Torsionally flexible coupling LK series
elastomertorsionally rigidfor diesel engines

torsionally flexible coupling
torsionally flexible coupling
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elastomer, torsionally flexible, torsionally rigid
Product applications
for pumps, transmission, for railway applications, flange, for shafts, industrial, for mechanical power transmission, gearbox, for the cement industry, for machines, for marine applications, flange, for lifting equipment, for compressors, for diesel engines, for excavators, conveyor, for mixers, for agitators, for railway vehicles
Other characteristics
heavy-duty, compact, disassemblable, maintenance-free, shaft-hub, close-coupled, misalignment correction, compensating, high-performance, large, anti-vibration, flywheel, non-lubricated
Installation system
flange, shaft sleeve

Min.: 125 Nm (92.1953

Max.: 6,000 Nm (4,425.3729

Rotational speed

Min.: 1 rpm (6.28 rad.min-1)

Max.: 6,000 rpm (37,699.11 rad.min-1)


For applications with diesel, gasoline or natural gas engines which drive one or more flange-mounted hydraulic pumps. LK torsional couplings are usable with all engine-driven hydrostatic applications in the low to mid power range. They are maintenance-free and are characterized by low weight, high torsional stiffness and long service life. Their performance spectrum includes all ranges from 125 to 6,000 Nm. The shape and length of the hubs are modifiable, different flange positions are possible. Various series are available for standardized SAE flywheels and non-standardized flywheels. Salient features and advantages: » Compact, light, robust and safe in operation with a long service life. » Oil resistant and suitable for temperatures of -40°C up to +150°C. » High torsional stiffness allowing operation below critical speed without resonances, provided it is correctly selected. » Service free combination of sintered metal with highly shock resistant, temperature stabilized special polyamide. » Short mounting length, easy assembly since it can be mounted axially. » The hubs can be equipped with the proven patented L-Loc clamping system. With L-Loc, the coupling hub can be fit to splined shafts absolutely free of movement to eliminate fretting. » The hubs can be modified in form and length as required. » Various series for standardised SAE-flywheels and non-standard flywheels. » Low priced and normally available from stock.


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