ROTEX 48-BK-42-ST, KTR, Size 48 Spider-jaw coupling
48, Keyway, bored to size, Standard Hub
ROTEX 48-BK-55-CI-LRG, KTR, Size 48 Spider-jaw coupling
48, Keyway, bored to size, Large Hub
ROTEX 55-BK-48-CI, KTR, Size 55 Spider-jaw coupling
55, Keyway, bored to size, Standard Hub
ROTEX 55PB-CI, KTR, Size 55 Spider-jaw coupling
55, Pilot Bore, Standard Hub
ROTEX 65-64SHEL, KTR, Size 65 Spider-jaw coupling
65, Element, Green Element (64 Shore)
ROTEX 65-BK-50-CI, KTR, Size 65 Spider-jaw coupling
65, Keyway, bored to size, Standard Hub
S100-PB82-ELEMENT, Tschan, Size 100 Pb82 Element
100, Element, Black Element (82 shore)
S100-VKR-ELEMENT, Tschan, Size 100 VKR Element
100, Element, Red Polyurethane (93 shore)
S70-PB82-ELEMENT, Tschan, Size 70 Pb82 Element
70, Element, Black Element (82 shore)
S85-PB82-ELEMENT, Tschan, Size 85 Pb82 Element
85, Element, Black Element (82 shore)
S125-PB82-ELEMENT, Tschan, Size 125 Pb82 Element
125, Element, Black Element (82 shore)
S125-VKR-ELEMENT, Tschan, Size 125 VKR Element
125, Element, Red Polyurethane (93 shore)
S200-PB82-ELEMENT, Tschan, Size 200 Pb82 Element
200, Element, Black Element (82 shore)
S20-VKR-ELEMENT, Tschan, Size 20 VKR Element
20, Element, Red Polyurethane (93 shore)
S230-PB82-ELEMENT, Tschan, Size 230 Pb82 Element
230, Element, Black Element (82 shore)
S30-VKR-ELEMENT, Tschan, Size 30 VKR Element
30, Element, Red Polyurethane (93 shore)
S360-PB82-ELEMENT, Tschan, Size 360 Pb82 Element
360, Element, Black Element (82 shore)
S360-VKR-ELEMENT, Tschan, Size 360 VKR Element
360, Element, Red Polyurethane (93 shore)
S400-PB82-ELEMENT, Tschan, Size 400 Pb82 Element
400, Element, Black Element (82 shore)
S40-PB82-ELEMENT, Tschan, Size 40 Pb82 Element
40, Element, Black Element (82 shore)
What are the features and benefits of spider couplings?
Torsionally flexible
Curved-jaw spider couplings have a high level of torsional elasticity, meaning that they are accommodating of both parallel and angular misalignments.
Dampening
These couplings are dampening of both vibration and shock loads, helping to protect surrounding equipment from harsh operating conditions.
Fail-safe
Curved-jaw Spider couplings are fail safe. This means that even if the spider element fails, the coupling will continue to function. This reduces the risk of damage to surrounding equipment, as well as unplanned downtime.
Maintenance-free
These couplings do not require any further maintenance after fitting as they are lubrication free. This eliminates the need for downtime, as well as costly maintenance practices.
Curved-Jaw Spider Couplings FAQs
What is a curved-jaw spider coupling?
A curved-jaw spider coupling is a flexible shaft coupling designed to connect two rotating shafts while reducing vibration, shock, and minor misalignment. The curved jaws and elastomer spider help transmit torque smoothly in industrial machinery.
What are curved-jaw couplings used for?
Curved-jaw couplings are commonly used in:
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Electric motors
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Pumps
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Gearboxes
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Compressors
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Conveyor systems
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General industrial power transmission equipment
They help protect machinery while maintaining efficient torque transfer.
How do I choose the right curved-jaw coupling?
When selecting a curved-jaw spider coupling consider:
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Shaft size
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Required torque
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Speed (RPM)
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Operating environment
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Misalignment tolerance
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Spider material
Choosing the correct specification ensures optimal performance and longer service life.