Verified 10 August 2026

Linear guides manufacturers

Linear guide manufacturers produce profile rails, carriages/blocks and related linear motion components for machines, automation and CNC equipment. Buyers should look for manufacturers that make the specific rail/profile size, accuracy class, load capacity and compatible carriage types you need, and confirm origin and interchangeability with other brands.

9 verified manufacturers

  • THKJapan

    THK site: "Linear guides play the role of easily and smoothly guiding linear motion" (THK linear guide product page).

  • KGGChina

    KGG site: "OEM Linear Guide Rails Manufacturers, Factory, Suppliers From China".

  • HIWIN Corporation

    HIWIN product page: "HIWIN Corporation manufactures interchangeable and non-interchangeable linear guideway blocks and rails..."

  • YIDI BEARINGS

    YIDI BEARINGS site: "OEM linear guides manufacturer | YIDI BEARINGS" (product/manufacturer page).

  • PBC LinearUSA

    PBC Linear site: "PBC Linear manufactures and supplies linear bearings, shafts, guides, actuators ... a major US manufacturer" and product collection page: "Linear guides from PBC Linear are made in the USA".

  • NSK

    NSK product page: "NSK Linear Ball Guides and Linear Roller Guides offer superior linear motion..."

  • Schneeberger Group

    Schneeberger product page: "High-precision linear guides & profile rails..."

  • Rollon

    Rollon product page: "At Rollon, we provide robust linear guide rails with hardened raceways..."

  • Thomson

    Thomson product page: "Thomson profile rail linear guides deliver high‑precision motion with durable rails and carriages."

Compiled from public sources and refreshed periodically. Always verify certifications and capabilities directly with the manufacturer before ordering.

Need their contact details?

Source365 finds verified contact emails for manufacturers like these and drafts the RFQ outreach for you — directly from the inquiry email in your Outlook inbox.

What to specify in your RFQ

Manufacturers quote faster and more accurately when your request covers these points.

  • Rail/profile type and series

    Specify the profile (e.g., profile rail, miniature rail, round shaft + bush) and exact series or model if known for interchangeability.

  • Rail length and mounting dimensions

    Provide required rail lengths and the mounting hole pattern / pitch so suppliers can quote rail cutting or machining costs.

  • Carriage/block type and preload/accuracy class

    State carriage style (ball, roller, crossed-roller), preload (if required), and accuracy grade (e.g., standard, high-precision).

  • Load, moment and speed requirements

    Give maximum static/dynamic loads, moments (Mx, My, Mz) and expected travel speed to ensure correct size and material/hardening.

  • Materials and surface treatment

    Specify material (stainless, alloy steel) and treatments (case-hardened raceways, coating) for corrosion resistance or wear life.

  • Quantity and delivery batches

    State total quantity and whether you need them in a single lot or repeated small batches — MOQs affect price and lead time.

  • Operating environment and temperature

    Note environment (cleanroom, vacuum, corrosive, outdoor) and temperature range so seals, lubrication and materials can be specified.

  • Compatibility/interchangeability

    If these guides must be interchange-compatible with a particular brand or pre-existing parts, provide the reference brand and part numbers.

Sourcing FAQ

How do I verify a linear guide manufacturer is making the product (not just reselling)?
Check the supplier's product pages and wording ("manufactures" or product pages showing series, technical drawings and production information) and prefer company sites that state they manufacture rails/blocks or show factory/OEM capabilities.
What drives lead time for linear guides?
Lead time is driven by rail length (cutting and machining), carriage availability (standard vs custom), required accuracy/heat treatment steps and order quantity or MOQ.
What minimum order quantities (MOQs) should I expect?
MOQs vary by manufacturer and whether parts are standard; many manufacturers supply single rails or blocks as catalog items, while custom lengths, coatings or special tolerances can require larger batch orders—ask the supplier for their MOQ.
Which certifications or tests should I ask manufacturers for?
Request material certificates, hardness/raceway treatment documentation, dimensional inspection reports and any applicable quality-system certifications (e.g., ISO 9001) relevant to your procurement rules.

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