B-LOC Keyless Bushings

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The B-LOC brand is synonymous with world class quality, engineering excellence
and unrivaled customer support. Fenner Drives B-LOC Keyless Bushings provide a high capacity, zero-backlash shaft-to-hub connection by using the simple wedge principle. An axial force is applied by series of annular screws to engage circular steel rings and mating tapers. The resulting wedge action creates a radial force on the tapered rings, one of which contracts to squeeze the shaft while the other expands and presses into the component bore.

Helpful Design Tools:

CAD Drawings >>
B-LOC Interchange Guide >>
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    Image of B-LOC B103 60mm

    B-LOC B103 60mm

    More Information

    • Series: B103
    • Torque Transmission: 3251 Nm
    • Axial Movement: Approximately 0.8 mm
    • Bore Tolerance: 90.05
    • Compliancy: RoHS
    • Component Bore Diameter: 90mm
    • Hub Pressure: 160
    • Installation Torque: 34 Nm
    • Internal/ External: Internal
    • Material: Steel
    • Metric/Inch: Metric
    • Releasing/ Locking: Locking
    • Screw Size: M8 x 25
    • Self-Centering: Yes
    • Shaft Diameter: 60mm
    • Shaft Tolerance: 59.95
    • Taper: Single
    • Thrust: 108368

    Image of B-LOC B103 65mm

    B-LOC B103 65mm

    More Information

    • Series: B103
    • Torque Transmission: 3962 Nm
    • Axial Movement: Approximately 0.8 mm
    • Bore Tolerance: 95.05
    • Compliancy: RoHS
    • Component Bore Diameter: 95mm
    • Hub Pressure: 170
    • Installation Torque: 34 Nm
    • Internal/ External: Internal
    • Material: Steel
    • Metric/Inch: Metric
    • Releasing/ Locking: Locking
    • Screw Size: M8 x 25
    • Self-Centering: Yes
    • Shaft Diameter: 65mm
    • Shaft Tolerance: 64.95
    • Taper: Single
    • Thrust: 121914

    Image of B-LOC B103 55mm

    B-LOC B103 55mm

    More Information

    • Series: B103
    • Torque Transmission: 2980 Nm
    • Axial Movement: Approximately 0.8 mm
    • Bore Tolerance: 85.05
    • Compliancy: RoHS
    • Component Bore Diameter: 85mm
    • Hub Pressure: 169
    • Installation Torque: 34 Nm
    • Internal/ External: Internal
    • Material: Steel
    • Metric/Inch: Metric
    • Releasing/ Locking: Locking
    • Screw Size: M8 x 25
    • Self-Centering: Yes
    • Shaft Diameter: 55mm
    • Shaft Tolerance: 54.95
    • Taper: Single
    • Thrust: 108368
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