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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 pulley L050 z=32 for 1/2" (12.7 mm) belt, for Taper-Lock 1108, C45 steel

Timing pulley L050 z=32 for 1/2" (12.7 mm) belt, for Taper-Lock 1108, C45 steel

Timing pulley L050, 32 teeth, pitch 3/8" (9.525 mm), for Taper-Lock 1108, C45 steel.
Timing pulley L050, 32 teeth, pitch 3/8" (9.525 mm), for Taper-Lock 1108, C45 steel.
Weight
0,9 kg
In Stock
53
In Stock:
53

12,18 €

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12,18 €

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Timing pulley L050 z=33 for 1/2" (12.7 mm) belt, C45 steel, pilot bore

Timing pulley L050 z=33 for 1/2" (12.7 mm) belt, C45 steel, pilot bore

Timing pulley L050, 33 teeth, pitch 3/8" (9.525 mm), pilot bore, C45 steel.
Timing pulley L050, 33 teeth, pitch 3/8" (9.525 mm), pilot bore, C45 steel.
Weight
1,3 kg
In Stock
76
In Stock:
76

14,75 €

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14,75 €

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Timing pulley L050 z=34 for 1/2" (12.7 mm) belt, C45 steel, pilot bore

Timing pulley L050 z=34 for 1/2" (12.7 mm) belt, C45 steel, pilot bore

Timing pulley L050, 34 teeth, pitch 3/8" (9.525 mm), pilot bore, C45 steel.
Timing pulley L050, 34 teeth, pitch 3/8" (9.525 mm), pilot bore, C45 steel.
Weight
1,37 kg
In Stock
131
In Stock:
131

15,79 €

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15,79 €

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Timing pulley L050 z=35 for 1/2" (12.7 mm) belt, C45 steel, pilot bore

Timing pulley L050 z=35 for 1/2" (12.7 mm) belt, C45 steel, pilot bore

Timing pulley L050, 35 teeth, pitch 3/8" (9.525 mm), pilot bore, C45 steel.
Timing pulley L050, 35 teeth, pitch 3/8" (9.525 mm), pilot bore, C45 steel.
Weight
1,44 kg
In Stock
211
In Stock:
211

16,71 €

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16,71 €

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Timing pulley L050 z=36 for 1/2" (12.7 mm) belt, C45 steel, pilot bore

Timing pulley L050 z=36 for 1/2" (12.7 mm) belt, C45 steel, pilot bore

Timing pulley L050, 36 teeth, pitch 3/8" (9.525 mm), pilot bore, C45 steel.
Timing pulley L050, 36 teeth, pitch 3/8" (9.525 mm), pilot bore, C45 steel.
Weight
1,5 kg
In Stock
305
In Stock:
305

17,69 €

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17,69 €

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Timing pulley L050 z=36 for 1/2" (12.7 mm) belt, for Taper-Lock 1108, C45 steel

Timing pulley L050 z=36 for 1/2" (12.7 mm) belt, for Taper-Lock 1108, C45 steel

Timing pulley L050, 36 teeth, pitch 3/8" (9.525 mm), for Taper-Lock 1108, C45 steel.
Timing pulley L050, 36 teeth, pitch 3/8" (9.525 mm), for Taper-Lock 1108, C45 steel.
Weight
1,2 kg
In Stock
76
In Stock:
76

14,90 €

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14,90 €

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Timing pulley L050 z=40 for 1/2" (12.7 mm) belt, C45 steel, pilot bore

Timing pulley L050 z=40 for 1/2" (12.7 mm) belt, C45 steel, pilot bore

Timing pulley L050, 40 teeth, pitch 3/8" (9.525 mm), pilot bore, C45 steel.
Timing pulley L050, 40 teeth, pitch 3/8" (9.525 mm), pilot bore, C45 steel.
Weight
1,77 kg
In Stock
402
In Stock:
402

19,81 €

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19,81 €

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Timing pulley L050 z=40 for 1/2" (12.7 mm) belt, for Taper-Lock 1610, C45 steel

Timing pulley L050 z=40 for 1/2" (12.7 mm) belt, for Taper-Lock 1610, C45 steel

Timing pulley L050, 40 teeth, pitch 3/8" (9.525 mm), for Taper-Lock 1610, C45 steel.
Timing pulley L050, 40 teeth, pitch 3/8" (9.525 mm), for Taper-Lock 1610, C45 steel.
Weight
1,5 kg
In Stock
49
In Stock:
49

18,25 €

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18,25 €

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Timing pulley L050 z=41 for 1/2" (12.7 mm) belt, C45 steel, pilot bore

Timing pulley L050 z=41 for 1/2" (12.7 mm) belt, C45 steel, pilot bore

Timing pulley L050, 41 teeth, pitch 3/8" (9.525 mm), pilot bore, C45 steel.
Timing pulley L050, 41 teeth, pitch 3/8" (9.525 mm), pilot bore, C45 steel.
Weight
1,7 kg
In Stock
48
In Stock:
48

20,82 €

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20,82 €

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Timing pulley L050 z=42 for 1/2" (12.7 mm) belt, C45 steel, pilot bore

Timing pulley L050 z=42 for 1/2" (12.7 mm) belt, C45 steel, pilot bore

Timing pulley L050, 42 teeth, pitch 3/8" (9.525 mm), pilot bore, C45 steel.
Timing pulley L050, 42 teeth, pitch 3/8" (9.525 mm), pilot bore, C45 steel.
Weight
1,97 kg
In Stock
207
In Stock:
207

