Lovejoy 68514435359 Sleeve
The Lovejoy 68514435359 Sleeve, also known as the 4JE-SLEEVE, is a one-piece solid S-Flex coupling insert engineered for high-performance power transmission in HVACR and industrial motor-to-pump applications. Molded from high-grade EPDM rubber, this sleeve is specifically designed to handle a torque rating of 120 in-lb while maintaining structural integrity at speeds up to 7,600 RPM. The 4JE design utilizes pre-molded teeth that engage directly with the coupling flanges, facilitating a secure shear loading mechanism that requires no clamps or screws for installation. This elastomeric coupling element excels at absorbing shock loads and dampening industrial vibration, protecting sensitive bearings from premature wear. With a temperature range of -30°F to 275°F, it provides reliable shaft misalignment compensation, supporting up to 1 degree of angular and .010 inches of parallel misalignment. This genuine Lovejoy coupling sleeve ensures a maintenance-free connection for standard 4-size S-Flex assemblies across various commercial units.
Key Benefits- Dampens Vibration: High elasticity EPDM material absorbs harmonic resonance and torsional shock, extending the service life of connected equipment.
- Maintenance-Free Operation: No lubrication is required, making it an ideal "install and forget" solution for inaccessible air handling units or pumps.
- Simplifies Alignment: Accommodates up to 1° of angular and .010" parallel shaft misalignment to protect motor and pump bearings.
- Standardized Fit: 1-1/4 inch length and 2.31 inch outside diameter ensure a direct drop-in replacement for any Lovejoy 4JE-SLEEVE system.
What is the difference between EPDM and Hytrel sleeves for S-Flex couplings?
EPDM sleeves like this 4JE-SLEEVE provide superior flexibility and vibration dampening for standard motor-driven applications. Hytrel sleeves offer higher torque capacity but are much stiffer and less effective at absorbing shock loads or misalignment.
Can I use a solid sleeve if I cannot move my motor or pump shafts?
Solid sleeves require sliding the hubs apart for installation. If your equipment base is fixed and shafts cannot be separated by at least 1-1/4 inches, a split-type (JES) sleeve may be required for installation without teardown.
How do I know if my 4JE sleeve needs replacement?
Inspect the teeth for significant wear, cracking, or surface hardening. If the elastomeric element has more than 25% material loss or shows signs of heat degradation, it should be replaced to prevent total coupling failure.
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.
Original: $12.64
-65%$12.64
$4.42Lovejoy 68514435359 Sleeve
The Lovejoy 68514435359 Sleeve, also known as the 4JE-SLEEVE, is a one-piece solid S-Flex coupling insert engineered for high-performance power transmission in HVACR and industrial motor-to-pump applications. Molded from high-grade EPDM rubber, this sleeve is specifically designed to handle a torque rating of 120 in-lb while maintaining structural integrity at speeds up to 7,600 RPM. The 4JE design utilizes pre-molded teeth that engage directly with the coupling flanges, facilitating a secure shear loading mechanism that requires no clamps or screws for installation. This elastomeric coupling element excels at absorbing shock loads and dampening industrial vibration, protecting sensitive bearings from premature wear. With a temperature range of -30°F to 275°F, it provides reliable shaft misalignment compensation, supporting up to 1 degree of angular and .010 inches of parallel misalignment. This genuine Lovejoy coupling sleeve ensures a maintenance-free connection for standard 4-size S-Flex assemblies across various commercial units.
Key Benefits- Dampens Vibration: High elasticity EPDM material absorbs harmonic resonance and torsional shock, extending the service life of connected equipment.
- Maintenance-Free Operation: No lubrication is required, making it an ideal "install and forget" solution for inaccessible air handling units or pumps.
- Simplifies Alignment: Accommodates up to 1° of angular and .010" parallel shaft misalignment to protect motor and pump bearings.
- Standardized Fit: 1-1/4 inch length and 2.31 inch outside diameter ensure a direct drop-in replacement for any Lovejoy 4JE-SLEEVE system.
What is the difference between EPDM and Hytrel sleeves for S-Flex couplings?
EPDM sleeves like this 4JE-SLEEVE provide superior flexibility and vibration dampening for standard motor-driven applications. Hytrel sleeves offer higher torque capacity but are much stiffer and less effective at absorbing shock loads or misalignment.
Can I use a solid sleeve if I cannot move my motor or pump shafts?
Solid sleeves require sliding the hubs apart for installation. If your equipment base is fixed and shafts cannot be separated by at least 1-1/4 inches, a split-type (JES) sleeve may be required for installation without teardown.
How do I know if my 4JE sleeve needs replacement?
Inspect the teeth for significant wear, cracking, or surface hardening. If the elastomeric element has more than 25% material loss or shows signs of heat degradation, it should be replaced to prevent total coupling failure.
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.
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Description
The Lovejoy 68514435359 Sleeve, also known as the 4JE-SLEEVE, is a one-piece solid S-Flex coupling insert engineered for high-performance power transmission in HVACR and industrial motor-to-pump applications. Molded from high-grade EPDM rubber, this sleeve is specifically designed to handle a torque rating of 120 in-lb while maintaining structural integrity at speeds up to 7,600 RPM. The 4JE design utilizes pre-molded teeth that engage directly with the coupling flanges, facilitating a secure shear loading mechanism that requires no clamps or screws for installation. This elastomeric coupling element excels at absorbing shock loads and dampening industrial vibration, protecting sensitive bearings from premature wear. With a temperature range of -30°F to 275°F, it provides reliable shaft misalignment compensation, supporting up to 1 degree of angular and .010 inches of parallel misalignment. This genuine Lovejoy coupling sleeve ensures a maintenance-free connection for standard 4-size S-Flex assemblies across various commercial units.
Key Benefits- Dampens Vibration: High elasticity EPDM material absorbs harmonic resonance and torsional shock, extending the service life of connected equipment.
- Maintenance-Free Operation: No lubrication is required, making it an ideal "install and forget" solution for inaccessible air handling units or pumps.
- Simplifies Alignment: Accommodates up to 1° of angular and .010" parallel shaft misalignment to protect motor and pump bearings.
- Standardized Fit: 1-1/4 inch length and 2.31 inch outside diameter ensure a direct drop-in replacement for any Lovejoy 4JE-SLEEVE system.
What is the difference between EPDM and Hytrel sleeves for S-Flex couplings?
EPDM sleeves like this 4JE-SLEEVE provide superior flexibility and vibration dampening for standard motor-driven applications. Hytrel sleeves offer higher torque capacity but are much stiffer and less effective at absorbing shock loads or misalignment.
Can I use a solid sleeve if I cannot move my motor or pump shafts?
Solid sleeves require sliding the hubs apart for installation. If your equipment base is fixed and shafts cannot be separated by at least 1-1/4 inches, a split-type (JES) sleeve may be required for installation without teardown.
How do I know if my 4JE sleeve needs replacement?
Inspect the teeth for significant wear, cracking, or surface hardening. If the elastomeric element has more than 25% material loss or shows signs of heat degradation, it should be replaced to prevent total coupling failure.
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.
