Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

SKF
The SKF DIN7603-A17X21-CU copper industrial component, manufacturer model FLACHDICHTRING DIN7603-A17X21-CU (207139), features an outside diameter of 20.9 mm and an inside diameter of 17.2 mm. This copper flat sealing ring is constructed from material specified as Kupfer. Submit the exact part number, quantity, and application requirements to request a quote.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued SKF references — within one business day.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against SKF DIN7603-A17X21-CU. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.