TB Wood's 7SCH158 Hub Spacer 1-5/8 Inch Sure-Flex

Description:

The TB Wood's 7SCH158 Hub Spacer 1-5/8 Inch Sure-Flex is used in Sure-Flex® spacer coupling systems to provide a secure shaft connection while transmitting torque and accommodating shaft misalignment. Commonly installed in pumps, compressors, conveyors, fans, blowers, mixers, and other industrial rotating equipment requiring flexible spacer couplings. Maintenance teams, OEMs, and system integrators use this spacer hub for equipment replacement, coupling maintenance, and reliable power transmission system retrofits.

Applications:

The TB Wood's 7SCH158 Hub Spacer 1-5/8 Inch Sure-Flex is commonly used in centrifugal pumps, industrial fans, air compressors, conveyor systems, mixers, blowers, generators, and material handling equipment where Sure-Flex® spacer couplings provide vibration damping, shock absorption, and compensation for angular and parallel shaft misalignment.

Technical Specifications:

• Manufacturer: TB Wood's
• Model / Part Number: 7SCH158
• Product Type: Sure-Flex Spacer Hub
• Series: Sure-Flex® Type SC
• Coupling Size: 7
• Bore Size: 1-5/8 in
• Bore Type: Finished Bore with Keyway
• Material: High-Strength Cast Iron
• Hub Diameter: 2-13/16 in
• Length Through Bore: 1-15/32 in
• Keyway Size: 3/8 × 3/16 in
• Bore Tolerance: +0.0005 in / +0.0015 in
• Set Screw Size: 5/16-18 UNC (over keyseat)
• Maximum Speed: 5,250 RPM
• Maximum Torque: 940 in-lb (EPDM/Neoprene Sleeve), 2,875 in-lb (Hytrel Sleeve)
• Mounting: Shaft-mounted spacer hub
• Application Environment: Industrial power transmission systems

Common Replacements:

• Dodge 7SCH158 Sure-Flex Spacer Hub
• Lovejoy 7SCH158 S-Flex Spacer Hub
• Martin 7SCH158 SureFlex Spacer Hub