PRC90NR, Protorque, PRC90 NR Element
Metric, Nitrile Rubber, PRC Coupling Element
PHE FRC130FR, SKF, FRC coupling element Fire-resistant and anti-static (FRAS)
Metric, Fire-resistant and anti-static (FRAS), HRC Coupling Element, EAN code: 07316573036104
This item is not currently available from our stocks.
Despatch date information is on request.
PHE FRC130RSB, SKF, FRC coupling Type B
Metric, Cast Iron, HRC Coupling Hub, 130, EAN code: 07316572622162
PHE FRC180FR, SKF, FRC coupling element Fire-resistant and anti-static (FRAS)
Metric, Fire-resistant and anti-static (FRAS), HRC Coupling Element, EAN code: 07316573036111
This item is not currently available from our stocks.
Despatch date information is on request.
PHE FRC180RSB, SKF, FRC coupling Type B
Metric, Cast Iron, HRC Coupling Hub, 180, EAN code: 07316572622469
PHE FRC230RSB, SKF, FRC coupling Type B
Metric, Cast Iron, HRC Coupling Hub, 225, EAN code: 07316572622780
PHE FRC280FR, SKF, FRC coupling element Fire-resistant and anti-static (FRAS)
Metric, Fire-resistant and anti-static (FRAS), HRC Coupling Element, EAN code: 07316573036128
This item is not currently available from our stocks.
Despatch date information is on request.
PHE FRC280HTB, SKF, FRC coupling Type H
Metric, Cast Iron, HRC Coupling Hub, 275, EAN code: 07316572623121
PHE FRC280RSB, SKF, FRC coupling Type B
Metric, Cast Iron, HRC Coupling Hub, 275, EAN code: 07316572623237
PHE FRC70FR, SKF, FRC coupling element Fire-resistant and anti-static (FRAS)
Metric, Fire-resistant and anti-static (FRAS), HRC Coupling Element, EAN code: 07316573036159
This item is not currently available from our stocks.
Despatch date information is on request.
What are the features and benefits of HRC couplings?
HRC Couplings have a relatively high load carrying capacity and can dampen moderate shock loads and vibration. It can also accommodate incidental misalignment and is virtually maintenance-free. The HRC Coupling is available from Acorn with a pilot bore, finished bore or tapered bush, its interlocking design also makes it easy to install.
Features & Benefits of the Flex Coupling
- High speed capability
- Cost effective solution
- Relatively high load carrying capacity
- Can accommodate moderate shock loads and vibration levels as well as misalignment
- Virtually maintenance-free
- Easy to install with its interlocking design
HRC Couplings FAQs
What is an HRC coupling?
An HRC (Highly Resilient Coupling) is a flexible shaft coupling designed for general industrial applications. It typically consists of:
- Two cast iron or steel hubs
- One flexible rubber or elastomeric element
The flexible element sits between the hubs, transmitting torque while cushioning shock loads and accommodating small amounts of misalignment. This combination of rugged construction and resilience makes HRC couplings a popular choice for plant and machinery drives.
How often should the HRC insert be replaced?
The service life of an HRC insert depends on load, speed, alignment, ambient conditions and duty cycle. Regular visual inspections are recommended. Signs such as cracking, tearing, excessive hardness or deformation indicate that the insert should be replaced.