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Timing pulleys - imperial pitch

Imperial pitch timing pulleys work with trapezoidal tooth belts whose pitch is given in inches. It is the oldest standardised system of synchronous drives, still present in machines from America and Europe - which is why imperial pulleys are often sought as spare parts.

Imperial timing pulleys to ISO 5294 - replacements without modifying the drive

We make the pulleys to ISO 5294, so they fit imperial belts from any manufacturer - you do not need to look for an original part or convert the drive to a metric profile. Pulleys in fine profiles are made of light aluminium, and in larger profiles - of C45 steel and grey cast iron, which withstand high loads. In the larger profiles you can choose a Taper-Lock pulley and mount it without turning the bore.

Imperial synchronous pulleys in MXL, XL, L, H and XH profiles

Pulleys in five profiles: MXL (0.080"), XL (1/5"), L (3/8"), H (1/2") and XH (7/8"). Each profile has subgroups by belt width, and within them - by mounting method. The width in the designation is given in hundredths of an inch, e.g. 100 means 1". Imperial belts can be found in the Timing belts category.

Frequently asked questions about imperial timing belt pulleys

Can I replace an imperial drive with a metric one?

Yes, but both pulleys and the belt must be replaced, because imperial and metric profiles are not interchangeable. When repairing a machine, it is simpler to choose an imperial pulley that matches the existing belt.

How do I identify the profile of a worn belt?

The designation is usually on the back of the belt, e.g. 240 L 100 - length, profile and width. If the print has worn off, measure the distance between teeth over a few teeth and compare it with the profile pitches.

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Timing belt pulley H 150 z=21 for Taper-Lock bush 1210 steel

Timing belt pulley H 150 z=21 for Taper-Lock bush 1210 steel

Pulley H z=21, pitch 1/2" (12.7 mm), width 150 mm. Material: C45 steel. Mounting: Taper-Lock 1210.
Pulley H z=21, pitch 1/2" (12.7 mm), width 150 mm. Material: C45 steel. Mounting: Taper-Lock 1210.
Weight
1 kg
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90
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90

14,88 €

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Timing belt pulley H 150 z=21 steel

Timing belt pulley H 150 z=21 steel

Timing pulley H 21 teeth, belt width 150 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 150 mm. Pitch 1/2" (12.7 mm), material: C45 steel, mounting: pilot bore. Stock level shown above the product price.
Weight
1,87 kg
In Stock
348
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348

18,02 €

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Timing belt pulley H 150 z=22 for Taper-Lock bush 1210 steel

Timing belt pulley H 150 z=22 for Taper-Lock bush 1210 steel

Timing belt pulley H z=22, width 150 mm, C45 steel. Fits H belts, pitch 1/2" (12.7 mm). Mounting: Taper-Lock 1210. Stock level shown above the price.
Timing belt pulley H z=22, width 150 mm, C45 steel. Fits H belts, pitch 1/2" (12.7 mm). Mounting: Taper-Lock 1210. Stock level shown above the price.
Weight
1,2 kg
In Stock
69
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69

15,24 €

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15,24 €

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Timing belt pulley H 150 z=22 steel

Timing belt pulley H 150 z=22 steel

H z=22 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 150 mm, C45 steel. Mounting: pilot bore.
H z=22 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 150 mm, C45 steel. Mounting: pilot bore.
Weight
2,07 kg
In Stock
461
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461

18,13 €

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Timing belt pulley H 150 z=23 for Taper-Lock bush 1610 steel

Timing belt pulley H 150 z=23 for Taper-Lock bush 1610 steel

Timing pulley H 23 teeth, belt width 150 mm. Pitch 1/2" (12.7 mm), material: C45 steel, mounting: Taper-Lock 1610. Stock level shown above the product price.
Timing pulley H 23 teeth, belt width 150 mm. Pitch 1/2" (12.7 mm), material: C45 steel, mounting: Taper-Lock 1610. Stock level shown above the product price.
Weight
1,3 kg
In Stock
95
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95

16,30 €

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16,30 €

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Timing belt pulley H 150 z=23 steel

Timing belt pulley H 150 z=23 steel

Pulley H z=23, pitch 1/2" (12.7 mm), width 150 mm. Material: C45 steel. Mounting: pilot bore.
Pulley H z=23, pitch 1/2" (12.7 mm), width 150 mm. Material: C45 steel. Mounting: pilot bore.
Weight
2,28 kg
In Stock
243
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243

20,08 €

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Timing belt pulley H 150 z=24 for Taper-Lock bush 1610 steel

Timing belt pulley H 150 z=24 for Taper-Lock bush 1610 steel

H z=24 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 150 mm, C45 steel. Mounting: Taper-Lock 1610.
H z=24 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 150 mm, C45 steel. Mounting: Taper-Lock 1610.
Weight
1 kg
In Stock
364
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364

17,63 €

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17,63 €

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Timing belt pulley H 150 z=24 steel

Timing belt pulley H 150 z=24 steel

Timing belt pulley H z=24, width 150 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 150 mm, C45 steel. Fits H belts, pitch 1/2" (12.7 mm). Mounting: pilot bore. Stock level shown above the price.
Weight
2,5 kg
In Stock
215
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215

21,72 €

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21,72 €

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Timing belt pulley H 150 z=25 for Taper-Lock bush 1610 steel

