Counterfeit bearings are a volume business, and the premium brands are the ones copied. Most fakes are caught by simple inspection before fitting — and the ones that are not cost far more than the price difference, because a failed bearing takes the shaft, the housing or the product with it.
| Check | Genuine | Counterfeit |
|---|---|---|
| Box printing | Sharp, consistent colour, correct fonts | Blurred edges, wrong shade, misspelt text |
| Box label data | Batch, plant code, QR that resolves | Generic label, QR that does not resolve |
| Marking method | Laser-etched, shallow, crisp | Printed or stamped deeply, uneven |
| Raceway finish | Mirror-smooth, uniform honing | Visible grinding marks, chatter |
| Cage | Correct material and marking for the size | Stamped steel where brass is standard |
| Grease | Uniform colour, correct fill, no odour | Excess or missing fill, unusual smell |
| Weight | Matches the catalogue figure | Lighter — thinner sections, wrong cage |
In practice, three catch the majority: the box printing, the marking method, and the weight. Counterfeiters invest in boxes but rarely in laser marking or in the correct wall thickness. A bearing that is 8% lighter than the catalogue figure is almost always thinner in the rings or fitted with a cheaper cage.
A premium brand priced far below the market is the strongest single signal. Distributors have margin structures; nobody sells at 40% below cost for long. If the price is dramatically low and the source is new, inspect before fitting — after fitting there is no recourse.
Often, yes — but weight alone is not proof. Use it together with marking, finish and cage material.
They fail without warning and usually take the shaft or housing with them. In safety-critical positions the consequence is not economic.
No. Genuine surplus, obsolete stock and less expensive brands all exist. It means inspect, not accuse.
Send the model list and quantities — we reply with brand options, price and lead time within 30 minutes on working days.