21,10 €

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21,10 €

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Timing pulley L050 z=44 for 1/2" (12.7 mm) belt, C45 steel, pilot bore

Timing pulley L050 z=44 for 1/2" (12.7 mm) belt, C45 steel, pilot bore

Timing pulley L050, 44 teeth, pitch 3/8" (9.525 mm), pilot bore, C45 steel.
Timing pulley L050, 44 teeth, pitch 3/8" (9.525 mm), pilot bore, C45 steel.
Weight
2,2 kg
In Stock
119
In Stock:
119

23,42 €

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23,42 €

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Timing pulley L050 z=44 for 1/2" (12.7 mm) belt, for Taper-Lock 1610, C45 steel

Timing pulley L050 z=44 for 1/2" (12.7 mm) belt, for Taper-Lock 1610, C45 steel

Timing pulley L050, 44 teeth, pitch 3/8" (9.525 mm), for Taper-Lock 1610, C45 steel.
Timing pulley L050, 44 teeth, pitch 3/8" (9.525 mm), for Taper-Lock 1610, C45 steel.
Weight
1,5 kg
In Stock
0
In Stock:
0

21,94 €

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21,94 €

Timing pulley L050 z=45 for 1/2" (12.7 mm) belt, C45 steel, pilot bore

Timing pulley L050 z=45 for 1/2" (12.7 mm) belt, C45 steel, pilot bore

Timing pulley L050, 45 teeth, pitch 3/8" (9.525 mm), pilot bore, C45 steel.
Timing pulley L050, 45 teeth, pitch 3/8" (9.525 mm), pilot bore, C45 steel.
Weight
2,27 kg
In Stock
49
In Stock:
49

23,75 €

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23,75 €

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Timing pulley L050 z=47 for 1/2" (12.7 mm) belt, C45 steel, pilot bore

Timing pulley L050 z=47 for 1/2" (12.7 mm) belt, C45 steel, pilot bore

Timing pulley L050, 47 teeth, pitch 3/8" (9.525 mm), pilot bore, C45 steel.
Timing pulley L050, 47 teeth, pitch 3/8" (9.525 mm), pilot bore, C45 steel.
Weight
2 kg
In Stock
33
In Stock:
33

24,96 €

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24,96 €

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Timing pulley L050 z=48 for 1/2" (12.7 mm) belt, C45 steel, pilot bore

Timing pulley L050 z=48 for 1/2" (12.7 mm) belt, C45 steel, pilot bore

Timing pulley L050, 48 teeth, pitch 3/8" (9.525 mm), pilot bore, C45 steel.
Timing pulley L050, 48 teeth, pitch 3/8" (9.525 mm), pilot bore, C45 steel.
Weight
2,67 kg
In Stock
910
In Stock:
910

25,65 €

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25,65 €

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Timing pulley L050 z=48 for 1/2" (12.7 mm) belt, for Taper-Lock 1610, C45 steel

Timing pulley L050 z=48 for 1/2" (12.7 mm) belt, for Taper-Lock 1610, C45 steel

Timing pulley L050, 48 teeth, pitch 3/8" (9.525 mm), for Taper-Lock 1610, C45 steel.
Timing pulley L050, 48 teeth, pitch 3/8" (9.525 mm), for Taper-Lock 1610, C45 steel.
Weight
2,3 kg
In Stock
87
In Stock:
87

24,42 €

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24,42 €

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Timing pulley L050 z=49 for 1/2" (12.7 mm) belt, cast iron, pilot bore

Timing pulley L050 z=49 for 1/2" (12.7 mm) belt, cast iron, pilot bore

Timing pulley L050, 49 teeth, pitch 3/8" (9.525 mm), pilot bore, cast iron.
Timing pulley L050, 49 teeth, pitch 3/8" (9.525 mm), pilot bore, cast iron.
Weight
2,1 kg
In Stock
11
In Stock:
11

26,21 €

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26,21 €

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Timing pulley L050 z=50 for 1/2" (12.7 mm) belt, cast iron, pilot bore

Timing pulley L050 z=50 for 1/2" (12.7 mm) belt, cast iron, pilot bore

Timing pulley L050, 50 teeth, pitch 3/8" (9.525 mm), pilot bore, cast iron.
Timing pulley L050, 50 teeth, pitch 3/8" (9.525 mm), pilot bore, cast iron.
Weight
1,9 kg
In Stock
22
In Stock:
22

28,81 €

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28,81 €

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Timing pulley L050 z=52 for 1/2" (12.7 mm) belt, cast iron, pilot bore

Timing pulley L050 z=52 for 1/2" (12.7 mm) belt, cast iron, pilot bore

Timing pulley L050, 52 teeth, pitch 3/8" (9.525 mm), pilot bore, cast iron.
Timing pulley L050, 52 teeth, pitch 3/8" (9.525 mm), pilot bore, cast iron.
Weight
2 kg
In Stock
99
In Stock:
99

29,54 €

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29,54 €

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Timing pulley L050 z=56 for 1/2" (12.7 mm) belt, cast iron, pilot bore

Timing pulley L050 z=56 for 1/2" (12.7 mm) belt, cast iron, pilot bore

Timing pulley L050, 56 teeth, pitch 3/8" (9.525 mm), pilot bore, cast iron.
Timing pulley L050, 56 teeth, pitch 3/8" (9.525 mm), pilot bore, cast iron.
Weight
2,18 kg
In Stock
53
In Stock:
53

30,99 €

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30,99 €

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