Plain Brass Flange Bushings – Basic design for general-purpose use.
Oil-Impregnated (Oilite®) Flange Bushings – Porous brass infused with lubricant for maintenance-free operation.
Graphite-Plug Flange Bushings – Self-lubricating with embedded graphite plugs.
Thin-Walled vs. Thick-Walled – Varies based on load requirements.