Custom molded rubber bush neoprene bushings

A custom molded rubber bush can include the locating and clearance details needed for a particular receiving interface. In a neoprene design, the molded bore, outer profile and transitions between sections should be defined around the mating parts. Small shoulders or changes in wall thickness can have a functional role beyond the overall cylindrical shape.

Check the insertion direction and any feature that stops the bush at its intended position. An asymmetric part may appear to fit either way while leaving a different end face exposed. The selected formulation and installed geometry must suit the required contact and movement conditions.

Use smooth receiving surfaces and a fitting approach that supports the rubber rather than catches a thin lip. After assembly, inspect for incomplete seating or a shoulder folded inside the opening. During servicing, compare any wear with the intended contact areas. A polished patch on a normally clear section can indicate interference or movement outside the planned fit, which should be addressed before another bush is installed.

Material options

Neoprene. Custom formulation and color for the intended contact conditions.

Hardness selection

Rubber: 30–90 Shore A. A polished patch on a normally clear section can indicate interference or movement outside the planned fit, which should be addressed before another bush is installed.

Custom dimensions

In a neoprene design, the molded bore, outer profile and transitions between sections should be defined around the mating parts.

Fit & assembly

Check the insertion direction and any feature that stops the bush at its intended position.

Use & inspection

During servicing, compare any wear with the intended contact areas.

Photos illustrate structure or material only. Small shoulders or changes in wall thickness can have a functional role beyond the overall cylindrical shape. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.