Taper Lock Bush

Taper Lock Bushes

Taper Lock Four Hole Bush Simple, Universal Solution

Machined to exacting tolerances in cast iron and steel, the Octaforce Taper Lock four hole bush has been tried and tested in over 50 million applications. It is the most successful shaft fixing in the market place today with a full range of both metric and imperial sizes as well as a full range of weld-on hubs, bolt-on hubs and hub adaptors.

Benefits

  • Ease of installation and removal
  • Equivalent to a shrink-on fit on uniform load applications and thus eliminating the cost of a key
  • No costly reboring: full range of both metric and imperial available
  • Standard range fits up to 125mm/5” shafts
  • Special 4-hole feature for balanced assemblies
  • Complete short reach range available, for compact lightweight assemblies
  • High grade, close grain iron (GG25) material
  • Spherodial Graphite (S.G.) iron construction on some sizes to give increase maximum bores

Weld on Hubs

  • Manufactured from steel to provide convenient means to secure fan rotors, steel pulleys, plate sprockets, impellers etc. to a shaft.
  • Taper bored to receive 4 hole Taper Lock bush sizes 1210 to 5040
  • Shouldered outer diameter allows for easy location

Bolt on Hubs

  • A convenient means to secure fan rotors, steel pulleys, plate sprockets, impellers etc to a shaft
  • Welding not necessary
  • Taper bored to receive 4 hole Taper Lock bush sizes 1210 to 3040

Hub Adaptors

  • For use with parallel bore eliminating the cost of drilling, tapping and taper boring
  • Keyed version also available for heavy duty applications
  • Taper bored to receive 4 hole Taper Lock bush sizes 1008 to 4040
Size Reference Bore Sizes in mm
1008 to 5040 9 to 125

Construction

  • High grade, close grain iron (GG25) material
  • Special 4-hole feature for balanced assemblies
  • Spherodial Graphite (S.G.) iron construction on some sizes to give increase maximum bores
    TAPER LOCK BUSH DIMENSIONS Dimensions in mm
    TAPER LOCK BUSH NUMBER 1008 1108 1210 1215 1310 1610 1615 2012 2517 2525 3020 3030 3525 3535 4040 4545 5050
    Nominal Diameter at Large End of Taper 35.0 38.0 47.5 47.5 51.0 57.0 57.0 70.0 85.5 85.5 108.0 108.0 127.0 127.0 146.0 162.0 177.5
    FACE WIDTH 22 22 25 38 25 25 38 32 45 65 51 76 65 89 102 114 127
    MINIMUM BORE 9 9 11 11 14 14 14 14 16 19 25 35 48 35 40 55 70
    MAXIMUM BORE 25 28 32 32 35 42 42 50 60 60 75 75 90 90 100 110 125
    Taper-Lock Bushes are stocked to suit standard metric and imperial shafts. All keyways are as per relevant ISI standards.
    Non-standard bores can be provided against customer requirements.