Guided Motion Company
INA bearing knowledge base

Procurement & Trade FAQs

Technical notes from Guided Motion Company, a Hong Kong INA bearing supplier helping buyers identify needle roller bearings, cam followers, track rollers and their matching inner rings and thrust washers.

Articles in this category

Each article covers one point that affects fit: INA references, envelope dimensions, stud thread, outer-ring profile, or the inner ring and thrust washer a design needs.

View all INA bearing products

Browse other topics

Other categories cover INA product families and selection questions, from drawn cup needle roller bearings to yoke-type track rollers.

Part identification help

Not sure which INA part you need?

Send your INA reference, envelope dimensions or a clear photo of the part marking, and we confirm the exact part and complete assembly before quoting.

  • Worn or partial markings: send a photo and tell us which details are still unconfirmed.
  • Cam followers: include roller diameter, stud thread and outer-ring profile.
  • Needle and axial bearings: say whether the design needs an inner ring or thrust washer.
  • Any alternative is listed separately, and no technical change is made without your approval.
Send a Part Photo on WhatsApp Email Your INA Reference
Needle roller bearing and track roller laid out for part identification

What to include

Reference · dimensions · thread or profile · inner ring / washer · quantity · destination

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Have a drawing or an old part? Get a written quote.

Send the INA reference, a drawing or a part photo with quantity, destination country, postcode and required date. The written quote lists part number, quantity, price and currency, stock, estimated lead time, validity and any freight or tax terms.

Send Your Drawing