Timing belt pulley H 150 z=25 for Taper-Lock bush 1610 steel

Pulley H z=25, pitch 1/2" (12.7 mm), width 150 mm. Material: C45 steel. Mounting: Taper-Lock 1610.
Pulley H z=25, pitch 1/2" (12.7 mm), width 150 mm. Material: C45 steel. Mounting: Taper-Lock 1610.
Weight
1,2 kg
In Stock
37
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37

19,05 €

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19,05 €

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Timing belt pulley H 150 z=25 steel

Timing belt pulley H 150 z=25 steel

Timing pulley H 25 teeth, belt width 150 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 150 mm. Pitch 1/2" (12.7 mm), material: C45 steel, mounting: pilot bore. Stock level shown above the product price.
Weight
2,71 kg
In Stock
154
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154

23,64 €

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Timing belt pulley H 150 z=26 for Taper-Lock bush 1610 steel

Timing belt pulley H 150 z=26 for Taper-Lock bush 1610 steel

Timing belt pulley H z=26, width 150 mm, C45 steel. Fits H belts, pitch 1/2" (12.7 mm). Mounting: Taper-Lock 1610. Stock level shown above the price.
Timing belt pulley H z=26, width 150 mm, C45 steel. Fits H belts, pitch 1/2" (12.7 mm). Mounting: Taper-Lock 1610. Stock level shown above the price.
Weight
1,4 kg
In Stock
35
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35

20,08 €

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Timing belt pulley H 150 z=26 steel

Timing belt pulley H 150 z=26 steel

H z=26 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 150 mm, C45 steel. Mounting: pilot bore.
H z=26 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 150 mm, C45 steel. Mounting: pilot bore.
Weight
2,99 kg
In Stock
221
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221

25,75 €

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Timing belt pulley H 150 z=27 for Taper-Lock bush 1610 steel

Timing belt pulley H 150 z=27 for Taper-Lock bush 1610 steel

Timing pulley H 27 teeth, belt width 150 mm. Pitch 1/2" (12.7 mm), material: C45 steel, mounting: Taper-Lock 1610. Stock level shown above the product price.
Timing pulley H 27 teeth, belt width 150 mm. Pitch 1/2" (12.7 mm), material: C45 steel, mounting: Taper-Lock 1610. Stock level shown above the product price.
Weight
1,6 kg
In Stock
44
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44

20,86 €

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Timing belt pulley H 150 z=27 steel

Timing belt pulley H 150 z=27 steel

Pulley H z=27, pitch 1/2" (12.7 mm), width 150 mm. Material: C45 steel. Mounting: pilot bore.
Pulley H z=27, pitch 1/2" (12.7 mm), width 150 mm. Material: C45 steel. Mounting: pilot bore.
Weight
3,15 kg
In Stock
58
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58

25,80 €

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Timing belt pulley H 150 z=28 for Taper-Lock bush 1610 steel

Timing belt pulley H 150 z=28 for Taper-Lock bush 1610 steel

H z=28 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 150 mm, C45 steel. Mounting: Taper-Lock 1610.
H z=28 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 150 mm, C45 steel. Mounting: Taper-Lock 1610.
Weight
1,8 kg
In Stock
125
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125

22,25 €

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22,25 €

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Timing belt pulley H 150 z=28 steel

Timing belt pulley H 150 z=28 steel

Timing belt pulley H z=28, width 150 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=28, width 150 mm, C45 steel. Fits H belts, pitch 1/2" (12.7 mm). Mounting: pilot bore. Stock level shown above the price.
Weight
3,39 kg
In Stock
109
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109

27,97 €

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Timing belt pulley H 150 z=29 steel

Timing belt pulley H 150 z=29 steel

Timing pulley H 29 teeth, belt width 150 mm. Pitch 1/2" (12.7 mm), material: C45 steel, mounting: pilot bore. Stock level shown above the product price.
Timing pulley H 29 teeth, belt width 150 mm. Pitch 1/2" (12.7 mm), material: C45 steel, mounting: pilot bore. Stock level shown above the product price.
Weight
3,57 kg
In Stock
152
In Stock:
152

29,95 €

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Timing belt pulley H 150 z=30 for Taper-Lock bush 1610 steel

Timing belt pulley H 150 z=30 for Taper-Lock bush 1610 steel

Pulley H z=30, pitch 1/2" (12.7 mm), width 150 mm. Material: C45 steel. Mounting: Taper-Lock 1610.
Pulley H z=30, pitch 1/2" (12.7 mm), width 150 mm. Material: C45 steel. Mounting: Taper-Lock 1610.
Weight
2,3 kg
In Stock
77
In Stock:
77

25,28 €

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25,28 €

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Timing belt pulley H 150 z=30 steel

Timing belt pulley H 150 z=30 steel

H z=30 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 150 mm, C45 steel. Mounting: pilot bore.
H z=30 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 150 mm, C45 steel. Mounting: pilot bore.
Weight
3,86 kg
In Stock
498
In Stock:
498

32,01 €

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32,01 €

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Timing belt pulley H 150 z=32 for Taper-Lock bush 1610 steel

Timing belt pulley H 150 z=32 for Taper-Lock bush 1610 steel

Timing belt pulley H z=32, width 150 mm, C45 steel. Fits H belts, pitch 1/2" (12.7 mm). Mounting: Taper-Lock 1610. Stock level shown above the price.
Timing belt pulley H z=32, width 150 mm, C45 steel. Fits H belts, pitch 1/2" (12.7 mm). Mounting: Taper-Lock 1610. Stock level shown above the price.
Weight
2,3 kg
In Stock
56
In Stock:
56

29,36 €

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29,36 €

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