Industrial replacement referenceSource-backed records · No compatibility guesswork

Gates PowerGrip · Series 9257 · PDF 90

166XL025

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

Product no.9257-1185PitchXL · 0.2"Width1/4"Teeth83Pitch length16.6"Official source ↗

Published catalog evidence

Exact manufacturer record

Catalog 19993
Part number
166XL025
Gates product number
9257-1185
Pitch family
XL
Pitch
0.2"
Width
1/4" (0.25" nominal)
Teeth
83
Pitch length
16.6"
Catalog weight
0.014 lb
Published row
166XL025 9257-1185 83 16.60 .014 300XL025 9257-1124 150 30.00 .025

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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