A counterfeit bearing usually looks right. The box carries the maker’s name and colours, the part number is printed correctly, and the price is only a little below the market. The difference shows up later: a bearing that runs hot, a seal that leaks, a failure well before the expected service life. By then the box has gone in the bin and nobody can say where it came from.
Bearings are a well-known target for counterfeiters, which is why several bearing makers run their own verification apps, but the same risk applies to cutting tools, PPE, pneumatics and electrical components. This guide covers the three defences that work together: the makers’ own verification tools, a buying channel you can trace, and receiving checks that keep the evidence. How to read bearing numbers is covered separately in bearings, belts and chains.
💬 Suspect some of your stock is not genuine, or want to change to a channel you can trace? Send us the part numbers, photos of the boxes and where they were bought. Ask about your parts.
Why packaging and price are not proof
A good copy reproduces the box, the label and the part marking, so visual checks catch only crude counterfeits. Price is a warning sign, not a test. What proves a part genuine is the maker’s own check or an unbroken chain of invoices back to the maker.
One bearing maker puts it plainly: original and counterfeit are often impossible to tell apart at first glance, and only detailed knowledge allows a reliable distinction. The same maker lists the situations that should prompt a check:
- pricing that seems unusual;
- particularly short delivery times;
- unusual delivery routes;
- products whose appearance differs from what you normally receive.
Two more signs from practice: a seller who will not say where the parts were bought, and large quantities of a part the maker has discontinued. None of these proves a part is fake. Each one is a reason to verify before fitting.
The makers’ own verification tools
Several bearing makers publish a free app that checks a code printed on the box against the maker’s database, or sends photos to the maker’s experts. Use the maker’s own tool first; it is the only check that draws on the maker’s records.
The table below lists what each maker describes on its own website. We list only what we could confirm there, as of the date at the end of this guide. Other makers may offer similar checks; ask them or their local office directly.
| Maker | Tool named on its website | What it does, as the maker describes it |
|---|---|---|
| SKF | SKF Authenticate app | For certain products, scan the DMC code on the package or product for an instant response. Or submit photos of the suspect product, which SKF experts review before telling you whether it is genuine or counterfeit. Free on the App Store and Google Play. |
| Schaeffler (INA, FAG) | OriginCheck app | A first check you can run yourself. Suspect cases can be reported to Schaeffler’s brand protection team, also through the app. The app can also check the authenticity of distributor certificates. |
| NSK | NSK Verify app | Scans the 2D barcode on the bearing box and checks it against NSK’s database. Shows how many times a barcode has been accessed. Mainly for precision bearings for machine tools; only items with an “N” at the bottom right of the 2D barcode are supported. NSK also points to the multi-maker WBA Bearing Authenticator (WBA Check) app. |
| Timken | Bearing Authenticator app, through the World Bearing Association (WBA) | Scan the QR code on the packaging label for a response on authenticity. Timken says the app also recognises security labels of other major bearing makers. |
| NACHI | WBA Bearing Authenticator App (WBA Check), developed with the WBA | Scan the code on the package to learn whether the product is likely genuine. NACHI says it applies only to packages with a data matrix code; packages with a QR code are not covered. |
Three things to know about using these tools:
- A valid code is an indication, not a guarantee. A code can be copied from a genuine box. The NSK app shows how often a barcode has been accessed for this reason: a code scanned many times in many places is a warning.
- Not every product carries a code, and code types differ. Timken describes a QR code on its label; NACHI says its packages must carry a data matrix code and QR-coded packages are not covered. Follow the instructions for the maker on the box. If there is no supported code, the photo route or a request through the maker’s local office is the way to verify.
- Keep the box. Every one of these checks starts from the packaging. A bearing taken out of its box and put on a shelf cannot be checked this way.
Makers whose bearings are widely specified, such as NTN and JTEKT (Koyo), are not in the table because we did not confirm a verification tool on their websites for this guide. That is not a statement that they lack one.
Buy through a channel you can trace
The strongest protection is buying through a chain of invoices that leads back to the maker or its authorised distributor. Makers publish ways to find their authorised distributors, and the chain should be kept for every lot.
Makers point buyers to their authorised channels. SKF publishes a distributor finder on its website; Timken’s guidance is to buy from an authorised Timken distributor or from Timken directly, with a location finder on its site; NACHI asks buyers to purchase through NACHI branches and authorised distributors; NSK’s app includes a finder for NSK sales offices and distributors.
| Channel | Traceability | What to keep |
|---|---|---|
| Maker or its authorised distributor | Direct to the maker | Invoice, delivery note, packaging |
| Trading company buying from an authorised distributor | One step from the authorised channel | The trader’s invoice, plus the upstream invoice or a statement of source on request |
| Distributor with no stated source | Unknown | Treat as unverified; check every lot |
| Anonymous marketplace listing | None | Avoid for critical parts |
A trading company in the chain is not a problem in itself; an unexplained one is. Sunsho Trade is a trading company, and we do not claim to be an authorised distributor of the makers named in this guide. When we source branded parts, we buy through channels we can identify, and we agree with you which proof of source each order will come with.
