TB Wood's 4JES Sure-Flex Rubber Sleeve Coupling

Description:

The TB Wood's 4JES Sure-Flex Rubber Sleeve Coupling is used in industrial power transmission systems to absorb shock, accommodate shaft misalignment, and transmit torque between connected shafts in flexible coupling assemblies. Commonly installed in pumps, compressors, conveyors, mixers, fans, blowers, and other rotating industrial machinery. Maintenance teams, OEMs, and system integrators use this rubber sleeve coupling for coupling replacement, preventive maintenance, equipment retrofits, and new power transmission installations.

Applications:

The TB Wood's 4JES Sure-Flex Rubber Sleeve Coupling is commonly used in industrial automation environments including conveyor systems, pump and compressor drives, HVAC equipment, food and beverage processing, material handling systems, and manufacturing production lines where vibration damping, shock absorption, and reliable torque transmission are essential for continuous operation.

Technical Specifications:

• Manufacturer: TB Wood's (Regal Rexnord)
• Model / Part Number: 4JES (Model 4JS)
• Product Type: Sure-Flex Rubber Sleeve Coupling
• Coupling Series: Sure-Flex Plus®
• Coupling Size: 4
• Sleeve Material: EPDM Rubber
• Sleeve Construction: One-Piece Split
• Outside Diameter: 2-5/16 in. (2.31 in.)
• Sleeve Width: 1-1/4 in.
• Maximum Operating Speed: 7,600 RPM
• Maximum Torque: 156 in-lb
• Maximum Angular Misalignment: 1°
• Maximum Parallel Misalignment: 0.010 in.
• Operating Temperature Range: -30°F to 275°F (-34°C to 135°C)
• Features: Four-way flexing action, maintenance-free, absorbs shock, vibration, and end float
• Application Environment: Industrial power transmission systems

Common Replacements:

• TB Wood's 4JES
• Lovejoy 4JE
• Dodge 4JES