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XL timing pulleys (1/5")

XL timing pulleys work with XL belts with a trapezoidal tooth and a pitch of 1/5" (5.08 mm). It is a popular profile in automation, CNC machines, robotics and precision devices - the belt is thin and flexible, so it also runs well on small pulleys.

1/5 inch XL timing pulleys made of aluminium or C45 steel

Most sizes are available in two materials. Pulleys made of hard-anodised 6082 T6 aluminium are lightweight and perform well in fast, low-inertia drives. C45 steel pulleys withstand shocks and higher torques better. Compliance with the standard makes it easier to replace a worn pulley in an imported machine. The thin XL belt wraps well around small pulleys, so you can build a compact drive with a large ratio.

XL 037 synchronous pulleys for 3/8 inch belts with a pilot bore

XL pulleys for 3/8" wide belts (designation 037), with a pilot bore - in the XL 037 pilot bore timing pulleys group. XL belts can be found in the Timing belts category.

Frequently asked questions about XL timing belt pulleys and the 037 designation

What does the number 037 on an XL belt mean?

It is the belt width in hundredths of an inch: 037 is 3/8", i.e. approx. 9.5 mm. A 037 pulley is designed for such a belt.

Does an XL pulley fit a T5 belt?

No. The 5.08 mm and 5 mm pitches are close, but the difference accumulates over successive teeth, and the tooth shape is also different.

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Timing belt pulley XL 037 z=20 aluminium

Timing belt pulley XL 037 z=20 aluminium

XL z=20 - timing belt pulley for XL belt. Pitch 1/5" (5.08 mm), width 37 mm, aluminium 6082 T6. Mounting: pilot bore.
XL z=20 - timing belt pulley for XL belt. Pitch 1/5" (5.08 mm), width 37 mm, aluminium 6082 T6. Mounting: pilot bore.
Weight
0,041 kg
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2253
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Timing belt pulley XL 037 z=20 steel

Timing belt pulley XL 037 z=20 steel

Timing belt pulley XL z=20, width 37 mm, C45 steel. Fits XL belts, pitch 1/5" (5.08 mm). Mounting: pilot bore. Stock level shown above the price.
Timing belt pulley XL z=20, width 37 mm, C45 steel. Fits XL belts, pitch 1/5" (5.08 mm). Mounting: pilot bore. Stock level shown above the price.
Weight
0,106 kg
In Stock
127
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127

2,89 €

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Timing belt pulley XL 037 z=21 aluminium

Timing belt pulley XL 037 z=21 aluminium

Pulley XL z=21, pitch 1/5" (5.08 mm), width 37 mm. Material: aluminium 6082 T6. Mounting: pilot bore.
Pulley XL z=21, pitch 1/5" (5.08 mm), width 37 mm. Material: aluminium 6082 T6. Mounting: pilot bore.
Weight
0,044 kg
In Stock
1204
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1204

3,17 €

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Timing belt pulley XL 037 z=21 steel

Timing belt pulley XL 037 z=21 steel

Timing pulley XL 21 teeth, belt width 37 mm. Pitch 1/5" (5.08 mm), material: C45 steel, mounting: pilot bore. Stock level shown above the product price.
Timing pulley XL 21 teeth, belt width 37 mm. Pitch 1/5" (5.08 mm), material: C45 steel, mounting: pilot bore. Stock level shown above the product price.
Weight
0,118 kg
In Stock
53
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53

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Timing belt pulley XL 037 z=22 aluminium

Timing belt pulley XL 037 z=22 aluminium

Timing belt pulley XL z=22, width 37 mm, aluminium 6082 T6. Fits XL belts, pitch 1/5" (5.08 mm). Mounting: pilot bore. Stock level shown above the price.
Timing belt pulley XL z=22, width 37 mm, aluminium 6082 T6. Fits XL belts, pitch 1/5" (5.08 mm). Mounting: pilot bore. Stock level shown above the price.
Weight
0,052 kg
In Stock
1666
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1666

