BKH Series Cast lron Groove Sheaves Double Pulley
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BKH Series Cast lron Groove Sheaves Double Pulley
A double pulley is a type of pulley system that consists of two pulleys mounted on a common axle or shaft. The two pulleys are typically of different sizes, with the larger one known as the drive pulley and the smaller one known as the driven pulley. A belt or rope is wrapped around both pulleys, and when the drive pulley is rotated, it causes the driven pulley to rotate as well. This arrangement allows for mechanical advantage, where force can be multiplied or speed can be reduced, depending on which pulley is used as the input and which is used as the output.
Double pulleys are used in a wide range of applications, from simple machines such as manual cranes and hoists, to more complex systems such as conveyor belts, elevators, and heavy machinery. In this article, we will explore the different types of double pulleys, their applications, and how they work.
BKH-Series Double Pulley Size Chart:
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Size
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Outside Diameter
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Pitch Diameter (4L/A)
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Pitch Diameter (3L)
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Type
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Dimension (O.L.)
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Dimension (F)
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Dimension (L)
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Dimension (P)
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Dimension (C)
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Dimension (X)
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Dimension (G)
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Dimension (E)
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Pulley Weight (LBS) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2BK32H | 3.35″ | 2.60″ | 3.00″ | 1 | 2-13/16″ | 1-3/4″ | 1-1/4″ | 7/8″ | 1-5/16″ | 7/8″ | 7/16″ | 3/16″ | 2.1 |
| 2BK34H | 3.55″ | 2.80″ | 3.20″ | 1 | 2-13/16″ | 1-3/4″ | 1-1/4″ | 7/8″ | 1-5/16″ | 7/8″ | 7/16″ | 3/16″ | 2.4 |
| 2BK36H | 3.75″ | 3.00″ | 3.40″ | 1 | 2-3/8″ | 1-3/4″ | 1-1/4″ | 7/16″ | 7/8″ | 7/8″ | 7/16″ | 3/16″ | 2.0 |
| 2BK40H | 3.95″ | 3.20″ | 3.60″ | 1 | 2-3/8″ | 1-3/4″ | 1-1/4″ | 7/16″ | 7/8″ | 7/8″ | 7/16″ | 3/16″ | 2.4 |
| 2BK45H | 4.25″ | 3.50″ | 3.90″ | 1 | 2-3/8″ | 1-3/4″ | 1-1/4″ | 7/16″ | 7/8″ | 7/8″ | 7/16″ | 3/16″ | 3.0 |
| 2BK47H | 4.45″ | 3.70″ | 4.10″ | 2 | 1-3/4″ | 1-3/4″ | 1-1/4″ | 7/16″ | — | 7/8″ | 7/16″ | 3/16″ | 2.8 |
| 2BK50H | 4.75″ | 4.00″ | 4.40″ | 2 | 1-3/4″ | 1-3/4″ | 1-1/4″ | 7/16″ | — | 7/8″ | 7/16″ | 3/16″ | 3.3 |
| 2BK52H | 4.95″ | 4.20″ | 4.60″ | 2 | 1-3/4″ | 1-3/4″ | 1-1/4″ | 7/16″ | — | 7/8″ | 7/16″ | 3/16″ | 3.6 |
