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H (1/2") timing pulleys

H timing pulleys work with H belts with a trapezoidal tooth and a pitch of 1/2" (12.7 mm). It is the most popular imperial profile in medium and high-power drives - in agricultural machinery, machine tools, presses and heavy industrial equipment.

H timing pulleys - quiet running without lubrication under high loads

An H belt carries high loads, yet runs quietly and needs no lubrication - a convenient alternative to a chain in machines where grease is a problem. The pulleys comply with the standard, so they replace a worn pulley in the machine without modifications. Smaller pulleys are made of C45 steel, and larger ones of grey cast iron, which dampens vibration well. With the Taper-Lock version you can replace the pulley quickly, without removing the shaft for machining.

1/2 inch pitch H synchronous pulleys - selection by width and mounting

H pulleys divided by belt width, marked in hundredths of an inch (e.g. 100 means 1", i.e. 25.4 mm), and within each width - by mounting method: Pilot bore or Taper-Lock. H belts can be found in the Timing belts category.

H timing belt pulleys - customer questions

Does an H pulley fit 08B chain?

No. Although the pitch is the same, a timing pulley has trapezoidal grooves for the belt teeth, while a sprocket has a profile for the chain rollers.

Which H pulley width should I choose?

The same as the belt width. In a new drive, the width is selected according to the transmitted power - a wider belt transmits more with the same pulley diameters.

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Timing pulley H300 z=38 for 3" (76.2 mm) belt, C45 steel, pilot bore

Timing pulley H300 z=38 for 3" (76.2 mm) belt, C45 steel, pilot bore

Timing pulley H300, 38 teeth, pitch 1/2" (12.7 mm), pilot bore, C45 steel.
Timing pulley H300, 38 teeth, pitch 1/2" (12.7 mm), pilot bore, C45 steel.
Weight
11 kg
In Stock
77
In Stock:
77

80,23 €

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80,23 €

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Timing pulley H300 z=40 for 3" (76.2 mm) belt, C45 steel, pilot bore

Timing pulley H300 z=40 for 3" (76.2 mm) belt, C45 steel, pilot bore

Timing pulley H300, 40 teeth, pitch 1/2" (12.7 mm), pilot bore, C45 steel.
Timing pulley H300, 40 teeth, pitch 1/2" (12.7 mm), pilot bore, C45 steel.
Weight
12,2 kg
In Stock
84
In Stock:
84

88,64 €

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88,64 €

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Timing pulley H300 z=40 for 3" (76.2 mm) belt, for Taper-Lock 2517, C45 steel

Timing pulley H300 z=40 for 3" (76.2 mm) belt, for Taper-Lock 2517, C45 steel

Timing pulley H300, 40 teeth, pitch 1/2" (12.7 mm), for Taper-Lock 2517, C45 steel.
Timing pulley H300, 40 teeth, pitch 1/2" (12.7 mm), for Taper-Lock 2517, C45 steel.
Weight
6 kg
In Stock
11
In Stock:
11

72,35 €

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72,35 €

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Timing pulley H300 z=44 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300 z=44 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300, 44 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Timing pulley H300, 44 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Weight
15 kg
In Stock
12
In Stock:
12

120,17 €

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120,17 €

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Timing pulley H300 z=44 for 3" (76.2 mm) belt, for Taper-Lock 2517, C45 steel

Timing pulley H300 z=44 for 3" (76.2 mm) belt, for Taper-Lock 2517, C45 steel

Timing pulley H300, 44 teeth, pitch 1/2" (12.7 mm), for Taper-Lock 2517, C45 steel.
Timing pulley H300, 44 teeth, pitch 1/2" (12.7 mm), for Taper-Lock 2517, C45 steel.
Weight
6,6 kg
In Stock
19
In Stock:
19

83,03 €

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83,03 €

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Timing pulley H300 z=45 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300 z=45 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300, 45 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Timing pulley H300, 45 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Weight
15,2 kg
In Stock
0
In Stock:
0

125,45 €

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125,45 €

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Timing pulley H300 z=48 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300 z=48 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300, 48 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Timing pulley H300, 48 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Weight
11,4 kg
In Stock
7
In Stock:
7

125,78 €

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125,78 €

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Timing pulley H300 z=48 for 3" (76.2 mm) belt, for Taper-Lock 2517, C45 steel

