H* Bushings for O-A and A-B Combination Grooves USA/NOVA Import

  • Sheaves and Bushings are zinc phosphate for rust resistance.
  • All steel, tapered bushing creates wedging action for full grip on the shaft.
  • Fully split for extra holding power.
  • Two machined screws for quick mounting and dismounting.
  • Two mounting holes for fast assembly.
  • Two taped holes for easy removal.

Bushing Dimensions

Bushing Dimensions

A B C D E Bolt Circle Cap Screws Required
1.625 2-1/2 1 1/4 1-1/4 2 2 ea. 1/4 x 3/4

Standard Bore Sizes

USA Stock No.** NOVA Import Stock No. Bore Size Keyway Size Wt. Lbs.
75040006++   3/8 None 1.06
75040007 750400075 7/16 None 1.04
75040008 750400085 1/2 None 1.02
75040009 750400095 9/16 None 1.00
75040010 750400105 5/8 3/16 x 3/32 0.98
75040011 750400115 11/16 3/16 x 3/32 0.96
75040012 750400125 3/4 3/16 x 3/32 0.94
75040013 750400135 13/16 3/16 x 3/32 0.92
75040014 750400145 7/8 3/16 x 3/32 0.90
75040015 750400155 15/16 1/4 x 1/8 0.88
75040016 750400165 1 1/4 x 1/8 0.86
75040017 750400175 1-1/16 1/4 x 1/8 0.84
75040018 750400185 1-1/8 1/4 x 1/8 0.82
75040019 750400195 1-3/16 1/4 x 1/8 0.80
75040020 750400205 1-1/4 1/4 x 1/8 0.78
75040021   1-5/16 5/16 x 5/32 0.76
75040022 750400225 1-3/8 5/16 x 5/32 0.74
75040023 750400235 1-7/16 3/8 x 3/16 0.72
75040024   1-1/2 3/8 x 3/16 0.70

Metric Bore Sizes

USA Stock No.** Bore Size Keyway Size Wt. Lbs.
7504M014 14mm 5mm x 5mm 1.00
7504M016 16mm 5mm x 5mm 0.98
7504M018 18mm 6mm x 6mm 0.96
7504M019 19mm 6mm x 6mm 0.94
7504M020 20mm 6mm x 6mm 0.92
7504M022 22mm 6mm x 6mm 0.90
7504M024 24mm 8mm x 7mm 0.88
7504M025 25mm 8mm x 7mm 0.86
7504M028 28mm 8mm x 7mm 0.84
7504M030 30mm 8mm x 7mm 0.82
7504M032 32mm 10mm x 8mm 0.80
7504M035 35mm 10mm x 8mm 0.78
7504M038 38mm 10mm x 8mm 0.76

* H Bushings are interchangeable with D & Q & QT Bushings.
++ These sizes will not be available once current G&G Manufacturing Company inventories have been sold.

CAUTION: Do not use with rim speeds in excess of 6500 feet per minute.

** Manufactured in the USA by G&G Manufacturing Company.