3,39 €

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Timing belt pulley XL 037 z=22 steel

Timing belt pulley XL 037 z=22 steel

XL z=22 - timing belt pulley for XL belt. Pitch 1/5" (5.08 mm), width 37 mm, C45 steel. Mounting: pilot bore.
XL z=22 - timing belt pulley for XL belt. Pitch 1/5" (5.08 mm), width 37 mm, C45 steel. Mounting: pilot bore.
Weight
0,132 kg
In Stock
592
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Timing belt pulley XL 037 z=23 steel

Timing belt pulley XL 037 z=23 steel

Pulley XL z=23, pitch 1/5" (5.08 mm), width 37 mm. Material: C45 steel. Mounting: pilot bore.
Pulley XL z=23, pitch 1/5" (5.08 mm), width 37 mm. Material: C45 steel. Mounting: pilot bore.
Weight
0,138 kg
In Stock
166
In Stock:
166

3,20 €

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Timing belt pulley XL 037 z=24 aluminium

Timing belt pulley XL 037 z=24 aluminium

Timing pulley XL 24 teeth, belt width 37 mm. Pitch 1/5" (5.08 mm), material: aluminium 6082 T6, mounting: pilot bore. Stock level shown above the product price.
Timing pulley XL 24 teeth, belt width 37 mm. Pitch 1/5" (5.08 mm), material: aluminium 6082 T6, mounting: pilot bore. Stock level shown above the product price.
Weight
0,062 kg
In Stock
1674
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1674

3,64 €

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Timing belt pulley XL 037 z=24 steel

Timing belt pulley XL 037 z=24 steel

Timing belt pulley XL z=24, width 37 mm, C45 steel. Fits XL belts, pitch 1/5" (5.08 mm). Mounting: pilot bore. Stock level shown above the price.
Timing belt pulley XL z=24, width 37 mm, C45 steel. Fits XL belts, pitch 1/5" (5.08 mm). Mounting: pilot bore. Stock level shown above the price.
Weight
0,162 kg
In Stock
607
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607

3,31 €

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Timing belt pulley XL 037 z=25 steel

Timing belt pulley XL 037 z=25 steel

Timing pulley XL 25 teeth, belt width 37 mm. Pitch 1/5" (5.08 mm), material: C45 steel, mounting: pilot bore. Stock level shown above the product price.
Timing pulley XL 25 teeth, belt width 37 mm. Pitch 1/5" (5.08 mm), material: C45 steel, mounting: pilot bore. Stock level shown above the product price.
Weight
0,17 kg
In Stock
24
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24

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Timing belt pulley XL 037 z=26 aluminium

Timing belt pulley XL 037 z=26 aluminium

XL z=26 - timing belt pulley for XL belt. Pitch 1/5" (5.08 mm), width 37 mm, aluminium 6082 T6. Mounting: pilot bore.
XL z=26 - timing belt pulley for XL belt. Pitch 1/5" (5.08 mm), width 37 mm, aluminium 6082 T6. Mounting: pilot bore.
Weight
0,07 kg
In Stock
515
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515

3,92 €

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Timing belt pulley XL 037 z=26 steel

Timing belt pulley XL 037 z=26 steel

XL z=26 - timing belt pulley for XL belt. Pitch 1/5" (5.08 mm), width 37 mm, C45 steel. Mounting: pilot bore.
XL z=26 - timing belt pulley for XL belt. Pitch 1/5" (5.08 mm), width 37 mm, C45 steel. Mounting: pilot bore.
Weight
0,178 kg
In Stock
132
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132

3,53 €

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Timing belt pulley XL 037 z=27 aluminium

Timing belt pulley XL 037 z=27 aluminium

Pulley XL z=27, pitch 1/5" (5.08 mm), width 37 mm. Material: aluminium 6082 T6. Mounting: pilot bore.
Pulley XL z=27, pitch 1/5" (5.08 mm), width 37 mm. Material: aluminium 6082 T6. Mounting: pilot bore.
Weight
0,076 kg
In Stock
494
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494

