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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 300 z=38 steel

Timing belt pulley H 300 z=38 steel

Timing belt pulley H z=38, 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=38, width 300 mm, C45 steel. Fits H belts, pitch 1/2" (12.7 mm). Mounting: pilot bore. Stock level shown above the price.
Weight
11 kg
In Stock
77
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77

79,83 €

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79,83 €

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Timing belt pulley H 300 z=40 for Taper-Lock bush 2517 steel

Timing belt pulley H 300 z=40 for Taper-Lock bush 2517 steel

Timing belt pulley H z=40, width 300 mm, C45 steel. Fits H belts, pitch 1/2" (12.7 mm). Mounting: Taper-Lock 2517. Stock level shown above the price.
Timing belt pulley H z=40, width 300 mm, C45 steel. Fits H belts, pitch 1/2" (12.7 mm). Mounting: Taper-Lock 2517. Stock level shown above the price.
Weight
6 kg
In Stock
11
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11

71,99 €

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71,99 €

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Timing belt pulley H 300 z=40 steel

Timing belt pulley H 300 z=40 steel

Timing pulley H 40 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 40 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
12,2 kg
In Stock
84
In Stock:
84

88,21 €

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88,21 €

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Timing belt pulley H 300 z=44 for Taper-Lock bush 2517 steel

Timing belt pulley H 300 z=44 for Taper-Lock bush 2517 steel

Timing pulley H 44 teeth, belt width 300 mm. Pitch 1/2" (12.7 mm), material: C45 steel, mounting: Taper-Lock 2517. Stock level shown above the product price.
Timing pulley H 44 teeth, belt width 300 mm. Pitch 1/2" (12.7 mm), material: C45 steel, mounting: Taper-Lock 2517. Stock level shown above the product price.
Weight
6,6 kg
In Stock
19
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19

82,61 €

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82,61 €

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Timing belt pulley H 300 z=44, cast iron

Timing belt pulley H 300 z=44, cast iron

H z=44 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 300 mm, cast iron. Mounting: pilot bore.
H z=44 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 300 mm, cast iron. Mounting: pilot bore.
Weight
15 kg
In Stock
12
In Stock:
12

119,57 €

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119,57 €

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Timing belt pulley H 300 z=45, cast iron

Timing belt pulley H 300 z=45, cast iron

Pulley H z=45, pitch 1/2" (12.7 mm), width 300 mm. Material: cast iron. Mounting: pilot bore.
Pulley H z=45, pitch 1/2" (12.7 mm), width 300 mm. Material: cast iron. Mounting: pilot bore.
Weight
15,2 kg
In Stock
0
In Stock:
0

124,83 €

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124,83 €

Timing belt pulley H 300 z=48 for Taper-Lock bush 2517 steel

Timing belt pulley H 300 z=48 for Taper-Lock bush 2517 steel

H z=48 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 300 mm, C45 steel. Mounting: Taper-Lock 2517.
H z=48 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 300 mm, C45 steel. Mounting: Taper-Lock 2517.
Weight
7,6 kg
In Stock
38
In Stock:
38

99,33 €

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99,33 €

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Timing belt pulley H 300 z=48, cast iron

Timing belt pulley H 300 z=48, cast iron

Timing belt pulley H z=48, 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=48, width 300 mm, cast iron. Fits H belts, pitch 1/2" (12.7 mm). Mounting: pilot bore. Stock level shown above the price.
Weight
11,4 kg
In Stock
7
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7

125,16 €

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125,16 €

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Timing belt pulley H 300 z=49, cast iron

Timing belt pulley H 300 z=49, cast iron

Timing pulley H 49 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 49 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
9,4 kg
In Stock
0
In Stock:
0

136,48 €

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136,48 €

Timing belt pulley H 300 z=50, cast iron

Timing belt pulley H 300 z=50, cast iron

H z=50 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 300 mm, cast iron. Mounting: pilot bore.
H z=50 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 300 mm, cast iron. Mounting: pilot bore.
Weight
10,6 kg
In Stock
22
In Stock:
22

141,04 €

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141,04 €

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Timing belt pulley H 300 z=52, cast iron

