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Drive Pulley Adapters

for Reinforced Nylon Round, Flat, and V Pulleys

Drive adapters convert all our nylon round, flat and vee idler pulleys into drive pulleys, i.e. no bearings. Hubs are made from sintered powdered steel.  All come with keyway and set screw.

New larger sizes:  5/8", 3/4" and 1" (15.9mm, 19.1mm and 25.4mm) diameter -- allow use with much larger shafts.

drive pulley
Part No. Shaft dia. Stand-off Keyway
DA38 0.375"  (9.5 mm) 0.375"  (9.5 mm) 0.125"  (3.2 mm)
DA50 0.50"  (12.7 mm) 0.375"  (9.5 mm) 0.188"  (4.8 mm)
DA63 0.625"  (15.9 mm) 0.375"  (9.5 mm) 0.188"  (4.8 mm)
DA75 0.75"  (19.1 mm) 0.375"  (9.5 mm) 0.188"  (4.8 mm)
DA100 1.00"  (25.4 mm) 0.375"  (9.5 mm) 0.250"  (6.3 mm)
drive adapter
(includes 10-32 Nylock Set Screw)

For the best in drive pulley adapters, insist on DuraBelt.
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