A certificate on its own proves little. SKF’s anti-counterfeiting leaflet warns that suppliers of counterfeits may also offer certificates stating that the products are genuine SKF, and that such documents are not trustworthy. Where a maker issues certificates to its distributors, check the certificate with the maker: Schaeffler, for example, says its OriginCheck app can verify distributor certificates.
💬 Want branded parts bought through channels you can identify, with the source shown on request? We buy line by line against your item list and keep the invoice trail. See MRO and factory consumables.
Receiving checks that keep the evidence
Check every delivery of branded parts against the order and against known-genuine stock, keep the original packaging, and record the supplier and invoice per lot, so that any later doubt can be checked with the maker.
A receiving routine for branded parts:
| Check | What to look for | If it fails |
|---|---|---|
| Full part number and suffix | Exactly as ordered | Hold the lot, query the supplier |
| Box print and label layout | Same as known-genuine stock from the maker | Photograph, run the maker’s check |
| Lot, date and security codes | Present where the maker uses them | Run the maker’s check |
| Part marking | Maker’s name and number on the part, legible and consistent with the box | Photograph, run the maker’s check |
| Invoice and source | Supplier invoice matches the delivery; source stated | Ask for the source before acceptance |
For parts in critical positions, photograph the box label and the part marking before fitting. If the part fails early, these photos are what the maker will ask for.
What to do with a suspect part
- Quarantine it. Do not fit it and do not return it to the supplier yet.
- Collect evidence. Photos of the box, label, codes and part marking; the invoice; the supplier’s details.
- Run the maker’s check. Use the maker’s app, or contact its local office or brand protection team.
- Decide with the result. If the maker confirms a counterfeit, the maker may want to follow it up. Ask before you return or destroy the goods.
The same method for other parts
The method does not change for cutting tools, PPE, pneumatics or electrical parts: maker’s check where one exists, a traceable channel, and packaging and records kept until the part is used.
What differs is where the evidence sits:
- Cutting tools. Grade and chipbreaker codes in the maker’s current catalogue, and lot codes on the box. See cutting tools and abrasives.
- PPE. The marking on the product against the standard and edition, and the declaration of conformity. See safety gloves, shoes and eyewear.
- Japanese components for Japanese machines. Where the part must be the maker’s genuine part from Japan, the route is set out in genuine Japanese industrial parts.
For a factory that buys all of these regularly, putting them on one item list with approved sources is the structural fix. That is set out in MRO supply for factories in Vietnam.
💬 Need a regular supply of bearings and other branded parts from channels you can identify? Send us the item list and the machines they go on. Contact us about factory consumables.
Frequently asked questions
1. Can I tell a counterfeit bearing by looking at it?
Only crude copies. Good counterfeits reproduce the box, label and marking. Use the maker’s own verification tool where one exists, and buy through a channel you can trace back to the maker.
2. Which bearing makers have their own verification app?
On their own websites, SKF describes the SKF Authenticate app, Schaeffler the OriginCheck app and NSK the NSK Verify app. Timken, NACHI and NSK point to the Bearing Authenticator app run with the World Bearing Association. Other makers may offer checks through their local offices.
3. Does a valid code on the box prove the bearing is genuine?
No. It is a strong indication, but codes can be copied. Watch for codes scanned many times, check the part itself, and keep the invoice trail.
4. Is buying from a trading company riskier than buying from an authorised distributor?
Not if the trading company can show where it bought the parts. The risk is an unexplained chain. Ask any supplier, including us, to state the source.
5. What should I do with a part I think is counterfeit?
Quarantine it, photograph the box, codes and part, keep the invoice, and contact the maker through its app or local office. Ask the maker before returning or destroying the goods.
Checked on 27 October 2026. Maker tools are described only as each maker describes them on its own website on that date; apps and their coverage change, so check the maker’s current page before you rely on one.
Sources: SKF, SKF Authenticate App (skf.com, Brand protection), and SKF leaflet “Protect your business – avoid counterfeit products” (SKF media hub). Schaeffler Austria, Markenschutz / brand protection page describing the OriginCheck app and distributor certificates (at.schaeffler.com). NSK, Precision Bearings App (NSK Verify) (nsk.com/services/nskverify). Timken, How to Ensure the Bearings You Purchase Are Authentic (timken.com/authentic-bearings). NACHI-FUJIKOSHI, Stop fake bearings (nachi-fujikoshi.co.jp).