| 2BK55H | 5.25″ | 4.50″ | 4.90″ | 2 | 1-3/4″ | 1-3/4″ | 1-1/4″ | 7/16″ | — | 7/8″ | 7/16″ | 3/16″ | 3.9 |
| 2BK57H | 5.45″ | 4.70″ | 5.10″ | 2 | 1-3/4″ | 1-3/4″ | 1-1/4″ | 7/16″ | — | 7/8″ | 7/16″ | 3/16″ | 4.3 |
| 2BK60H | 5.75″ | 5.00″ | 5.40″ | 2 | 1-3/4″ | 1-3/4″ | 1-1/4″ | 7/16″ | — | 7/8″ | 7/16″ | 3/16″ | 4.4 |
| 2BK62H | 5.95″ | 5.20″ | 5.60″ | 2 | 1-3/4″ | 1-3/4″ | 1-1/4″ | 7/16″ | — | 7/8″ | 7/16″ | 3/16″ | 4.5 |
| 2BK65H | 6.25″ | 5.50″ | 5.90″ | 3 | 1-3/4″ | 1-3/4″ | 1-1/4″ | 7/16″ | 1/4″ | 7/8″ | 7/16″ | 3/16″ | 4.5 |
| 2BK67H | 6.45″ | 5.70″ | 6.10″ | 3 | 1-3/4″ | 1-3/4″ | 1-1/4″ | 7/16″ | 1/4″ | 7/8″ | 7/16″ | 3/16″ | 5.0 |
| 2BK70H | 6.75″ | 6.00″ | 6.40″ | 3 | 1-3/4″ | 1-3/4″ | 1-1/4″ | 7/16″ | 1/4″ | 7/8″ | 7/16″ | 3/16″ | 5.1 |
| 2BK80H | 7.75″ | 7.00″ | 7.40″ | 3 | 1-3/4″ | 1-3/4″ | 1-1/4″ | 7/16″ | 1/4″ | 7/8″ | 7/16″ | 3/16″ | 6.4 |
| 2BK90H | 8.75″ | 8.00″ | 8.40″ | 3 | 1-3/4″ | 1-3/4″ | 1-1/4″ | 7/16″ | 1/4″ | 7/8″ | 7/16″ | 3/16″ | 7.6 |
| 2BK100H | 9.75″ | 9.00″ | 9.40″ | 3 | 1-3/4″ | 1-3/4″ | 1-1/4″ | 7/16″ | 1/4″ | 7/8″ | 7/16″ | 3/16″ | 8.4 |
| 2BK110H | 10.75″ | 10.00″ | 10.40″ | 3 | 1-3/4″ | 1-3/4″ | 1-1/4″ | 7/16″ | 1/4″ | 7/8″ | 7/16″ | 3/16″ | 9.3 |
| 2BK120H | 11.75″ | 11.00″ | 11.40″ | 3 | 1-3/4″ | 1-3/4″ | 1-1/4″ | 7/16″ | 1/4″ | 7/8″ | 7/16″ | 3/16″ | 11.0 |
| 2BK130H | 12.75″ | 12.00″ | 12.40″ | 3 | 1-3/4″ | 1-3/4″ | 1-1/4″ | 7/16″ | 1/4″ | 7/8″ | 7/16″ | 3/16″ | 13.1 |
| 2BK140H | 13.75″ | 13.00″ | 13.40″ | 3 | 1-3/4″ | 1-3/4″ | 1-1/4″ | 7/16″ | 1/4″ | 7/8″ | 7/16″ | 3/16″ | 14.8 |
| 2BK160H | 15.75″ | 15.00″ | 15.40″ | 3 | 1-3/4″ | 1-3/4″ | 1-1/4″ | 7/16″ | 1/4″ | 7/8″ | 7/16″ | 3/16″ | 17.5 |
| 2BK190H | 18.75″ | 18.00″ | 18.40″ | 3 | 1-3/4″ | 1-3/4″ | 1-1/4″ | 7/16″ | 1/4″ | 7/8″ | 7/16″ | 3/16″ | 21.5 |
Double Pulley Features and Benefits:
The belt is an elastomer, which can reduce the impact of load and run smoothly without noise
Overload will cause the belt to slip on the wheel, thus protecting the whole machine
Most American belt pulley grooves are suitable for several different belt types, and the design and application of the belt are more flexible.
There are many types of American standard pulley grooves and tapered bushings. Allows some pulleys and bushings to be installed on the front and back, making it a solution for harsh conditions on different occasions.
Standard pulley and cone bushing, precise balance control, and good transmission performance.
We are one of the best double pulley manufacturers. We can offer a wide variety of double pulley designs. We have exported our products to clients around the world and earned a good reputation because of our superior product quality and after-sales service. We warmly welcome customers both at home and abroad to contact us to negotiate business, exchange information, and cooperate with us!
Double Pulley Application:
