Gates PowerGrip · Series 9257 · PDF 91
258XL037
Exact Gates timing-belt identity with manufacturer product number and published tooth, pitch-length, width, and weight data.
Published catalog evidence
Exact manufacturer record
- Part number
- 258XL037
- Gates product number
- 9257-8312
- Pitch family
- XL
- Pitch
- 0.2"
- Width
- 3/8" (0.375" nominal)
- Teeth
- 129
- Pitch length
- 25.8"
- Catalog weight
- 0.03 lb
- Published row
- 116XL037 9257-1366 58 11.60 .015 258XL037 9257-8312 129 25.80 .030
Verification boundary
What still needs to match
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.
Related catalog belts
Same pitch and width
XL · 3/8" · 130 teeth260XL03726" pitch length · 9257-1320XL · 3/8" · 131 teeth262XL03726.2" pitch length · 9257-8313XL · 3/8" · 127 teeth254XL03725.4" pitch length · 9257-8311XL · 3/8" · 132 teeth264XL03726.4" pitch length · 9257-8314XL · 3/8" · 125 teeth250XL03725" pitch length · 9257-1319XL · 3/8" · 133 teeth266XL03726.6" pitch length · 9257-8315XL · 3/8" · 134 teeth268XL03726.8" pitch length · 9257-8316XL · 3/8" · 123 teeth246XL03724.6" pitch length · 9257-8310