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Designation and document checklist

Keep designations, quantities, destination and application information distinct.

Group R&D centre in Dalian
Group R&D centre in Dalian

Provide the original brand, complete designation, suffixes, pairing marks and document revision. Keep quantities, units, destination and application questions in separate fields.

Product identification

Include marking or packaging photographs and the complete designation. Retain slashes, hyphens and suffixes. State which information comes from the original document and which comes from the installed component.

Equipment and conditions

For technical questions, include equipment, bearing position, installation drawings, loads, speed, temperature, lubrication and maintenance history. Keep measurement units and operating conditions with each value.

Documents and next steps

Submit the parameter sheet, drawings and available inspection records, identifying revisions. Keep the inquiry reference for later additions. Missing values are not inferred from another brand or a similar designation.

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ZWZ knowledge assistant

Ask about published product parameters and technical material. Engineering selection, interchangeability and commercial terms require human confirmation.

Bearing calculator: load / speed / life → candidates

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