Power transmission – SARAF GROUP

Power transmission

Designing efficient and reliable power transmission systems demands the right components, tools, and expertise. With our proven and customizable solutions, you gain enhanced reliability, reduced maintenance, improved performance, and faster return on investment—ensuring smooth machine operation and profitable, uninterrupted production.

Belts

Plant efficiency is a critical performance driver, and SKF’s Plant Belt Drive Mapping service helps improve it by assessing all belt drives and recommending optimal solutions to increase efficiency and extend equipment life. Selecting high-quality belts reduces total ownership costs, with SKF offering options from standard V-belts to Xtra Power belts that transmit up to 40% more power.

SKF belts are manufactured to PTP 0299 standards, available in all standard types, and made from diverse materials. With clear selection tools, calculation support, and an online catalogue, choosing the right belt is fast, accurate, and reliable—delivering improved performance, longevity, and overall plant efficiency.

V-belts

Timing belts

Ribbed belts

Lawn and garden belts

Pulleys

Choosing the correct sprocket is essential for efficient power transmission. SKF offers a comprehensive range of sprockets in multiple sizes and configurations to suit diverse machine designs without customization. Manufactured from high-quality steel and carbon steel, SKF sprockets meet ISO 606 and ASME B29.100 standards and can be enhanced with surface treatments such as black oxide or zinc plating. Optional taper bushes simplify installation, ensuring accurate fit, high performance, and long service life.

V-belt pulleys

Timing belt pulleys

Sprockets

Choosing the correct sprocket is essential for efficient power transmission. SKF offers a comprehensive range of sprockets in multiple sizes and configurations to suit diverse machine designs without customization. Manufactured from high-quality steel and carbon steel, SKF sprockets meet ISO 606 and ASME B29.100 standards and can be enhanced with surface treatments such as black oxide or zinc plating. Optional taper bushes simplify installation, ensuring accurate fit, high performance, and long service life.

Metric roller chain sprockets

ANSI roller chain sprockets

Chains

Choosing the correct sprocket is essential for efficient power transmission. SKF offers a comprehensive range of sprockets in multiple sizes and configurations to suit diverse machine designs without customization. Manufactured from high-quality steel and carbon steel, SKF sprockets meet ISO 606 and ASME B29.100 standards and can be enhanced with surface treatments such as black oxide or zinc plating. Optional taper bushes simplify installation, ensuring accurate fit, high performance, and long service life.

Transmission chains

Conveyor chains

Leaf chains

Agricultural chains

Bushings and hubs

SKF bushings and hubs are available in multiple variants to suit power transmission applications across industries, from automotive to paper manufacturing. Made from high-quality steel with phosphate coating or blackening for corrosion resistance, the range includes taper, QD, keyless bushings, and weld-on or bolt-on hubs. Designed for easy installation and removal using basic tools, these products minimize downtime while handling high torque, axial loads, and extreme temperatures. With a wide selection of metric and imperial sizes available off the shelf, no customization is required for fast and reliable integration.

SH Bushings

Keyless bushings

QD bushings

Taper bushings

Couplings

SKF offers a wide range of coupling solutions designed to improve power transmission performance under demanding conditions. The portfolio includes grid, gear, flex, jaw, OK, and flexible shaft couplings, selected based on size, torque, and application requirements. Manufactured from high-grade materials and protected with corrosion-resistant surface treatments, these couplings handle high torque, accommodate shaft misalignment, and support efficient, reliable operation. Custom solutions and multiple sizes are available to meet diverse industrial needs while ensuring long service life and reduced maintenance.

OK Couplings

Jaw couplings

FRC couplings

Flex couplings

Gear couplings

Grid couplings

Bolts and tightening systems

SKF hydraulic tightening solutions ensure accurate and reliable bolt tightening, eliminating torsional stress and friction while delivering high precision and repeatability. Suitable for standard and specialized bolted assemblies, these systems help prevent failures and significantly reduce maintenance time.

Advanced solutions such as Cold Tight systems minimize downtime in steam turbines by eliminating lengthy cool-down periods, while oil-injection methods simplify mounting and dismounting of propellers and hydraulic rings. The Supergrip bolt range further enhances efficiency with easy installation and removal for rotating flange couplings—ensuring safer, faster, and more reliable maintenance operations.

Hydraulic rings and propeller nuts

Hydraulic tension tightening

Supergrip bolts