Buyer resource
Bearing RFQ checklist
Use this list before requesting a quotation. Unknown items can stay blank; marking them unknown is more useful than guessing.
Part identification
- Existing part number, drawing number and revision
- Bore, outside diameter, width and mounting envelope
- Photos of markings, failure surfaces and the surrounding assembly
Operating conditions
- Radial, axial and moment load, including peaks
- Speed, duty cycle and required service life
- Minimum and maximum temperature
- Dust, coolant, washdown, vacuum or corrosive medium
- Lubrication method and relubrication interval
Technical requirement
- Fit, clearance or preload
- Runout or accuracy requirement
- Material, heat treatment or coating only when specified
- Noise, torque or friction limits when relevant
Commercial and quality information
- Prototype quantity, first order quantity and annual demand
- Required inspection records and material reports
- Packing, marking and destination country
- Target date and approval process