Timing belt pulley H 300 z=52, cast iron

Pulley H z=52, pitch 1/2" (12.7 mm), width 300 mm. Material: cast iron. Mounting: pilot bore.
Pulley H z=52, pitch 1/2" (12.7 mm), width 300 mm. Material: cast iron. Mounting: pilot bore.
Weight
11,8 kg
In Stock
0
In Stock:
0

155,78 €

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155,78 €

Timing belt pulley H 300 z=58, cast iron

Timing belt pulley H 300 z=58, cast iron

Timing belt pulley H z=58, 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=58, width 300 mm, cast iron. Fits H belts, pitch 1/2" (12.7 mm). Mounting: pilot bore. Stock level shown above the price.
Weight
12,2 kg
In Stock
6
In Stock:
6

157,08 €

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157,08 €

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Timing belt pulley H 300 z=60 for Taper-Lock bush 2517 cast iron

Timing belt pulley H 300 z=60 for Taper-Lock bush 2517 cast iron

Pulley H z=60, pitch 1/2" (12.7 mm), width 300 mm. Material: cast iron. Mounting: Taper-Lock 2517.
Pulley H z=60, pitch 1/2" (12.7 mm), width 300 mm. Material: cast iron. Mounting: Taper-Lock 2517.
Weight
8,4 kg
In Stock
35
In Stock:
35

126,72 €

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126,72 €

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Timing belt pulley H 300 z=60, cast iron

Timing belt pulley H 300 z=60, cast iron

Timing pulley H 60 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 60 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
13 kg
In Stock
17
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17

171,01 €

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171,01 €

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Timing belt pulley H 300 z=70, cast iron

Timing belt pulley H 300 z=70, cast iron

H z=70 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 300 mm, cast iron. Mounting: pilot bore.
H z=70 - timing belt pulley for H belt. Pitch 1/2" (12.7 mm), width 300 mm, cast iron. Mounting: pilot bore.
Weight
16,5 kg
In Stock
1
In Stock:
1

184,64 €

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184,64 €

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Timing belt pulley H 300 z=72 for Taper-Lock bush 2517 cast iron

Timing belt pulley H 300 z=72 for Taper-Lock bush 2517 cast iron

Timing belt pulley H z=72, width 300 mm, cast iron. Fits H belts, pitch 1/2" (12.7 mm). Mounting: Taper-Lock 2517. Stock level shown above the price.
Timing belt pulley H z=72, width 300 mm, cast iron. Fits H belts, pitch 1/2" (12.7 mm). Mounting: Taper-Lock 2517. Stock level shown above the price.
Weight
10,4 kg
In Stock
9
In Stock:
9

157,36 €

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157,36 €

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Timing belt pulley H 300 z=72, cast iron

Timing belt pulley H 300 z=72, cast iron

Pulley H z=72, pitch 1/2" (12.7 mm), width 300 mm. Material: cast iron. Mounting: pilot bore.
Pulley H z=72, pitch 1/2" (12.7 mm), width 300 mm. Material: cast iron. Mounting: pilot bore.
Weight
19 kg
In Stock
23
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23

188,95 €

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188,95 €

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Timing belt pulley H 300 z=82, cast iron

Timing belt pulley H 300 z=82, cast iron

Timing belt pulley H z=82, 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=82, width 300 mm, cast iron. Fits H belts, pitch 1/2" (12.7 mm). Mounting: pilot bore. Stock level shown above the price.
Weight
18 kg
In Stock
4
In Stock:
4

246,82 €

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246,82 €

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Timing belt pulley H 300 z=84 for Taper-Lock bush 2517 cast iron

Timing belt pulley H 300 z=84 for Taper-Lock bush 2517 cast iron

Timing pulley H 84 teeth, belt width 300 mm. Pitch 1/2" (12.7 mm), material: cast iron, mounting: Taper-Lock 2517. Stock level shown above the product price.
Timing pulley H 84 teeth, belt width 300 mm. Pitch 1/2" (12.7 mm), material: cast iron, mounting: Taper-Lock 2517. Stock level shown above the product price.
Weight
12,5 kg
In Stock
5
In Stock:
5

189,23 €

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189,23 €

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Timing belt pulley H 300 z=84, cast iron

Timing belt pulley H 300 z=84, cast iron

Timing pulley H 84 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 84 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
20 kg
In Stock
8
In Stock:
8

254,69 €

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254,69 €

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