Industrial replacement referenceSource-backed records · No compatibility guesswork

Gates PowerGrip · Series 9257 · PDF 91

166XL037

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

Product no.9257-1385PitchXL · 0.2"Width3/8"Teeth83Pitch length16.6"Official source ↗

Published catalog evidence

Exact manufacturer record

Catalog 19993
Part number
166XL037
Gates product number
9257-1385
Pitch family
XL
Pitch
0.2"
Width
3/8" (0.375" nominal)
Teeth
83
Pitch length
16.6"
Catalog weight
0.02 lb
Published row
166XL037 9257-1385 83 16.60 .020 370XL037 9257-1329 185 37.00 .041

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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