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Fenner B402208 B-LOC B400 keyless bushing with 2-1/2 in bore. The B400 series provides high torque transmission and concentricity for servo, encoder, and high-accuracy applications. Eliminates keyway machining, allows infinite axial adjustment, and prevents backlash. RoHS compliant.

Name: Fenner B402208 B-LOC B400 keyless bushing with 2-1/2 in bore. The B400 series provides high torque transmission and concentricity for servo, encoder,
Brand: Fenner Industrial Motion
Price: 69.61 USD
Availability: InStock
Rating: 5.0 (4 reviews)

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MODEL B402208

BRAND

Fenner Industrial Motion

SKU

817826

WEIGHT

1.600 lb

UOM

each

Contact supplier for technical support on: 800 243 3374

$69.61 Each

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Typically Ships in: 1 day

Returnable:No

Axial Movement

Bore Diameter

2-1/2 in

Bore tolerance

3.743

Component Bore Diameter

3.74"

Finish

Oil Dipped

Hub Contact Pressure

24491 psi

Hub Diameter

6.885 in

Hub Pressure

24491

Installation torque

26 ft lb

Internal/ External

Internal

Material

Steel

O.D.

3.74 in

Overall Length

1.26 in

Releasing/ Locking

Releasing

Screw size

M8 x 22

Self-Centering

Series

B400

Shaft diameter

2 1/2 in

Shaft Tolerance

2.497

Taper

Double

Thrust

27191

Torque Transmission

2832

Transmissible Thrust

27191 lb

Transmissible Torque

2832 ft-lb

The B-LOC B400 Series 2-1/2” Keyless Bushing provides a high capacity, zero-backlash shaft to hub connection for shafts measuring 2-1/2” in diameter by means of a mechanical interference fit and transmits up to a maximum of 2832 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 2-1/2” 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.