The Timken Company QF250B Quick Flex Coupling Insert

Description:

The Timken QF250B QUICK FLEX® coupling insert is used in flexible shaft coupling systems to transmit torque while absorbing vibration, shock loads, and minor shaft misalignment in industrial power transmission applications. Commonly installed between electric motors, gearboxes, pumps, compressors, conveyors, mixers, and other rotating equipment that utilize Timken QUICK FLEX® couplings. Maintenance teams, OEMs, and system integrators use this coupling insert for replacement, repair, retrofit, and equipment overhaul to restore reliable torque transmission and reduce downtime.

Applications:

The Timken QF250B coupling insert is a high-torque urethane elastomer element designed for QUICK FLEX® couplings, providing vibration damping and accommodating shaft misalignment without the need to move connected equipment during replacement. It is widely used in mining, aggregate processing, manufacturing, water treatment, material handling, and industrial processing facilities where dependable power transmission and simplified maintenance are essential.

Technical Specifications:

• Manufacturer: Timken
• Manufacturer Part Number (MPN): QF250BINSERT (QF250B)
• Product Type: Elastomer coupling insert
• Series: QUICK FLEX® QF250
• Coupling Size: 250
• Insert Type: Spider-open center high torque insert
• Material: Urethane
• Insert Color: Blue
• Outside Diameter: 8.2 in
• Temperature Range: -50°C to 100°C (-58°F to 212°F)
• Suitable For: Timken QUICK FLEX® QF250 couplings
• Function: Shock absorption, vibration damping, and misalignment compensation
• Application: Industrial power transmission systems

Common Replacements:

• Timken QF250 Black Insert
• Timken QF250 White Insert
• Timken QF250 Orange Insert