How do I select elevator guide shoes or rollers?

Match guide-rail size, car or counterweight application, rated speed, load, mounting dimensions, insert material and lubrication requirements.

Regarding “How do I select elevator guide shoes or rollers?”, when is an OEM part preferable to an equivalent?

Choose OEM when software locking, safety certification, warranty, proprietary interfaces or uncertain drawings make substitution risk unacceptable.

Ask Time: 2022-09-28 Answer Time: 2022-09-28

Regarding “How do I select elevator guide shoes or rollers?”, which nameplate fields are most important in this case?

Record the maker, part number, revision, ratings, serial number and production code; one missing suffix can indicate different hardware or firmware.

Ask Time: 2022-09-22 Answer Time: 2022-09-22

Regarding “How do I select elevator guide shoes or rollers?”, which physical measurements should the buyer provide?

Measure the overall envelope, mounting-hole centers, shaft or bore, connector position and clearance, using a scale in each photo.

Ask Time: 2022-09-23 Answer Time: 2022-09-24

Regarding “How do I select elevator guide shoes or rollers?”, could firmware or communication protocol create a mismatch?

A visually identical board may use another CAN, serial or proprietary protocol, software revision or parameter set and therefore fail to communicate.

Ask Time: 2022-09-26 Answer Time: 2022-09-27

Regarding “How do I select elevator guide shoes or rollers?”, could electrical ratings prevent interchangeability?

Yes. Voltage, current, frequency, signal type, insulation class and power rating must remain within the equipment design limits.

Ask Time: 2022-09-25 Answer Time: 2022-09-25

Regarding “How do I select elevator guide shoes or rollers?”, what evidence should support a compatible replacement?

Ask for a comparison sheet, dimensional drawing, ratings, connector mapping, application history and a written statement of known limitations.

Ask Time: 2022-09-28 Answer Time: 2022-09-29