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.

Regal Rexnord - Centa
The Regal Rexnord - Centa CENTAFLEX-B industrial component features a polyurethane design built in frame size 165, designated by manufacturer model CF-B-165-R and part number 1638836. This CENTA-ELASTIKELEMENT series part is specified by the exact configuration provided. Submit the exact part number, quantity, and application requirements for a formal 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 Regal Rexnord - Centa 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 Regal Rexnord - Centa 1638836. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.