Industrial replacement referenceSource-backed records · No compatibility guesswork

Gates PowerGrip · Series 9257 · PDF 90

506XL025

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

Product no.9257-8138PitchXL · 0.2"Width1/4"Teeth253Pitch length50.6"Official source ↗

Published catalog evidence

Exact manufacturer record

Catalog 19993
Part number
506XL025
Gates product number
9257-8138
Pitch family
XL
Pitch
0.2"
Width
1/4" (0.25" nominal)
Teeth
253
Pitch length
50.6"
Catalog weight
0.04 lb
Published row
244XL025 9257-8109 122 24.40 .020 506XL025 9257-8138 253 50.60 .040

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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