Full bearing marking
Include every prefix, suffix, slash and space visible.
Bridge Engineering Technical Centre
Bearing Finder
Decode a bearing reference, compare dimensional candidates, review operating symptoms and create a structured brief for verification and quotation.
Bearing identification by number or dimensions
Identify a Bearing Before Ordering
A complete bearing designation is the best starting point, but worn or unmarked bearings can often be narrowed down using bore, outside diameter, width, rolling-element type and application details. The Bearing Finder organises that evidence into a technical brief so Bridge Engineering can verify the likely replacement and check suitable manufacturer options.
The tool is useful for standard bearing numbers, dimensional searches, difficult-to-source references and replacement enquiries where only partial markings or measurements remain.
Milestone 9 · Evidence Review Workflow
Bearing Technical Advisor
Follow five short steps. The advisor separates official product evidence, documented manufacturer conventions and dimensional-only leads. Verified records carry a review date and evidence note, while the controlled principal-dimension dataset remains protected. The result is an identification and condition-review brief—not a final bearing selection or failure diagnosis.
Step 1 of 5
Information that improves identification
For the Most Reliable Match
Three dimensions
Measure bore, outside diameter and width as accurately as possible.
Clear photographs
Photograph both faces, seals, markings and the surrounding housing.
Machine details
Provide speed, load, environment, symptoms and the bearing position.
From identification to verified supply
Use the Finder with our bearing guides
Use markings, measurements, photographs and operating evidence together. The guides below help you build a stronger identification brief before Bridge Engineering verifies availability and suitability.
Worked marking example
6204-2RS-C3
- 6204
- Base bearing designation and size series.
- 2RS
- Commonly indicates contact seals on both sides.
- C3
- Commonly indicates greater-than-normal internal clearance.
Suffix conventions can vary by manufacturer and product family. Record every character, separator and symbol and verify the complete code against current manufacturer data.
Photograph checklist
Show the evidence clearly
- Both bearing faces and every visible marking
- Bore, outside diameter and width measurements
- Seals, shields, flanges, snap-ring grooves or locating features
- The housing, shaft and original machine position
- Damage, contamination, heat marks or wear patterns
- A scale or ruler in wider application photographs
How to identify a bearingBuild a reliable identification sequence.
Common bearing suffixesUnderstand frequently used code extensions.
Bearing failure signsRecord evidence before the failed part is discarded.
Bearing fitting mistakesAvoid damage during handling and installation.
How to choose a greaseReview application and lubrication factors.
Bearing grease calculatorEstimate a starting relubrication quantity.
Bearing shaft and housing fitsChoose a practical starting fit from load direction, duty and locating arrangement.
NILOS bearing sealing ringsSelect the likely AV, JV, ZAV, ZJV or AK family from the bearing arrangement.
Ready for verification?
Verify the bearing and request a quote
Send the complete marking, three dimensions, photographs, machine details and required quantity. Bridge Engineering can check the likely match and suitable manufacturer options before supply.