45# Steel Flexible Tyre Coupling – Oil Resistance, High Misalignment, Replaces Martin / Fenaflex

Factory direct | 45# steel hubs | Oil-resistant rubber tyre | -50°C to +50°C operating range | Fire-resistant & anti-static (FRAS) | High misalignment capacity | Maintenance-free | Replaces Martin, Fenner, Fenaflex | OEM/ODM/OBM

The Apexcoupling Flexible Tyre Coupling series is a high-performance elastomeric coupling designed for demanding power transmission applications where misalignment, vibration, and shock loads are present. Featuring 45# steel hubs with a black oxide finish and a high-quality rubber tyre element, this coupling delivers excellent shock absorption, vibration damping, and misalignment compensation. The rubber tyre is available in oil-resistant and fire-resistant (FRAS) compounds, with an operating temperature range of -50°C to +50°C. With high misalignment capacity (up to 4° angular, 6mm parallel, 8mm axial) and maintenance-free operation, this coupling is the ideal replacement for Martin, Fenner, and Fenaflex tyre couplings – offering the same performance at factory-direct pricing. Suitable for pumps, motors, compressors, conveyors, fans, metallurgical equipment, and general industrial machinery.

✅ Replaces Martin, Fenner, Fenaflex – same dimensions, better value. Oil-resistant rubber tyre – -50°C to +50°C. Fire-resistant & anti-static (FRAS) option available. High misalignment capacity – up to 4° angular, 6mm parallel, 8mm axial.

Key Technical Specifications

🔧 Custom bores, taper bushings, tyre compounds (natural rubber, neoprene, FRAS), and hub materials available. Contact us with your specifications.

Product Structure

1. Two 45# Steel Hubs – High-strength carbon steel, precision-machined, black oxide finish for corrosion resistance.

2. Rubber Tyre Element – High-elasticity rubber with fabric reinforcement, available in natural rubber, neoprene, or FRAS compounds.

3. Bolted Flange Connection – Secure tyre-to-hub attachment via bolts – easy assembly and disassembly.

💡 How it works: The tyre coupling consists of two steel hubs connected by a rubber tyre element. Torque is transmitted through the tyre via shear and compression, while the tyre’s elasticity absorbs shock, dampens vibration, and compensates for angular, parallel, and axial misalignment. The tyre can be easily replaced without moving the connected shafts – reducing maintenance downtime.

Tyre Compound Options

✅ FRAS (Fire Resistant Anti-Static) tyres are recommended for applications where fire safety and static electricity dissipation are critical – such as mining, chemical plants, and food processing.

Product Features & Advantages

Tyre Coupling vs Jaw Coupling – Key Differences

✅ Choose tyre coupling when: You need maximum misalignment capacity, shock absorption, and vibration damping – ideal for pumps, crushers, and heavy industrial drives.

Applications

• Pumps – Centrifugal, gear, and diaphragm pumps

• Motors – Electric motor drives

• Compressors – Air and gas compressors

• Conveyors – Material handling systems

• Fans & Blowers – Ventilation systems

• Metallurgical Equipment – Rolling mills, continuous casting lines

• Food & Beverage Processing – With FRAS or neoprene tyre option

• Mining Equipment – Crushers, conveyors – FRAS option recommended

• Chemical Industry – Pumps, mixers – FRAS or neoprene option recommended

• General Industrial Machinery – Wide range of power transmission applications

Why Choose Apex Coupling for Tyre Couplings?

FAQ

Q: What is a tyre coupling?
A: A tyre coupling (also called a tire coupling or flexible tyre coupling) is an elastomeric coupling that uses a rubber tyre element to transmit torque between two shafts. It accommodates high misalignment, absorbs shock, and dampens vibration.

Q: What is the advantage of the tyre coupling over jaw couplings?
A: Tyre couplings offer much higher misalignment capacity (up to 4° angular, 6mm parallel) and better shock absorption than jaw couplings – making them ideal for applications with significant misalignment or vibration.

Q: What materials are used for the hubs?
A: The hubs are made of 45# high-quality carbon steel with a black oxide finish for corrosion resistance.

Q: What temperature range can the coupling operate in?
A: Standard natural rubber tyres operate from -50°C to +50°C. Neoprene and FRAS tyres operate from -15°C to +70°C.

Q: Is the coupling oil-resistant?
A: Yes. Neoprene and FRAS tyre compounds offer excellent resistance to oil and grease contamination.

Q: What is FRAS?
A: FRAS stands for Fire Resistant Anti-Static. FRAS tyres are made from chloroprene compound that is fire-resistant and dissipates static electricity – recommended for mining, chemical, and hazardous environments.

Q: Can the coupling compensate for misalignment?
A: Yes. The tyre coupling accommodates up to 4° angular, 6mm parallel, and 8mm axial misalignment.

Q: Does the coupling require lubrication?
A: No. The tyre coupling is maintenance-free – no lubrication required.

Q: Is this coupling a replacement for Martin or Fenaflex?
A: Yes. Our tyre coupling is a direct replacement for Martin, Fenner, and Fenaflex tyre couplings – same dimensions, same performance, better value.

Q: Can I get a custom coupling?
A: Yes. We offer OEM, ODM, and OBM support – custom bores, taper bushings, tyre compounds, and hub materials available.

Request a Quote

Send us your required bore size, tyre type (natural rubber, neoprene, or FRAS), torque, speed, and application details. Our engineers will recommend the optimal model and provide a quotation within 24 hours.