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EIM Bearing · Industrial Bearings & Slewing Solutions+86 13938899103service@eimbearing.com
EIM Bearing / Company & Solutions

Custom Solutions

Custom bearing inquiries from drawing review and dimensional checks to prototype and production discussions.

When a standard designation does not fit, start with the machine interface, duty cycle and performance target. Our inquiry process helps clarify what must be verified before any design or quotation is agreed.

Types of projects to discuss

Non-standard dimensions

Unusual inner or outer diameters, section heights, mounting holes and interface requirements.

Modified bearing arrangements

Sealing, lubrication, clearance, preload and mounting arrangements that require technical review.

OEM replacement programs

Existing designations or drawings where dimensional and functional requirements must be checked before quoting.

Application-led selection

Start from loads, operating environment and planned service life instead of selecting by designation alone.

How an inquiry moves forward

  1. Requirement intake. Send a model reference, drawing and expected volume.
  2. Technical clarification. Confirm the operating loads, speed, envelope and any standards or inspection evidence needed.
  3. Feasibility & quotation. Evaluate availability, alternative series or custom feasibility before a commercial commitment.
  4. Sampling & verification. Agree on the sample scope and acceptance criteria where applicable.
  5. Order & delivery. Confirm logistics, documentation and project milestones in writing.

What should be on a technical drawing?

  • Dimensions and tolerances, including datums and mating parts
  • Material, heat treatment and surface-protection requirements if specified
  • Load direction, maximum operating speed and expected service environment
  • Inspection items and target delivery schedule

Frequently asked questions

Can you quote from a competitor model number?

A model number can start the conversation. Interchangeability still requires verification of dimensions, operating limits and the full designation including suffixes.

Should I upload drawings to the website?

No. Please email drawings, CAD files and other sensitive technical documents directly to the company email address indicated on the inquiry page.

Does a design change always mean custom manufacturing?

Not necessarily. A standard series or catalog variation may meet the requirement. Selection should be based on the engineering conditions and confirmed availability.

Discuss your requirements → or explore custom bearing projects.

Custom & Non-Standard Bearing Solutions

A catalogue designation is not always enough. If a standard bearing does not fit the available space, loading pattern or mounting interface, a specification-driven discussion can help define a custom bearing or bushing requirement.

1. Define the Engineering Problem

Send a drawing or STEP/PDF, installed space, shaft and housing fits, working load cases, maximum speed and environment. Explain which catalogue solution fails and which dimensions or performance targets cannot change.

2. Technical Review & Feasibility

The design is considered in relation to the rolling-element arrangement, rings, mounting geometry, lubrication, sealing, materials and inspection priorities. Alternative configurations should be compared against the actual duty cycle, not only the envelope size.

3. Drawings & Sample Agreement

Before quotation or sample production, agree on the controlled drawing revision, critical-to-quality dimensions, quantity, expected tolerances, marking and packaging. Sampling and inspection scope depend on feasibility confirmation and the project requirements.

4. Validation & Repeat Orders

Confirm fit, function and agreed verification evidence before considering regular supply. Keep model identity, revision status and quality documents aligned across future orders.

What Can Be Discussed?

  • Non-standard dimensions or mounting features
  • Bearing arrangement, clearance and preload requirements
  • Seals, lubrication and material specifications
  • Special duty cycles, low-speed rotation or environmental exposure
  • Drawing-based bushings, housings and related bearing assemblies

Custom manufacture and testing options are subject to technical confirmation. Share enough application information to obtain a meaningful assessment rather than an estimated price without specifications.

Your next step

Have a model number or drawing?

Tell us what the bearing needs to do. Share dimensions, quantity and operating conditions so the team can review the request.

Need a bearing quote? Send RFQ ↗