Belt type BX cogged V-belts
17mm wide · 11mm deep · Raw-edge cogged · Multiple leading brands
BX belts are the cogged version of B section, with notches moulded into the underside so they bend easily
round small pulleys, run cooler and grip better. They’re used on larger motors, compressors, pumps,
fans and air handling units, machine tools, and agricultural and construction machinery, and are a straight
upgrade on a smooth B belt. We stock BX belts from several leading manufacturers. Search by the code on the
old belt, such as BX54, and use the filters to narrow it down by length or brand.
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OptibeltOur premier brand, for long life on demanding drives
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MegadyneHigh-quality Italian belts for industrial drives
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BandoJapanese quality for industrial and agricultural use
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GatesOne of the world’s best-known belt makers
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PIXGood-value belts for general-purpose drives
Finding the right BX belt
Reading the codeBX54 means a BX cogged belt with a 54 inch inside length (1372mm). Metric sizes may show the inside length (Li) or the datum length (Ld), which is 40mm longer, so check which your belt uses.
Upgrading from B?A BX belt runs in the same pulleys as a smooth B belt of the same length, so a BX54 can usually replace a B54 directly. Every belt here fits standard B section pulleys.
BX or XPB?A BX belt is 17mm wide and 11mm deep. An XPB cogged wedge belt looks similar but is deeper, at 13mm, and runs in SPB pulleys, so measure the depth to be sure.
Tip: on drives with two or more belts, replace them all at once with a matched set of the same brand, and don't mix smooth and cogged belts on the same drive.
