MP-pulley with plain bearing
This range of polyamide pulleys features a bushing made out of self-lubricating sintered bronze which is oil impregnated, increasing the working life. Sintered bronze is highly corrosion and wear resistant.
For different rope diameter, different pulleys are available, see:
https://www.carlstahl-technocables.com/products/pulleys/mp-pulley-with-plain-bearing.html