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H 300 pilot bore timing pulleys

H 300 pilot bore timing pulleys are the widest H pulleys with a pilot bore, designed for a 3" (76.2 mm) wide belt. The long hub and wide rim allow high torque to be transmitted.

H 300 pilot bore timing pulley - a key matched to the transmitted torque

You machine the bore for your own shaft, including non-standard diameters, and choose the key to suit the transmitted torque. This group also contains the smallest H 300 pulleys, which are not made for a bush. Smaller pulleys are made of C45 steel, and larger ones of grey cast iron.

H 300 synchronous pulleys with a pilot bore, including the smallest sizes

H 300 pulleys with a pilot bore, in a wide choice of tooth counts. The bore is machined for the shaft, and the keyway is made to DIN 6885. Large, wide cast iron pulleys running at high peripheral speed should be balanced after machining.

Frequently asked questions about H 300 pilot bore timing pulleys

Does an H 300 pulley fit an H 200 belt?

An H 200 belt will fit on an H 300 pulley, but will not use its full width. It is better to choose a pulley matching the belt width from the H 200 group.

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Timing belt pulley H 300 z=106, cast iron

Timing belt pulley H 300 z=106, cast iron

Timing belt pulley H z=106, width 300 mm, cast iron. Fits H belts, pitch 1/2" (12.7 mm). Mounting: pilot bore. Stock level shown above the price.
Timing belt pulley H z=106, width 300 mm, cast iron. Fits H belts, pitch 1/2" (12.7 mm). Mounting: pilot bore. Stock level shown above the price.
Weight
27,9 kg
In Stock
0
In Stock:
0
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Timing belt pulley H 300 z=116, cast iron

Timing belt pulley H 300 z=116, cast iron

Timing pulley H 116 teeth, belt width 300 mm. Pitch 1/2" (12.7 mm), material: cast iron, mounting: pilot bore. Stock level shown above the product price.
Timing pulley H 116 teeth, belt width 300 mm. Pitch 1/2" (12.7 mm), material: cast iron, mounting: pilot bore. Stock level shown above the product price.
Weight
28,5 kg
In Stock
0
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0
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Timing belt pulley H 300 z=118, cast iron

Timing belt pulley H 300 z=118, cast iron

H z=118 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 300 mm, cast iron. Mounting: pilot bore.
H z=118 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 300 mm, cast iron. Mounting: pilot bore.
Weight
31 kg
In Stock
0
In Stock:
0
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Timing belt pulley H 300 z=120, cast iron

Timing belt pulley H 300 z=120, cast iron

Pulley H z=120, pitch 1/2" (12.7 mm), width 300 mm. Material: cast iron. Mounting: pilot bore.
Pulley H z=120, pitch 1/2" (12.7 mm), width 300 mm. Material: cast iron. Mounting: pilot bore.
Weight
33 kg
In Stock
4
In Stock:
4

315,32 €

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315,32 €

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Timing belt pulley H 300 z=14 steel

Timing belt pulley H 300 z=14 steel

H z=14 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 300 mm, C45 steel. Mounting: pilot bore.
H z=14 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 300 mm, C45 steel. Mounting: pilot bore.
Weight
1,35 kg
In Stock
21
In Stock:
21

14,81 €

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14,81 €

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Timing belt pulley H 300 z=15 steel

Timing belt pulley H 300 z=15 steel

Pulley H z=15, pitch 1/2" (12.7 mm), width 300 mm. Material: C45 steel. Mounting: pilot bore.
Pulley H z=15, pitch 1/2" (12.7 mm), width 300 mm. Material: C45 steel. Mounting: pilot bore.
Weight
1,55 kg
In Stock
89
In Stock:
89

16,59 €

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16,59 €

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Timing belt pulley H 300 z=150, cast iron

Timing belt pulley H 300 z=150, cast iron

Timing belt pulley H z=150, width 300 mm, cast iron. Fits H belts, pitch 1/2" (12.7 mm). Mounting: pilot bore. Stock level shown above the price.
Timing belt pulley H z=150, width 300 mm, cast iron. Fits H belts, pitch 1/2" (12.7 mm). Mounting: pilot bore. Stock level shown above the price.
Weight
38 kg
In Stock
0
In Stock:
0
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Timing belt pulley H 300 z=152, cast iron

Timing belt pulley H 300 z=152, cast iron

Timing pulley H 152 teeth, belt width 300 mm. Pitch 1/2" (12.7 mm), material: cast iron, mounting: pilot bore. Stock level shown above the product price.
Timing pulley H 152 teeth, belt width 300 mm. Pitch 1/2" (12.7 mm), material: cast iron, mounting: pilot bore. Stock level shown above the product price.
Weight
40 kg
In Stock
0
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0
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Timing belt pulley H 300 z=154, cast iron

Timing belt pulley H 300 z=154, cast iron

H z=154 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 300 mm, cast iron. Mounting: pilot bore.
H z=154 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 300 mm, cast iron. Mounting: pilot bore.
Weight
42 kg
In Stock
0
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0
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Timing belt pulley H 300 z=156, cast iron

