BERGES Becker Pulleys (Variable Speed)

BERGES Becker Pulleys (Variable Speed) are designed for drives with infinitely variable speed adjustment. The speed adjustment is controlled by a mechanical, hydraulic, or electrical remote controls.
The basic types are according to the standard variable speed belt sizes.
They are mostly made of aluminum alloy.
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Pulleys Fields of Use
The BERGES Becker variable speed pulleys are designed for drives with infinitely variable speed adjustment that are driven by a variable speed belt or a V-belt.
The variable speed pulleys cover a power range of 0.25 to 200 kW.
They are typically used in machines where the speed change is made mechanically, especially in presses,
single-purpose machines, agricultural machines and other applications.
Pulleys Material
Aluminium alloy.
Pulleys Advantages
- Use of standard variable speed belts or V-belts is possible (Contitech are the main suppliers of variable speed belts for variators and variable speed transmissions Berges and Becker)
- Many standard designs, incl. custom-made production, supply of spare parts
- Small dimensions, low moment of inertia, economical symmetrical design
- Use of springs with optimal characteristics throughout the control range
- Use of special aluminum alloys, special hard-wearing surface finish
The company Berges and Becker manufactures variator pulleys with variator controls and accessories and also complete variator gearboxes, friction wheels and gearboxes, etc.
Pulley Basic Types
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Double pulley drive RF b for wide V-beltsRF b for power range to 160 kW (pdf, 187 kB)
- Double pulley drive RD bfor wide belts
RD b for power range to 160 kW (pdf, 189 kB) -
Double pulley drive KRM, RF for standard V-beltsKRM, RF for smaller power range to 5,5kW (pdf, 177 kB)
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Single pulley drives Fsb for wide V-beltsFsb for power range to 55kW (pdf, 138 kB)
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Single pulley drives KM, Fs for standard V-beltsKM, Fs for smaller power range to 5,5kW - only on demand (pdf, 187 kB)
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Assembly units RGAERGAE for power range from 0,37 to 160kW (pdf, 887 kB)
- Asymmetrical adjustable disc-type unit System
BECKER up to 45kW and also up to 200 kW
Documents for Download
Manufacturer Profile
BERGES is a leading global supplier of a wide range of variable speed pulleys covering power range of 0.25 to 200 kW. In addition to variable speed pulleys, the company also supplies remote controls and accessories of variable speed drives, complete variable speed transmissions, friction wheels, etc.
BERGES acquired the asymmetrical Becker pulley technology in 2003 and made itself world’s unique specialist in the construction of symmetrical and asymmetrical pulleys.
TYMA CZ is an authorized regional distributor of BERGES.
