Right bearing.
Proven. Running.
Select, verify and troubleshoot bearings for motors, pumps, gearboxes, fans and compressors, in minutes, on any phone or laptop.
No card needed. Browse every tool without signing up. Premium tools include 2 free uses each.

Everything a bearing decision needs, in one place
Open any tool and look around. We only ask for your name and email when you start using a premium one.
Bearing Selector
15 guided questions turn your duty, load, speed and environment into a recommended bearing.
Open →Verify a Bearing
Already have a part number? Check life, safety factor and fits against your real load and speed.
Open →Load Calculator
Work out radial and axial loads for 19 equipment types, from belt drives to pumps and crane hoists.
Open →Cross-Reference
Type a full designation and see equivalents from other makers, with load and life figures side by side.
Open →Failure Analysis
Match what you see on a failed bearing to damage profiles, trace the cause with the cause map and read real field cases.
Open →Equipment Anatomy
See how bearings are arranged inside motors, pumps, fans and gearboxes, and where each one fails.
Open →Lubrication
Grease and oil finders, regrease amount and interval, ISO 4406 cleanliness, the Stribeck curve and a product library.
Open →FAQ
Instant plain-language quick checks on speed, life, fits, grease and units. Type a number or a question.
Open →Find a Distributor
Locate authorised distributors by brand and city, with India listings today.
Open →Real screens, real results

The cause map
Damage types against causes, so you can see what to rule out first.

Inside a motor
Which bearing locks the shaft, which one floats, and how each fails.

Grease finder
Thickener, stiffness grade, base oil viscosity and additives for your bearing.

Load Calculator
Pump example: your numbers in, bearing loads out, with every step of the working shown.
From question to answer in three steps
Tell it the duty
Answer a few plain questions about the machine, or type a bearing number you already have.
Get the answer with its working
See the recommendation or check, with the numbers behind it so an engineer can verify them.
Act on it
Take it to your supplier, save the position, or follow the fix and lubrication advice.
Honest about what it knows
- Every result shows its working, so an engineer can check the numbers.
- Checked against independent references, including SKF's online tool and published engineering formulas.
- Honest about limits. Approximations are flagged in plain words, such as "worth a second look before you commit".
- Runs in your browser: phone, tablet or laptop, nothing to install.
Service or supply company?
Package Rotec AI with your own offering: co-branding, bundles and team licences for distributors, repair shops and OEM service teams.
Talk to us on WhatsAppStart free. Pay only when it earns its keep.
Free
- Bearing Selector
- FAQ and quick checks
- Find a Distributor
- 2 free uses on each premium tool
Individual
- All premium tools unlocked
- For one engineer's own use
- Cancel any time
Enterprise
- One shared licence key for your whole team
- No per-seat charges
- Cancel any time
Quick answers
Is Rotec AI free?
The Bearing Selector, FAQ and Find a Distributor are free. Each premium tool includes 2 free uses, and after that a paid licence is needed.
Do I need to sign up?
No. You can browse every tab without signing up. We ask for your name and email only when you start using a premium tool.
Does it replace manufacturer data or an engineer?
No. Rotec AI supports engineering judgement. Please confirm critical selections with your bearing supplier.
Which bearing brands does the cross-reference cover?
SKF, FAG, NSK, NTN, Timken, Koyo and NRB.
Does it work on a phone?
Yes. It runs in any modern browser on a phone, tablet or laptop, with nothing to install.
How do I get a licence?
Subscribe in the tool through Razorpay. Your licence key is sent by email or WhatsApp, usually within 24 hours, and you can cancel any time.
Try it on your next bearing
Open the tool, look around, and start with the free Bearing Selector.