PCJ90EG, Protorque, Curved Jaw Coupling, Size 90 64Sh Element, Green
Element, Green Element (64 Shore)
PCJ90EY, Protorque, Curved Jaw Coupling, Size 90 92Sh Element, Yellow
Element, Yellow Element (92 Shore)
S70-PB72-ELEMENT, Tschan, Size 70 Pb72 Element
70, Element, Black Element (72 shore)
S85-PB72-ELEMENT, Tschan, Size 85 Pb72 Element
85, Element, Black Element (72 shore)
S85-VK60D-ELEMENT, Tschan, Size 85 VK60D Element
85, Element, Beige Polyurethane (60 Shore)
S100-PB72-ELEMENT, Tschan, Size 100 Pb72 Element
100, Element, Black Element (72 shore)
S100-VK60D-ELEMENT, Tschan, Size 100 VK60D Element
100, Element, Beige Polyurethane (60 Shore)
S100-VKR-ELEMENT, Tschan, Size 100 VKR Element
100, Element, Red Polyurethane (93 shore)
S125-PB72-ELEMENT, Tschan, Size 125 Pb72 Element
125, Element, Black Element (72 shore)
S125-VK60D-ELEMENT, Tschan, Size 125 VK60D Element
125, Element, Beige Polyurethane (60 Shore)
S145-VK60D-ELEMENT, Tschan, Size 145 VK60D Element
145, Element, Beige Polyurethane (60 Shore)
S170-PB72-ELEMENT, Tschan, Size 170 Pb72 Element
170, Element, Black Element (72 shore)
S170-VK60D-ELEMENT, Tschan, Size 170 VK60D Element
170, Element, Beige Polyurethane (60 Shore)
S200-PB72-ELEMENT, Tschan, Size 200 Pb72 Element
200, Element, Black Element (72 shore)
S200-VK60D-ELEMENT, Tschan, Size 200 VK60D Element
200, Element, Beige Polyurethane (60 Shore)
S20-PB82-ELEMENT, Tschan, Size 20 Pb82 Element
20, Element, Black Element (82 shore)
S230-PB72-ELEMENT, Tschan, Size 230 Pb72 Element
230, Element, Black Element (72 shore)
S230-VK60D-ELEMENT, Tschan, Size 230 VK60D Element
230, Element, Beige Polyurethane (60 Shore)
S230-VKR-ELEMENT, Tschan, Size 230 VKR Element
230, Element, Red Polyurethane (93 shore)
S260-PB72-ELEMENT, Tschan, Size 260 Pb72 Element
260, Element, Black Element (72 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.