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Step Up Adapters are ideal for making the shaft larger. Clamping coupling portion will not mar the shaft. Adapters eliminate the need for complete shaft replacement.
Step Up Clamp-on Adaptor SUA-Series
Step Up Clamp-on Adapter
Unit of Measure
1 

Item #

Bore

Shaft Size

Overall OD

Overall Length

Shaft Length

Bore Depth

Screw Size

Material

Weight

SUA-050 N/A 1/2 in N/A 3/4 in N/A 1.2500 in N/A 2.750 in N/A 1 1/4 in N/A 1 1/4 in N/A 8-32 x 1/2 N/A Steel, ASTM A108 N/A 9.00 oz
SUA-062 N/A 5/8 in N/A 7/8 in N/A 1.5000 in N/A 3 1/4 in N/A 1 1/2 in N/A 1 3/8 in N/A 10-32 x 1/2 N/A Steel, ASTM A108 N/A 15.10 oz
SUA-075 N/A 3/4 in N/A 1 in N/A 1.7500 in N/A 4.25 in N/A 2 in N/A 1 5/8 in N/A 1/4-28 x 5/8 N/A Steel, ASTM A108 N/A 26.90 oz
SUA-087 N/A 7/8 in N/A 1 1/8 in N/A 1.875 in N/A 4.375 in N/A 2 in N/A 1 7/8 in N/A 1/4-28 x 5/8 N/A Steel, ASTM A108 N/A 31.80 oz
SUA-100 N/A 1 in N/A 1 1/4 in N/A 2.0000 in N/A 4.75 in N/A 2 3/8 in N/A 2 in N/A 1/4-28 x 5/8 N/A Steel, ASTM A108 N/A 37.90 oz
SUA-112 N/A 1 1/8 in N/A 1 3/8 in N/A 2.1250 in N/A 4.75 in N/A 2 3/8 in N/A 2 in N/A 1/4-28 x 3/4 N/A Steel, ASTM A108 N/A 43.10 oz
SUA-125 N/A 1 1/4 in N/A 1 1/2 in N/A 2.2500 in N/A 5 in N/A 2 1/2 in N/A 2 in N/A 1/4-28 x 3/4 N/A Steel, ASTM A108 N/A 51.70 oz
Unit of Measure
1