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
Engineered by SKF, the 404-040K is a straight (gerade) industrial component manufactured from galvanized steel (Stahl, verzinkt) with a maximum operating pressure rating of 45 bar. This fitting features a tapered external thread of R1/8 keg., an internal thread of M8x1, and accommodates a tube size of Ø 4mm. Submit your exact part number, quantity, and application requirements to request a quote for this SKF part.
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 404-040K. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.