Timing belt pulley H 300 z=156, cast iron

Pulley H z=156, pitch 1/2" (12.7 mm), width 300 mm. Material: cast iron. Mounting: pilot bore.
Pulley H z=156, pitch 1/2" (12.7 mm), width 300 mm. Material: cast iron. Mounting: pilot bore.
Weight
44,2 kg
In Stock
0
In Stock:
0
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Timing belt pulley H 300 z=16 steel

Timing belt pulley H 300 z=16 steel

Timing belt pulley H z=16, width 300 mm, C45 steel. Fits H belts, pitch 1/2" (12.7 mm). Mounting: pilot bore. Stock level shown above the price.
Timing belt pulley H z=16, width 300 mm, C45 steel. Fits H belts, pitch 1/2" (12.7 mm). Mounting: pilot bore. Stock level shown above the price.
Weight
1,8 kg
In Stock
97
In Stock:
97

18,65 €

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18,65 €

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Timing belt pulley H 300 z=17 steel

Timing belt pulley H 300 z=17 steel

Timing pulley H 17 teeth, belt width 300 mm. Pitch 1/2" (12.7 mm), material: C45 steel, mounting: pilot bore. Stock level shown above the product price.
Timing pulley H 17 teeth, belt width 300 mm. Pitch 1/2" (12.7 mm), material: C45 steel, mounting: pilot bore. Stock level shown above the product price.
Weight
2,1 kg
In Stock
83
In Stock:
83

19,46 €

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19,46 €

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Timing belt pulley H 300 z=18 steel

Timing belt pulley H 300 z=18 steel

H z=18 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 300 mm, C45 steel. Mounting: pilot bore.
H z=18 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 300 mm, C45 steel. Mounting: pilot bore.
Weight
2,38 kg
In Stock
25
In Stock:
25

21,41 €

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21,41 €

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Timing belt pulley H 300 z=19 steel

Timing belt pulley H 300 z=19 steel

Pulley H z=19, pitch 1/2" (12.7 mm), width 300 mm. Material: C45 steel. Mounting: pilot bore.
Pulley H z=19, pitch 1/2" (12.7 mm), width 300 mm. Material: C45 steel. Mounting: pilot bore.
Weight
2,64 kg
In Stock
38
In Stock:
38

23,94 €

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23,94 €

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Timing belt pulley H 300 z=20 steel

Timing belt pulley H 300 z=20 steel

Timing belt pulley H z=20, width 300 mm, C45 steel. Fits H belts, pitch 1/2" (12.7 mm). Mounting: pilot bore. Stock level shown above the price.
Timing belt pulley H z=20, width 300 mm, C45 steel. Fits H belts, pitch 1/2" (12.7 mm). Mounting: pilot bore. Stock level shown above the price.
Weight
3,1 kg
In Stock
101
In Stock:
101

26,33 €

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26,33 €

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Timing belt pulley H 300 z=21 steel

Timing belt pulley H 300 z=21 steel

Timing pulley H 21 teeth, belt width 300 mm. Pitch 1/2" (12.7 mm), material: C45 steel, mounting: pilot bore. Stock level shown above the product price.
Timing pulley H 21 teeth, belt width 300 mm. Pitch 1/2" (12.7 mm), material: C45 steel, mounting: pilot bore. Stock level shown above the product price.
Weight
3,32 kg
In Stock
25
In Stock:
25

29,09 €

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29,09 €

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Timing belt pulley H 300 z=22 steel

Timing belt pulley H 300 z=22 steel

H z=22 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 300 mm, C45 steel. Mounting: pilot bore.
H z=22 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 300 mm, C45 steel. Mounting: pilot bore.
Weight
3,67 kg
In Stock
35
In Stock:
35

29,79 €

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29,79 €

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Timing belt pulley H 300 z=23 steel

Timing belt pulley H 300 z=23 steel

Pulley H z=23, pitch 1/2" (12.7 mm), width 300 mm. Material: C45 steel. Mounting: pilot bore.
Pulley H z=23, pitch 1/2" (12.7 mm), width 300 mm. Material: C45 steel. Mounting: pilot bore.
Weight
4 kg
In Stock
11
In Stock:
11

32,38 €

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32,38 €

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Timing belt pulley H 300 z=24 steel

Timing belt pulley H 300 z=24 steel

Timing belt pulley H z=24, width 300 mm, C45 steel. Fits H belts, pitch 1/2" (12.7 mm). Mounting: pilot bore. Stock level shown above the price.
Timing belt pulley H z=24, width 300 mm, C45 steel. Fits H belts, pitch 1/2" (12.7 mm). Mounting: pilot bore. Stock level shown above the price.
Weight
4,4 kg
In Stock
277
In Stock:
277

35,13 €

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35,13 €

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Timing belt pulley H 300 z=25 steel

Timing belt pulley H 300 z=25 steel

Timing pulley H 25 teeth, belt width 300 mm. Pitch 1/2" (12.7 mm), material: C45 steel, mounting: pilot bore. Stock level shown above the product price.
Timing pulley H 25 teeth, belt width 300 mm. Pitch 1/2" (12.7 mm), material: C45 steel, mounting: pilot bore. Stock level shown above the product price.
Weight
4,79 kg
In Stock
29
In Stock:
29

38,11 €

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38,11 €

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