F Flexible Couplings (F Type Tyre & Elastomeric Couplings)
High Flexible Tire Couplings of all kinds ( F40, F60, F80, F90, F100, F110, F120, F140, F160, F180, F200, F220, F250)
- Material: cast iron GG25, GG20 steel: C45
- Made up of 3 parts: 2 couplings and one tyre body.
- Size from F40-F250. and Type: “B”, “F”, “H”.
- Working temp: -20~80ºC
- Transmission torque:10-20000N.M
- Axial misalignment: D*2%
- Radial deviation: D*1%
- Angular misalignment: 3°-6°
- Application: tire couplings are usually used in wet, dusty, udner attact, vibration, rotating and complex working condition. like: diesel pump
- Installation: easy on, easy off.
- Maintenance: no need for lubricating and durable.
F Flexible Couplings (commonly known as F-Type Tyre or Heavy-Duty Elastomeric Couplings) are high-torque power transmission solutions designed to join driving and driven shafts across industrial applications. Engineered to absorb high torsional shock loads, reduce mechanical vibration, and dampen system noise, F Flexible Couplings protect critical gearbox and motor components from structural stress caused by angular, parallel, and axial shaft misalignments.
Key Features & Engineering Advantages
- Durable Metallic Flanges: High-grade cast iron or steel flanges ensure high torsional strength and structural rigidity under heavy industrial loads.
- High Misalignment Tolerance: Flex-tyre elastomeric elements compensate for significant angular and parallel shaft misalignments without inducing severe end-thrust on bearings.
- Vibration Damping & Shock Absorption: Resilience-rated rubber or synthetic inserts cushion shock loads from reciprocating machinery and internal combustion engine drives.
- Easy Maintenance: Split elastomeric inserts allow field replacement without displacing the connected motor or driven equipment, significantly cutting downtime.
- Custom Bore Options: Available with pilot bore, finished bore with standard keyway (DIN/ANSI), or taper lock bush clamping systems.
F Flexible Coupling Technical Specifications & Drawings
Operational Characteristics & Application Scenarios
Unlike rigid couplings which require precise shaft alignment, F Flexible Couplings offer high torsional flexibility. This makes them ideal for equipment subjected to cyclic torque variations or sudden impulse loading. Depending on operational environment requirements, inserts can be selected in standard NBR, neoprene, or heat-resistant polyurethane formulations.
Typical Applications Include:
- Heavy Conveyors & Elevators: Industrial belt and bucket systems with frequent start-stop duty cycles.
- Pumps & Compressors: Centrifugal pumps, rotary blowers, and reciprocating air compressors.
- Processing Machinery: Crushers, ball mills, mixing tanks, and rotary kilns in mining and cement plants.
- Generators & Marine Drives: Engine-driven power units requiring torsional dampening.
Product Gallery & Customization Services
We supply full range F Flexible Couplings in both standard metric and inch sizes, as well as customized hubs according to customer drawings. Contact our technical engineering team at sales@powertrans-tech.com for CAD drawings, selection assistance, and OEM pricing.
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How to choose power transmissions parts and industrial products which meet our requirement
| Chains | Sprockets | Pulleys | Timing belt Pulley | V-belt Pulley |
| Sheaves | Coupings | Bush &Hub | Gear& Rack | V-Belt |
| Locking Assembly | Pulley | Gearbox | Reducer | Shaft Collar |
| Rod End Bearing | Clevis | PTO | Chain Guide | Belt Guide |
| Rubber Buffer | Chain Tensioner | PTO Drive Shafts | Universal Joints | Roller Chains |
| Conveyor Chains | V-Belts | Worm Gearbox | Helical Gear | Worm |
| Agricultural Chain | CNC Proces Parts | Casting | Stamping | |
| Powder Metallurgy | CNC Proces Parts | Casting | Stamping |
What Products Do you sell ?
We are a group of factories, give customer one stop solution of power transmission and industrial products. We are in the position to supply wide range of products, including chains, sprockets, v-belt and v-belt pulleys, timing belt and timing belt pulleys, gears, speed reducers, motors, racks, couplings, and many other parts, like locking assembly, taper bushing, Chain guide, shaft collar, torque limiter, cam clutch, universal joint, motor base and motor slide, rod end, clevis, rubber mount, etc. We make special parts according to drawings and/or samples.
How to choose a gearbox which meets our requirement?
You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.
What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor informationetc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.
What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry,
escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.
What is the producing process?
Production process including raw material cutting, machine processing, grinding, accessories cleaning, assemble, cleaning, stoving, oil coating, cover pressing, testing, package.
How to control the products quality?
Combining advanced equipment and strict management, we provide high standard and quality bearings for our customers all over the world.
What is the transportation?
-If small quantity , we Suggest to send by express, such as DHL,UPS, TNT FEDEX. If large amount, by air or sea shipping.
Can we design packaging?
-Yes. Default is regular packing, and we can make customer's own packing.
Can you provide OEM service?
-Yes, we work on OEM orders. Which means size, quantity, design, packing solution, etc will depend on your requests; and your logo will be customized on our products.
Can you give me discount on Power Transmissions Parts and Industrial parts?
-Yes, of course. Pls. send me your Email, you'll get more
Q: Are You a trading company or a manufacturer?
A: We Are the factory and have our Own trading company
Q: How Can I get an offer?
A: please send US quotation information: drawings, materials, weight, quantity and requirements, we can accept PDF, ISGS, DWG, STEP file format. If you don't have the drawings, please send us the samples, we can also quote you according to your samples.
Q: What is your minimum order size?
A: it is usually 100 pieces, but a low quantity is acceptable under some special circumstances.
Q: Do you provide samples? Is it free or extra?
A: Yes, we can provide samples free of charge, but we don't pay the freight.
Q: What is the lead time for mass production?
A: honestly, it depends on the number of orders. Normally, if you don't need the tools, deposit them after 30 days or so.
Q: What if the parts don't Work?
A: we can guarantee the quality, but if it happens, please contact us immediately, take some photos, we will check the problem and solve it as soon as possible.
Q: What are your terms of payment?
A: payment is less than US $1000,100% in advance. Payment: $1000,50% wire transfer in advance, balance before shipment,Other Terms of payment are negotiable
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