Home Power Transmission Taper Lock Bushes Steel Taper Lock Bushes Finer PT 4040-3-1/2-ST Steel Taper Lock Bush – 3-1/2″ Bore
Finer PT 4040-3-1/2-ST Steel Taper Lock Bush - 3-1/2" Bore
4040-3-1/2-ST

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Finer PT

Finer PT 4040-3-1/2-ST Steel Taper Lock Bush – 3-1/2″ Bore

Part Number: 4040-3-1/2-ST
Inner Diameter (Bore) 3-1/2" (88.9 mm)
Outer Diameter 146 mm

Finer PT 4040-3-1/2-ST steel taper lock bush – 4040 size with a 3-1/2″ bore (88.9mm) and 7/8″ x 7/8″ keyway. 101.6mm long – 146mm major diameter. Steel construction.

Qty:
  • 4040 taper lock bush - 3-1/2" bore (88.9mm)
  • 7/8" x 7/8" keyway
  • Fixes pulleys - sprockets and couplings to the shaft without re-boring the hub
  • Pulls up concentric and releases easily for maintenance
  • Steel construction
  • Supplied by Finer Power Transmissions
Brand

Finer PT
Product Type

Steel Taper Lock Bush
Series

4040
Inner Diameter (Bore)

3-1/2" (88.9 mm)
Outer Diameter

146 mm
Length

101.6 mm
Material

Steel
Measurement System

Imperial
Cross Reference Taper Lock Bush: 4040 | Standard Bush: 4040-3-1/2
Features & Benefits 4040 taper lock bush - 3-1/2" bore (88.9mm)
7/8" x 7/8" keyway
Fixes pulleys - sprockets and couplings to the shaft without re-boring the hub
Pulls up concentric and releases easily for maintenance
Steel construction
Supplied by Finer Power Transmissions

The Finer PT 4040-3-1/2-ST is a 4040 steel taper lock bush with a 3-1/2″ bore (88.9mm) and a 7/8″ x 7/8″ keyway.

The taper lock bush is a tried and proven method for fixing a driven device to a shaft. The simple design makes maintenance an easy-on – easy-off process. It fits taper lock pulleys – sprockets and couplings bored for a 4040 bush. This version is made from steel.

Dimensions:

  • Bore: 3-1/2″ (88.9 mm)
  • Keyway (W x D): 7/8″ x 7/8″
  • Keyseat in bush (W x D): 7/8″ x 17/64″
  • Keyseat in shaft (W x D): 7/8″ x 1/2″
  • Length: 101.6 mm
  • Major diameter: 146 mm
  • Minor diameter: 131.8 mm
  • Bolt circle (D): 140.72 mm
  • Set screws (dia x length): 5/8″ x 1-3/4″ – 3 required

Please note: when requesting a quote – check the bush size (4040) matches the pulley – sprocket or coupling hub and the bore suits your shaft.

Downloads:

Supplied by Finer Power Transmissions.

Finer PT Steel Taper Lock Bushes Spec Sheet (Imperial and Metric)
PDF — 484 KB
Download
Finer PT Taper Lock Bush Dimensions
PDF — 280 KB
Download

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