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3TC Split Taper Bushed Sheaves

3TC series three-groove sheaves are manufactured for C, CX, banded belts, and CC v-belts, they range from 7.40" to 24.40" in diameter. Depending on the sheave size they are made to use Q1 taper bushings, which we also stock. The majority of our 3TC sheaves are manufactured from a high-strength grade 35 cast iron, are phosphate-coated and painted for anti-corrosion, and all of them are balanced at the factory for smooth machinery operation.

3TC Style Sheave Size Chart


Size Bushing Type Pitch Diameter Outside Diameter Type (O.L.) (L) (P) (C) (H) (F) (G) (X) (E) Sheave Weight (LBS)
3TC70 Q1 7" 7.4" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 16.8
3TC72 Q1 7.2" 7.6" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 18
3TC74 Q1 7.4" 7.8" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 19.1
3TC76 Q1 7.6" 8" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 21.3
3TC78 Q1 7.8" 8.2" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 17.4
3TC80 Q1 8" 8.4" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 17.8
3TC82 Q1 8.2" 8.6" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 17.9
3TC84 Q1 8.4" 8.8" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 20.4
3TC86 Q1 8.6" 9" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 19.5
3TC88 Q1 8.8" 9.2" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 22.5
3TC90 Q1 9" 9.4" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 20.4
3TC92 Q1 9.2" 9.6" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 22.8
3TC94 Q1 9.4" 9.8" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 23
3TC96 Q1 9.6" 10" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 25.3
3TC98 Q1 9.8" 10.2" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 24.4
3TC100 Q1 10" 10.4" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 27.6
3TC102 Q1 10.2" 10.6" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 24.9
3TC106 Q1 10.6" 11" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 26.9
3TC110 Q1 11" 11.4" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 27.4
3TC114 Q1 11.4" 11.8" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 28.3
3TC120 Q1 12" 12.4" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 30.3
3TC130 Q1 13" 13.4" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 34.9
3TC160 Q1 16" 16.4" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 46
3TC200 Q1 20" 20.4" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 54.5
3TC240 Q1 24" 24.4" 13 3 17/32" 2 1/2" 0" 3/4" 4 1/8" 3 1/4" 3/4" 1 3/4" 9/32" 71


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