Timing pulley H300 z=48 for 3" (76.2 mm) belt, for Taper-Lock 2517, C45 steel

Timing pulley H300, 48 teeth, pitch 1/2" (12.7 mm), for Taper-Lock 2517, C45 steel.
Timing pulley H300, 48 teeth, pitch 1/2" (12.7 mm), for Taper-Lock 2517, C45 steel.
Weight
7,6 kg
In Stock
38
In Stock:
38

99,82 €

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99,82 €

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Timing pulley H300 z=49 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300 z=49 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300, 49 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Timing pulley H300, 49 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Weight
9,4 kg
In Stock
0
In Stock:
0

137,16 €

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137,16 €

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Timing pulley H300 z=50 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300 z=50 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300, 50 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Timing pulley H300, 50 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Weight
10,6 kg
In Stock
22
In Stock:
22

141,74 €

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141,74 €

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Timing pulley H300 z=52 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300 z=52 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300, 52 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Timing pulley H300, 52 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Weight
11,8 kg
In Stock
0
In Stock:
0

156,55 €

total
Total (total)

156,55 €

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Timing pulley H300 z=58 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300 z=58 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300, 58 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Timing pulley H300, 58 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Weight
12,2 kg
In Stock
6
In Stock:
6

157,87 €

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157,87 €

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Timing pulley H300 z=60 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300 z=60 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300, 60 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Timing pulley H300, 60 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Weight
13 kg
In Stock
17
In Stock:
17

171,87 €

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171,87 €

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Timing pulley H300 z=60 for 3" (76.2 mm) belt, for Taper-Lock 2517, cast iron

Timing pulley H300 z=60 for 3" (76.2 mm) belt, for Taper-Lock 2517, cast iron

Timing pulley H300, 60 teeth, pitch 1/2" (12.7 mm), for Taper-Lock 2517, cast iron.
Timing pulley H300, 60 teeth, pitch 1/2" (12.7 mm), for Taper-Lock 2517, cast iron.
Weight
8,4 kg
In Stock
35
In Stock:
35

127,35 €

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127,35 €

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Timing pulley H300 z=70 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300 z=70 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300, 70 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Timing pulley H300, 70 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Weight
16,5 kg
In Stock
1
In Stock:
1

185,56 €

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185,56 €

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Timing pulley H300 z=72 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300 z=72 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300, 72 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Timing pulley H300, 72 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Weight
19 kg
In Stock
23
In Stock:
23

189,89 €

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189,89 €

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Timing pulley H300 z=72 for 3" (76.2 mm) belt, for Taper-Lock 2517, cast iron

Timing pulley H300 z=72 for 3" (76.2 mm) belt, for Taper-Lock 2517, cast iron

Timing pulley H300, 72 teeth, pitch 1/2" (12.7 mm), for Taper-Lock 2517, cast iron.
Timing pulley H300, 72 teeth, pitch 1/2" (12.7 mm), for Taper-Lock 2517, cast iron.
Weight
10,4 kg
In Stock
9
In Stock:
9

158,15 €

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158,15 €

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Timing pulley H300 z=82 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300 z=82 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300, 82 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Timing pulley H300, 82 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Weight
18 kg
In Stock
4
In Stock:
4

248,05 €

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248,05 €

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Timing pulley H300 z=84 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300 z=84 for 3" (76.2 mm) belt, cast iron, pilot bore

Timing pulley H300, 84 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Timing pulley H300, 84 teeth, pitch 1/2" (12.7 mm), pilot bore, cast iron.
Weight
20 kg
In Stock
8
In Stock:
8

255,95 €

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255,95 €

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Timing pulley H300 z=84 for 3" (76.2 mm) belt, for Taper-Lock 2517, cast iron

Timing pulley H300 z=84 for 3" (76.2 mm) belt, for Taper-Lock 2517, cast iron

Timing pulley H300, 84 teeth, pitch 1/2" (12.7 mm), for Taper-Lock 2517, cast iron.
Timing pulley H300, 84 teeth, pitch 1/2" (12.7 mm), for Taper-Lock 2517, cast iron.
Weight
12,5 kg
In Stock
5
In Stock:
5

190,17 €

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190,17 €

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