
Aegis Bearing Protection Rings SGR-0.875-UKIT-1A4 Rings
The Aegis Bearing Protection Rings SGR-0.875-UKIT-1A4 Rings are essential for industrial motors reaching peak performance under Variable Frequency Drive (VFD) control. Specifically engineered for NEMA frame 143T and NEMA frame 145T motors with a 0.875 inch shaft diameter, this split ring design allows for seamless retrofit installation without motor disassembly. By utilizing Electron Transport Technology, the conductive microfibers provide a low-impedance path to ground, effectively preventing electrical bearing damage such as fluting and EDM pitting. Protecting your motor bearings ensures equipment longevity and significantly reduces unplanned downtime in critical HVACR and manufacturing systems. This uKIT includes universal mounting brackets to accommodate various motor end-bell configurations, offering a versatile shaft grounding solution for maintenance professionals.
Key Benefits:
- Eliminates Electrical Discharge: Safely diverts harmful shaft voltages away from motor bearings to prevent bearing fluting.
- Split-Ring Design: Enables fast, easy retrofit installation on existing equipment without removing couplings or pulleys.
- Universal Compatibility: Fits NEMA 143T, 145T, and 56HZ frames with a 7/8 inch (0.875") shaft.
- Long-Term Reliability: Maintenance-free microfibers ensure continuous protection for the mechanical life of the motor.
- Protects VFD Systems: Minimizes the risk of premature bearing failure caused by high-frequency common-mode voltage.
Common Questions:
Why do I need a grounding ring for my VFD-driven motor?
VFDs induce high-frequency voltages on the motor shaft. Without a ground path, these voltages discharge through the bearings, causing microscopic pitting and "fluting" that lead to noise, vibration, and total failure.
Can I install this SGR-0.875-UKIT-1A4 without taking the motor apart?
Yes. The split ring design is specifically made for field retrofits. It can be opened and placed around the 0.875" shaft, then secured with the included universal mounting brackets.
What is the difference between a solid ring and a split ring?
A solid ring must be slid over the end of the shaft, typically during motor assembly or repair. A split ring, like this 1A4 model, can be installed on motors that are already in service without removing the attached load.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
This item is not eligible for free shipping.
Original: $440.72
-65%$440.72
$154.25Aegis Bearing Protection Rings SGR-0.875-UKIT-1A4 Rings
The Aegis Bearing Protection Rings SGR-0.875-UKIT-1A4 Rings are essential for industrial motors reaching peak performance under Variable Frequency Drive (VFD) control. Specifically engineered for NEMA frame 143T and NEMA frame 145T motors with a 0.875 inch shaft diameter, this split ring design allows for seamless retrofit installation without motor disassembly. By utilizing Electron Transport Technology, the conductive microfibers provide a low-impedance path to ground, effectively preventing electrical bearing damage such as fluting and EDM pitting. Protecting your motor bearings ensures equipment longevity and significantly reduces unplanned downtime in critical HVACR and manufacturing systems. This uKIT includes universal mounting brackets to accommodate various motor end-bell configurations, offering a versatile shaft grounding solution for maintenance professionals.
Key Benefits:
- Eliminates Electrical Discharge: Safely diverts harmful shaft voltages away from motor bearings to prevent bearing fluting.
- Split-Ring Design: Enables fast, easy retrofit installation on existing equipment without removing couplings or pulleys.
- Universal Compatibility: Fits NEMA 143T, 145T, and 56HZ frames with a 7/8 inch (0.875") shaft.
- Long-Term Reliability: Maintenance-free microfibers ensure continuous protection for the mechanical life of the motor.
- Protects VFD Systems: Minimizes the risk of premature bearing failure caused by high-frequency common-mode voltage.
Common Questions:
Why do I need a grounding ring for my VFD-driven motor?
VFDs induce high-frequency voltages on the motor shaft. Without a ground path, these voltages discharge through the bearings, causing microscopic pitting and "fluting" that lead to noise, vibration, and total failure.
Can I install this SGR-0.875-UKIT-1A4 without taking the motor apart?
Yes. The split ring design is specifically made for field retrofits. It can be opened and placed around the 0.875" shaft, then secured with the included universal mounting brackets.
What is the difference between a solid ring and a split ring?
A solid ring must be slid over the end of the shaft, typically during motor assembly or repair. A split ring, like this 1A4 model, can be installed on motors that are already in service without removing the attached load.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
This item is not eligible for free shipping.
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Product Information
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Description
The Aegis Bearing Protection Rings SGR-0.875-UKIT-1A4 Rings are essential for industrial motors reaching peak performance under Variable Frequency Drive (VFD) control. Specifically engineered for NEMA frame 143T and NEMA frame 145T motors with a 0.875 inch shaft diameter, this split ring design allows for seamless retrofit installation without motor disassembly. By utilizing Electron Transport Technology, the conductive microfibers provide a low-impedance path to ground, effectively preventing electrical bearing damage such as fluting and EDM pitting. Protecting your motor bearings ensures equipment longevity and significantly reduces unplanned downtime in critical HVACR and manufacturing systems. This uKIT includes universal mounting brackets to accommodate various motor end-bell configurations, offering a versatile shaft grounding solution for maintenance professionals.
Key Benefits:
- Eliminates Electrical Discharge: Safely diverts harmful shaft voltages away from motor bearings to prevent bearing fluting.
- Split-Ring Design: Enables fast, easy retrofit installation on existing equipment without removing couplings or pulleys.
- Universal Compatibility: Fits NEMA 143T, 145T, and 56HZ frames with a 7/8 inch (0.875") shaft.
- Long-Term Reliability: Maintenance-free microfibers ensure continuous protection for the mechanical life of the motor.
- Protects VFD Systems: Minimizes the risk of premature bearing failure caused by high-frequency common-mode voltage.
Common Questions:
Why do I need a grounding ring for my VFD-driven motor?
VFDs induce high-frequency voltages on the motor shaft. Without a ground path, these voltages discharge through the bearings, causing microscopic pitting and "fluting" that lead to noise, vibration, and total failure.
Can I install this SGR-0.875-UKIT-1A4 without taking the motor apart?
Yes. The split ring design is specifically made for field retrofits. It can be opened and placed around the 0.875" shaft, then secured with the included universal mounting brackets.
What is the difference between a solid ring and a split ring?
A solid ring must be slid over the end of the shaft, typically during motor assembly or repair. A split ring, like this 1A4 model, can be installed on motors that are already in service without removing the attached load.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
This item is not eligible for free shipping.












