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Item # VP450X050, Variable Pitch Pulleys


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Variable Pitch Pulleys are ideal for applications where speeds must be changed or where you are unable to predetermine the correct speed. Our pulleys are designed for use with 4L, 5L, A or B section V-Belts. 1-1/2" - 24 Pitch Thread Adjustment allows for downward speed variations up to 30%.





Specifications

Bore Size

1/2 in

OD

4 1/2 in

G Min.

0.469 in

G Max.

0.875 in

K

0.750 in

L

1 25/32 in

Keyway

No Keyway

Style

2

Material

Zamak-3 Zinc

Set Screw

5/16-18

Approximate Weight

1.83 lb

3L Belt Min Pitch Dia.

3.00 in

3L Belt Turns Open

6.00

3L Belt Max Pitch Dia.

3.80 in

3L Belt Turn Open

0.00

4L Belt Min Pitch Dia.

3.30 in

4L Belt Turns Open

7.00

4L Belt Max Pitch Dia.

4.30 in

4L Belt Turn Open

0.00

5L Belt Min Pitch Dia.

3.70 in

5L Belt Turns Open

7.00

5L Belt Max Pitch Dia.

4.50 in

5L Belt Turn Open

1.00



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