U-Groove / V-Groove Guide Bearings

U-groove and V-groove guide bearings are profiled track rollers used to locate and guide motion along a matching rail. Common B2B search names include U groove bearing, V groove bearing, guide roller bearing, track roller bearing, guide wheel bearing, V guide wheel, U groove guide wheel, linear guide roller and grooved pulley bearing.

The track section determines the roller profile. A concave U-groove running on round bar is not interchangeable with a 90-degree V wheel, Gothic-arch profile, flat roller or crowned outer ring. Qingdao Gleam Hardwares can review standard references and non-standard profiles from the mating rail drawing, customer sample or complete wheel section.

For a quotable specification, provide the bore or stud, outside diameter, width, groove radius or included angle, groove depth, shoulder or flange, sealing arrangement, rail material, load direction, speed, quantity and environment. The final load and service result depend on the complete guide system, not the groove name alone.

View groove profiles, buyer terms and RFQ details

Guide Roller Profiles and Buyer Aliases

Profile family	Common buyer terms	What to confirm
U-groove / concave	U groove track roller, concave guide wheel, round-rail roller	Rail diameter, groove radius and contact position
V-groove	V groove bearing, V guide wheel, 90° V track roller	Included angle, root radius and rail edge geometry
Gothic arch / W guide	LFR track roller, W guide wheel, Gothic arch roller	Matched rail, contact points and exact series dimensions
Convex / crowned	crowned track roller, spherical outer-ring roller, convex guide roller	Crown radius, alignment need and track width
Flat / cylindrical	flat track roller, cylindrical guide roller	Running width, edge guidance and mounting alignment
Custom multi-groove or flanged	double groove roller, multi groove pulley, flanged guide bearing	Complete section, groove pitch, hub and bracket clearance