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4TB Split Taper Bushed Pulleys

4TB series pulleys are manufactured for A, AX, AA, 4L, B, BX, BB, and 5L v-belts and range from 3.75" to 38.35" in diameter. Depending on the pulley size they are made to use with P1 taper bushings or Q1 taper bushings, which we also stock. The majority of our 4TB pulleys 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.

4TB Style Pulley Size Chart


Size Bushing Type Pitch Diameter (4L/A) Pitch Diameter (5L/B) Outside Diameter Type (O.L.) (L) (P) (C) (H) (F) (G) (X) (E) Pulley Weight
4TB34 P2 3.0" 3.4" 3.75" 3 4-9/16" 2-15/16" 1-1/16" 1-3/8" 3" 3-1/4" 5/8" 2-5/16" 1/4" 4.5
4TB36 P2 3.2" 3.6" 3.95" 3 4-9/16" 2-15/16" 1-1/16" 1-3/8" 3" 3-1/4" 5/8" 2-5/16" 1/4" 5.3
4TB38 P1 3.4" 3.8" 4.15" 5 4-1/8" 1-5/16" 5/8" 1-15/16" 3" 3-1/4" -- 1-5/16" 1/4" 4.8
4TB40 P1 3.6" 4.0" 4.35" 5 4-1/8" 1-5/16" 5/8" 1-15/16" 3" 3-1/4" -- 1-5/16" 1/4" 5.5
4TB42 P1 3.8" 4.2" 4.55" 5 4-1/8" 1-5/16" 5/8" 1-15/16" 3" 3-1/4" -- 1-5/16" 1/4" 5.9
4TB44 P1 4.0" 4.4" 4.75" 13 3-1/2" 1-5/16" 0 1-5/16" 3" 3-1/4" 5/8" 1-5/16" 1/4" 6.5
4TB46 P1 4.2" 4.6" 4.95" 13 3-1/2" 1-5/16" 0 1-5/16" 3" 3-1/4" 5/8" 1-5/16" 1/4" 7.1
4BT48 P1 4.4" 4.8" 5.15" 13 3-1/2" 1-5/16" 0 1-5/16" 3" 3-1/4" 5/8" 1-5/16" 1/4" 7.5
4TB50 P1 4.6" 5.0" 5.35" 13 3-1/2" 1-5/16" 0 1-5/16" 3" 3-1/4" 5/8" 1-5/16" 1/4" 8.3
4TB52 P1 4.8" 5.2" 5.55" 13 3-1/2" 1-5/16" 0 1-5/16" 3" 3-1/4" 5/8" 1-5/16" 1/4" 9.1
4TB54 P1 5.0" 5.4" 5.75" 13 3-1/2" 1-5/16" 0 1-5/16" 3" 3-1/4" 5/8" 1-5/16" 1/4" 9.6
4BT56 P1 5.2" 5.6" 5.95" 13 3-1/2" 1-5/16" 0 1-5/16" 3" 3-1/4" 5/8" 1-5/16" 1/4" 10.6
4TB58 P1 5.4" 5.8" 6.15" 13 3-1/2" 1-5/16" 0 1-5/16" 3" 3-1/4" 5/8" 1-5/16" 1/4" 11.6
4BT60 P1 5.6" 6.0" 6.35" 13 3-1/2" 1-5/16" 0 1-5/16" 3" 3-1/4" 5/8" 1-5/16" 1/4" 11.9
4BT62 P1 5.8" 6.2" 6.55" 13 3-1/2" 1-5/16" 0 1-5/16" 3" 3-1/4" 5/8" 1-5/16" 1/4" 11.1
4TB64 P1 6.0" 6.4" 6.75" 13 3-1/2" 1-5/16" 0 1-5/16" 3" 3-1/4" 5/8" 1-5/16" 1/4" 11.8
4TB66 P1 6.2" 6.6" 6.95" 13 3-1/2" 1-5/16" 0 1-5/16" 3" 3-1/4" 5/8" 1-5/16" 1/4" 12.0
4BT68 P1 6.4" 6.8" 7.15" 13 3-1/2" 1-5/16" 0 1-5/16" 3" 3-1/4" 5/8" 1-5/16" 1/4" 12.5
4TB70 Q1 6.6" 7.0" 7.35" 13 3-17/32" 2-1/2" 0 3/4" 4-1/8" 3-1/4" 5/8" 1-3/4" 9/32" 15.3
4TB74 Q1 7.0" 7.4" 7.75" 13 3-17/32" 2-1/2" 0 3/4" 4-1/8" 3-1/4" 5/8" 1-3/4" 9/32" 15.3
4TB80 Q1 7.6" 8.0" 8.35" 13 3-17/32" 2-1/2" 0 3/4" 4-1/8" 3-1/4" 5/8" 1-3/4" 9/32" 17.0
4TB86 Q1 8.2" 8.6" 8.95" 13 3-17/32" 2-1/2" 0 3/4" 4-1/8" 3-1/4" 5/8" 1-3/4" 9/32" 20.8
4TB90 Q1 8.6" 9.0" 9.35" 13 3-17/32" 2-1/2" 0 3/4" 4-1/8" 3-1/4" 5/8" 1-3/4" 9/32" 20.6
4TB94 Q1 9.0" 9.4" 9.75" 13 3-17/32" 2-1/2" 0 3/4" 4-1/8" 3-1/4" 5/8" 1-3/4" 9/32" 20.1
4TB110 Q1 10.6" 11.0" 11.35" 13 3-17/32" 2-1/2" 0 3/4" 4-1/8" 3-1/4" 5/8" 1-3/4" 9/32" 25.8
4TB124 Q1 12.0" 12.4" 12.75" 13 3-17/32" 2-1/2" 0 3/4" 4-1/8" 3-1/4" 5/8" 1-3/4" 9/32" 27.5
4BT136 Q1 13.2" 13.6" 13.95" 13 3-17/32" 2-1/2" 0 3/4" 4-1/8" 3-1/4" 5/8" 1-3/4" 9/32" 31.5
4TB154 Q1 15.0" 15.4" 15.75" 13 3-17/32" 2-1/2" 0 3/4" 4-1/8" 3-1/4" 5/8" 1-3/4" 9/32" 36.0
4TB160 Q1 15.6" 16.0" 16.35" 13 3-17/32" 2-1/2" 0 3/4" 4-1/8" 3-1/4" 5/8" 1-3/4" 9/32" 39.0
4TB184 Q1 18.0" 18.4" 18.75" 13 3-17/32" 2-1/2" 0 3/4" 4-1/8" 3-1/4" 5/8" 1-3/4" 9/32" 44.8
4TB200 Q1 19.5" 20.0" 20.35" 13 3-17/32" 2-1/2" 0 3/4" 4-1/8" 3-1/4" 5/8" 1-3/4" 9/32" 57.0
4TB250 Q1 24.5" 25.0" 25.35" 13 3-17/32" 2-1/2" 0 3/4" 4-1/8" 3-1/4" 5/8" 1-3/4" 9/32" 69.5
4TB300 Q1 29.5" 30.0" 30.35" 13 3-17/32" 2-1/2" 0 3/4" 4-1/8" 3-1/4" 5/8" 1-3/4" 9/32" 90.8
4TB380 Q1 37.5" 38.0" 38.35" 13 3-17/32" 2-1/2" 0 3/4" 4-1/8" 3-1/4" 5/8" 1-3/4" 9/32" 125.0


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