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Fenner T402315 B-LOC B400 keyless bushing with 3-15/16 in bore. High-torque design for servo, encoder, and high-accuracy applications. Eliminates keyway machining, provides infinite axial adjustment and backlash-free torque transmission.

Name: Fenner T402315 B-LOC B400 keyless bushing with 3-15/16 in bore. High-torque design for servo, encoder, and high-accuracy applications. Eliminates keyw
Brand: Fenner Industrial Motion
Price: 130.43 USD
Availability: InStock
Rating: 5.0 (4 reviews)

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MODEL T402315

BRAND

Fenner Industrial Motion

SKU

818167

WEIGHT

4.700 lb

UOM

each

Contact supplier for technical support on: 800 243 3374

$130.43 Each

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Returnable: See conditions

Axial Movement

Bore Diameter

3-15/16 in

Bore tolerance

5.713

Component Bore Diameter

5.709"

Hub Contact Pressure

26204 psi

Hub Pressure

26204

Installation torque

91 ft lb

Internal/ External

Internal

Material

Steel

O.D.

5.709 in

Overall Length

1.772 in

Releasing/ Locking

Releasing

Screw size

M12 x 30

Self-Centering

Series

B400

Shaft diameter

3 15/16 in

Shaft Tolerance

3.9335

Taper

Double

Thrust

57726

Torque Transmission

9471

Transmissible Thrust

57726 lb

Transmissible Torque

9471 ft-lb

Type

Double Taper

The B-LOC B400 Series 3-15/16” Keyless Bushing provides a high capacity, zero-backlash shaft to hub connection for shafts measuring 3-15/16” in diameter by means of a mechanical interference fit and transmits up to a maximum of 9471 ft lbs of torque.

Best Suited For:

Applications that require a recessed installation of the bushing with no axial movement of the mounted component relative to the shaft during tightening.

B-LOC B400 Series 3-15/16” Keyless Bushings provide a zero-backlash frictional connection that will never wear or pound out and can accommodate high-torque, thrust, bending, and/or radial loads. Their self-releasing double taper design permits simple adjustment and removal and there is no axial movement during installation. Since the B-LOC B400 Series Keyless Bushings do not have a flange, the external diameter along the unit’s entire length is the same, therefore allowing the unit to be completely inserted into the component bore for flushed or recessed mounting.Self-releasing double taper design permits simple adjustment and removal. No axial movement during installation. Recessed installation without the need for a counterboreNote: This product is not self-centering but Fenner offers pilot bushings that provide pre-centering when required. The pilot bushings are supplied in sets of three (3) bushings and three (3) longer screws (replace plated locking screws).

Features of Fenner Keyless Bushings:

Ability to transmit higher torques. True zero-backlash. Less equipment downtime. Ability to mount over existing keyways. Complete axial and radial adjustability. Simple installation, adjustment and removalAll Fenner keyless locking devices operate using the simple wedge principle. An axial force is applied- by either a hex nut (Trantorque) or a series of annular screws (B-LOC)- to engage circular steel rings with 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.