Industrial bearings

Linear Motion Bearings

Type authority for linear motion bearings and guides: ball bushings, profile rails, applications in automation and machine tools, and engineering selection.

Overview

Linear motion bearings and guides provide low-friction translation along a shaft or rail. Ball bushings, profile rail guides and shaft support systems address different load, stiffness and precision requirements.

They are used in machine tools, automation, packaging, medical equipment and any machinery requiring controlled linear positioning rather than rotary shaft support.

Configurations and subtypes

Linear ball bushings

Recirculating balls in a cylindrical housing sliding on a precision shaft.

Profile rail guides

Linear guides with ball or roller recirculation in profiled rails for high stiffness.

Shaft supports and rails

Structural components that define alignment and support for moving elements.

Applications

CNC and machine tools

Axis feed and positioning systems.

Automation and robotics

Pick-and-place and gantry motion.

Packaging machinery

Linear indexing and filling lines.

Semiconductor handling

Precision linear stages where catalogued.

Medical and laboratory equipment

Smooth low-friction linear travel.

Printing and converting

Web handling and registration systems.

Engineering selection

Load and moment

Radial, reverse radial and moment components

Profile rail guides are rated for combined loads; confirm equivalent load per catalogue.

Stroke and speed

Travel length and velocity

Recirculation frequency affects life and lubrication requirements.

Precision and preload

Clearance class and accuracy grade

Machine tool grades differ from general industrial guides.

Environment

Contamination and corrosion

Seals, wipers and stainless options vary by series.

Mounting and alignment

Rail parallelism and flatness

Installation geometry strongly affects performance and life.

Part number identification

Rail, block and length codes

Send manufacturer designation for engineering enquiry.

Brand coverage

Evidence-governed relationships and type-relevant market reference for linear motion bearings. Authorised pathways and market brands are presented separately.

Commonly specified market brands

Manufacturers and product brands commonly specified for this bearing type in industrial and OEM applications. Inclusion is for engineering identification and interchange reference only.

NSK

Schaeffler

FAG · INA

IKO

THK

HIWIN

These manufacturers and bearing brands are commonly specified in industrial and OEM applications. Brand inclusion on this page is for market reference and engineering identification only and does not constitute an authorised supply relationship.

Engineering context

This page is a type authority reference for the Linear Motion Bearings family within Golden Bearing Company’s industrial bearings taxonomy. It supports engineering selection and enquiry intent without a published designation catalogue.

Designation-level dimensions, load ratings and speed limits will be published on individual product pages only when backed by verified manufacturer source data. Until then, request quotation support with your part number, bore size and application duty.

Have a part number or designation?

Send manufacturer part numbers, bearing designations, bore sizes or operating context for engineering identification and quotation support.

This is an identification/interchange enquiry—not a live stock lookup or availability confirmation.

Common questions