Industrial replacement referenceSource-backed records · No compatibility guesswork

Gates PowerGrip · Series 9257 · PDF 88

57MXL025

Exact Gates timing-belt identity with manufacturer product number and published tooth, pitch-length, width, and weight data.

Product no.9257-0339PitchMXL · 0.08"Width1/4"Teeth71Pitch length5.68"Official source ↗

Published catalog evidence

Exact manufacturer record

Catalog 19993
Part number
57MXL025
Gates product number
9257-0339
Pitch family
MXL
Pitch
0.08"
Width
1/4" (0.25" nominal)
Teeth
71
Pitch length
5.68"
Catalog weight
0.003 lb
Published row
57MXL025 9257-0339 71 5.68 .003 80MXL025 9257-0307 100 8.00 .004

Verification boundary

What still needs to match

Do not infer interchange
Tooth geometryConfirm pitch family, tooth profile, tooth count, and pitch length.
Belt widthVerify belt and pulley width plus flange/clearance requirements.
Drive geometryConfirm mating sprocket profile, center distance, wrap, tensioning, and alignment.
DutyCheck torque/power, speed, temperature, environment, guarding, and current Gates limits.

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Same pitch and width

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