HRC Coupling Inserts

HRC coupling inserts are rubber replacement inserts suitable for a wide range of transmission coupling applications. Choosing a high quality rubber insert is as important as the accurate alignment of coupling, as the inserts play a key role in shock and vibration absorption.

What are HRC coupling inserts used for?

HRC coupling inserts are used in a wide range of applications, such as hydraulic machinery, conveyors, hydraulic pumps, wood-turning equipment, electric motors, milling machines, crushers and compressors. They are available in natural rubber for use in varying ambient temperatures. The taper bush fixings allow for quick and easy assembly, and alignment can be checked easily using a straightedge.

How to choose the right HRC coupling inserts

The choice of HRC coupling insert depends on the preferred shaft attachment strategy. These could include F flange type coupling, bush mounted, or H flange bush attachment types. One complete coupling comprises of two flanges and one insert, which you can order separately.


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Description Price Bore Length Coupling Types Material Maximum Operating Temperature Minimum Operating Temperature
RS Stock No. 183-805
BrandRS PRO
MYR45.22
Each
units
45mm 38mm HRC Coupling Nitrile Rubber +100°C -40°C
RS Stock No. 183-811
BrandRS PRO
MYR55.58
Each
units
50mm 38mm HRC Coupling Nitrile Rubber +100°C -40°C
RS Stock No. 183-798
BrandRS PRO
MYR27.22
Each
units
32mm 29mm HRC Coupling Nitrile Rubber +100°C -40°C
RS Stock No. 183-782
BrandRS PRO
MYR17.03
Each
units
31mm 29mm HRC Coupling Nitrile Rubber +100°C -40°C