Fenner B-Loc & Trantorque Keyless Locking Bushings | Applied

Fenner Drives B-LOC^® & Trantorque Keyless Bushings

Keyless Locking Devices from Fenner not only deliver a product line that offers quick and easy installation Trantorque, but also design flexibility and extra heavy duty capacity with B-LOC.

Many industries today demand precise, efficient machines that optimize productivity while minimizing material and fabrication costs. When compared to traditional connection methods, Fenner Drives Keyless Locking Devices offer the following advantages:

• A mechanical interference fit with a uniform pressure distribution similar to that achieved through a shrink or press fit.

• A true zero backlash shaft-to-hub connection with none of the operational drawbacks of keyways or splines.

• The ability to mount on plain shafting, which need not be over-sized to compensate for notch factors. This allows the use of smaller shafts and bearings for more cost effective designs.

B-LOC^® Keyless Bushing

B-LOC^® Keyless Bushings are perfectly suited for use in any industry where there is a need to mount a component to a shaft without the need for keys and keyways, splines or other traditional connection methods.

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Features:

• Wide, double taper design for enhanced bending moment capacity

• Excellent concentricity

• Through-bored hubs

• No axial movement during installation

• True zero backlash shaft-to-hub connection

• Able to mount on plain shafting to allow the use of smaller shafts and bearings

• Flexibility to mount over existing keyways

• Straight bore machining of mounted components

• As-turned surface finishes

• Complete axial and radial adjustability

• Simple installation, adjustment and removal, even in the field

Trantorque Keyless Bushings

Single locking nut design permits quick mounting and precise axial and radial positioning of components.

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Features:

• Fewer components mean easier installation

• With no keyway, shaft can transmit greater torque

• Mechanical shrink fit resists shock and torque reversal

• Use directly over empty keyways to repair a worn or damaged connection

• Unique, single-nut positive lock and release action allows for infinite positioning

• Eliminates the need to hold shaft or block machine while applying installation torque

• Traditional single nut concept for ease of installation

• For shaft sizes 2” or 55 mm and larger see our complete line of B-LOC^® Keyless Bushings

• Also available with electroless nickel, thin dense chromate plating or stainless steel construction for added corrosion protection

Trantorque Mini

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Features:

• Provides a zero backlash frictional connection that will never wear or pound out

• Can accommodate high torque, thrust, bending and/or radial loads

• Exceptional concentricity and the ability to accommodate bending loads

• Limited axial movement during installation

• All Trantorque units use a single hex nut for quick and easy installation

• Ability to transmit higher torques than keyed connections

• Zero-backlash

• Less equipment downtime

• Ability to mount over existing keyways

• Complete axial and radial adjustability

• Best suited for small shaft applications where speed and simplicity of installation and repositioning are critical

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