HRC Coupling Flanges

HRC coupling flanges are simple fittings with tapered locking bush fixings. They are commonly used in applications involving electric motors and rotating shafts.

What are HRC coupling flanges made of?

HRC couplings are made up of 2 cast-iron halves that are attached to shafts by either a hub mount or flange mount taper bushes. Between these two halves is a rubber 'spider' that acts as a shock absorber.

What are the different types of HRC coupling flanges?

There are three main types of HRC coupling flanges: H, F and B, and it's important to choose the right one for each application. H stands for Hub insertion, F is for Flange insertion and B is for Bore flange.

With a hub flange, you insert the tapered locking bush from the outer hub side, whereas with a flange type you insert the tapered locking bush from the inner flange side. A bore flange comes ready made with a pilot bore flange. You can also mix all three types together.


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Description Price Type Bore Bore Depth Length Overall Diameter Coupling Types Material Maximum Operating Temperature Minimum Operating Temperature
RS Stock No. 183-192
BrandRS PRO
$13.95
Each
units
F 28mm 23.5mm 29mm 85mm HRC Coupling Nitrile Rubber +100°C -40°C
RS Stock No. 184-735
BrandRS PRO
$13.95
Each
units
H 28mm 23.5mm 29mm 85mm HRC Coupling Nitrile Rubber +100°C -40°C
RS Stock No. 183-186
BrandRS PRO
$15.80
Each
units
F 25mm 23.5mm 29mm 69mm HRC Coupling Nitrile Rubber +100°C -40°C
RS Stock No. 184-785
BrandRS PRO
$8.88
Each
units
H 25mm 23.5mm 29mm 69mm HRC Coupling Nitrile Rubber +100°C -40°C
RS Stock No. 184-684
BrandRS PRO
$20.36
Each
units
H 42mm 26.5mm 38mm 130mm HRC Coupling Nitrile Rubber +100°C -40°C
RS Stock No. 184-779
BrandRS PRO
$15.02
Each
units
H 42mm 26.5mm 38mm 112mm HRC Coupling Nitrile Rubber +100°C -40°C
RS Stock No. 184-763
BrandRS PRO
$19.34
Each
units
F 42mm 26.5mm 38mm 130mm HRC Coupling Nitrile Rubber +100°C -40°C
RS Stock No. 183-209
BrandRS PRO
$14.26
Each
units
F 42mm 26.5mm 38mm 112mm HRC Coupling Nitrile Rubber +100°C -40°C
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