SKF – a single source supplier of world-class Power Transmission solutions


SKF wedge belts provide space saving higher durability and a longer life span

SKF delivers superior quality end-to-end power transmission solutions for virtually any type of application in industries such as agriculture, sugar, cement, coal, and minerals processing.

SKF’s comprehensive range of conveyor chain, belt drives, wedge belts, standard and specialist couplings, locking elements and rapidly detachable bushes, combined with specialist services, conveniently give customers access to all their power transmission requirements from a world-class single-source supplier.

Kicking off the power transmission portfolio is SKF’s innovative conveyor chain which is perfectly suited to conveying or lifting a load at relatively low speeds.

Frans Odendaal, Product Manager: Power Transmission at SKF recommends SKF belt drives as the best solution in applications where the speed limit of chain drives is exceeded or if the cost of running chains becomes exorbitant. He explains that belt drives need higher speed to generate the friction required to drive a system. SKF’s belt drive range, which consists of friction (vee, poly wee and wedge) as well as toothed belt drives, are particularly successful in the packaging and automation sectors, where high accuracy with low torque is required.

“We also offer an XP range of wedge belts that have a 30-40% higher power rating compared to standards wedge belts,” continues Odendaal. “These are ideal for space constrained applications where the same torque with less slippage is required via a smaller belt profile.
”He adds that features such as space saving, higher durability and a longer life span have resulted in wedge belts replacing the old classical vee belts and becoming the standard in both the USA and Europe.

SKF wedge belts provide space saving higher durability and a longer life span

SKF’s Power Transmission division offers both standard as well as specialist couplings. Standard shaft-to-shaft coupling types include grid, gear, Disc, rigid, chain, FRC, jaw couplings as well as universal joints. SKF provides a full range of gear couplings (up to size 160 and above on special request) which correlates to a shaft size of around 500 mm.

SKF disc coupling are designed for medium to high torque and is maintenance free. The all steel construction offer high speed, high temperature and high running accuracy.

According to Odendaal specialised couplings can be customised to suit brake discs, drums or modified units that include shear pin torque protection. As in the case of belt drives, SKF is able to customise the materials and heat treatment processes suited for special application requirements.

SKF’s extensive range of locking elements – self-centering; non-self-centering and with very high torque ratings – are mostly used on conveyors to link the head and tail pulley drums to their drive shafts.

Completing SKF’s power transmission range are the rapidly detachable bushes. Similar to a taper lock, the units are ideal for applications where shaft diameters are relatively large in relation to the hub diameters. Odendaal explains that detachable bushes are installed via a key in the shaft, but are tapered into the corresponding hub or pulley.

SKF’s ultra-efficient power transmission products are supported by a dependable supply chain and specialist services delivered by a team of skilled engineers. “In short, our optimum, reliable and seamless power transmission solutions keep operational costs to a minimum for lowest total cost of ownership and ultimate customer peace of mind,” concludes Odendaal.

SKF’s mission is to be the undisputed leader in the bearing business. SKF offers solutions around the rotating shaft, including bearings, seals, lubrication, condition monitoring and maintenance services. SKF is represented in more than 130 countries and has around 17,000 distributor locations worldwide. Annual sales in 2018 were SEK 85 713 million and the number of employees was 44,428.

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