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From gears to cams, timing belt sprockets to conveyor rolls, climate control fan hubs to grinding wheels, the extensive range of Trantorque Keyless Bushings—all with a single locking nut—offers easy to use options for mounting and adjusting position sensitive, zero backlash drive components and accessories.
Keyless Lock Nut Bushings
Unit of Measure
1 2 3 4 5 

Item #

Item Name

Material

Outside Diameter

Bore Size

Length Through Bore

6410013 N/A Trantorque Mini 1/8" N/A Steel N/A 5/8 in N/A 1/8 in N/A 3/8 in
6410019 N/A Trantorque Mini 3/16" N/A Steel N/A 5/8 in N/A 3/16 in N/A 3/8 in
6410025 N/A Trantorque Mini 1/4" N/A Steel N/A 5/8 in N/A 0.250 in N/A 3/8 in
6410031 N/A Trantorque Mini 5/16" N/A Steel N/A 3/4 in N/A 5/16 in N/A 7/16 in
6410038 N/A Trantorque Mini 3/8" N/A Steel N/A 3/4 in N/A 0.375 in N/A 7/16 in
6410044 N/A Trantorque Mini 7/16" N/A Steel N/A 0.875 in N/A 7/16 in N/A 1/2 in
6410050 N/A Trantorque Mini 1/2" N/A Steel N/A 0.875 in N/A 0.500 in N/A 1/2 in
6410056 N/A Trantorque Mini 9/16" N/A Steel N/A 1 in N/A 9/16 in N/A 5/8 in
6410063 N/A Trantorque Mini 5/8" N/A Steel N/A 1 in N/A 0.625 in N/A 5/8 in
6410069 N/A Trantorque OE 11/16" N/A Steel N/A 1 1/4 in N/A 11/16 in N/A 7/8 in
6410075 N/A Trantorque OE 3/4" N/A Steel N/A 1 1/4 in N/A 0.750 in N/A 7/8 in
6410081 N/A Trantorque OE 13/16" N/A Steel N/A 1 3/8 in N/A 13/16 in N/A 15/16 in
6410088 N/A Trantorque OE 7/8" N/A Steel N/A 1 3/8 in N/A 0.875 in N/A 15/16 in
6410094 N/A Trantorque OE 15/16" N/A Steel N/A 1.500 in N/A 15/16 in N/A 1 in
6410100 N/A Trantorque OE 1" N/A Steel N/A 1.500 in N/A 1.000 in N/A 1 in
6410106 N/A Trantorque OE 1-1/16" N/A Steel N/A 1 5/8 in N/A 1 1/16 in N/A 1 1/16 in
6410113 N/A Trantorque OE 1-1/8" N/A Steel N/A 1 5/8 in N/A 1.125 in N/A 1 1/16 in
6410119 N/A Trantorque OE 1-3/16" N/A Steel N/A 1.750 in N/A 1 3/16 in N/A 1 1/8 in
6410125 N/A Trantorque OE 1-1/4" N/A Steel N/A 1.750 in N/A 1.250 in N/A 1 1/8 in
6410131 N/A Trantorque OE 1-5/16" N/A Steel N/A 1.875 in N/A 1 5/16 in N/A 1 3/16 in
6410138 N/A Trantorque OE 1-3/8" N/A Steel N/A 1.875 in N/A 1.375 in N/A 1 3/16 in
6410144 N/A Trantorque OE 1-7/16" N/A Steel N/A 2.000 in N/A 1 7/16 in N/A 1 1/4 in
6410150 N/A Trantorque OE 1-1/2" N/A Steel N/A 2.000 in N/A 1.500 in N/A 1 1/4 in
6202120UP N/A Trantorque GT 5/8" N/A Steel N/A 1.500 in N/A 0.625 in N/A 3/4 in
6202140UP N/A Trantorque GT 11/16" N/A Steel N/A 1.500 in N/A 11/16 in N/A 3/4 in
Unit of Measure
1 2 3 4 5