4,28 €

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Timing belt pulley XL 037 z=27 steel

Timing belt pulley XL 037 z=27 steel

Pulley XL z=27, pitch 1/5" (5.08 mm), width 37 mm. Material: C45 steel. Mounting: pilot bore.
Pulley XL z=27, pitch 1/5" (5.08 mm), width 37 mm. Material: C45 steel. Mounting: pilot bore.
Weight
0,198 kg
In Stock
73
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73

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Timing belt pulley XL 037 z=28 aluminium

Timing belt pulley XL 037 z=28 aluminium

Timing belt pulley XL z=28, width 37 mm, aluminium 6082 T6. Fits XL belts, pitch 1/5" (5.08 mm). Mounting: pilot bore. Stock level shown above the price.
Timing belt pulley XL z=28, width 37 mm, aluminium 6082 T6. Fits XL belts, pitch 1/5" (5.08 mm). Mounting: pilot bore. Stock level shown above the price.
Weight
0,08 kg
In Stock
152
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152

4,31 €

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Timing belt pulley XL 037 z=28 steel

Timing belt pulley XL 037 z=28 steel

Timing belt pulley XL z=28, width 37 mm, C45 steel. Fits XL belts, pitch 1/5" (5.08 mm). Mounting: pilot bore. Stock level shown above the price.
Timing belt pulley XL z=28, width 37 mm, C45 steel. Fits XL belts, pitch 1/5" (5.08 mm). Mounting: pilot bore. Stock level shown above the price.
Weight
0,214 kg
In Stock
96
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96

3,78 €

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Timing belt pulley XL 037 z=29 aluminium

Timing belt pulley XL 037 z=29 aluminium

Timing pulley XL 29 teeth, belt width 37 mm. Pitch 1/5" (5.08 mm), material: aluminium 6082 T6, mounting: pilot bore. Stock level shown above the product price.
Timing pulley XL 29 teeth, belt width 37 mm. Pitch 1/5" (5.08 mm), material: aluminium 6082 T6, mounting: pilot bore. Stock level shown above the product price.
Weight
0,086 kg
In Stock
163
In Stock:
163

4,37 €

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Timing belt pulley XL 037 z=29 steel

Timing belt pulley XL 037 z=29 steel

Timing pulley XL 29 teeth, belt width 37 mm. Pitch 1/5" (5.08 mm), material: C45 steel, mounting: pilot bore. Stock level shown above the product price.
Timing pulley XL 29 teeth, belt width 37 mm. Pitch 1/5" (5.08 mm), material: C45 steel, mounting: pilot bore. Stock level shown above the product price.
Weight
0,224 kg
In Stock
29
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29

3,84 €

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Timing belt pulley XL 037 z=30 aluminium

Timing belt pulley XL 037 z=30 aluminium

XL z=30 - timing belt pulley for XL belt. Pitch 1/5" (5.08 mm), width 37 mm, aluminium 6082 T6. Mounting: pilot bore.
XL z=30 - timing belt pulley for XL belt. Pitch 1/5" (5.08 mm), width 37 mm, aluminium 6082 T6. Mounting: pilot bore.
Weight
0,094 kg
In Stock
1336
In Stock:
1336

4,37 €

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Timing belt pulley XL 037 z=30 steel

Timing belt pulley XL 037 z=30 steel

XL z=30 - timing belt pulley for XL belt. Pitch 1/5" (5.08 mm), width 37 mm, C45 steel. Mounting: pilot bore.
XL z=30 - timing belt pulley for XL belt. Pitch 1/5" (5.08 mm), width 37 mm, C45 steel. Mounting: pilot bore.
Weight
0,252 kg
In Stock
156
In Stock:
156

3,89 €

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