3d printer."
"Only used one, it worked fine."
"I have had great luck with uxcell before but these bearings are awful."
Best Linear Ball Bearings

We don't Offer International Shipping. Chrome Plated 60 Inch Length 40 mm Diameter Shaft.
Find Best Price at AmazonBest Track Runner Bearings

This McGill CF Camrol series steel stud-type cam follower bearing with lip seals and a hexagonal hole supports high static and dynamic loads in cam- and track-type applications. Track runner bearings, also called track roller bearings, are rolling element bearings with a thick-walled outer ring that rotates directly on cam and track surfaces. Stud-type track rollers, such as cam followers, have a built-in threaded rod, instead of an inner ring, for either threaded mounting or through-hole mounting onto machine components. Available in a variety of materials and mounting configurations, track runner bearings are used in a broad range of cam-controlled and linear motion applications including agricultural machinery, conveying equipment, cam drives, material handling equipment, robotics, and automotive equipment, among others.
Reviews
Find Best Price at Amazon"GREAT PRODUCT - GREAT SELLER - NO COMPLAINTS."