BP pulley without bearing
The chemical composition, and highly crystaline molecular structure of Delrin give the Carl Stahl BP-Pulley the following physical features:
High mechanical tensile strength
High impact resistance
High durability
Self lubrication
Highly moisture resistant, gasoline, oil and UV-stabilized
Highly resistant against deformation and suitable for temperatures up to 110°C
BP Pulleys are made of POM and do not have a bearing
Depending on the cable diameter, different types of pulleys are available, see:
https://www.carlstahl-technocables.com/products/pulleys/bp-pulley-without-bearing.html