Attributes

Key Value
Country of Origin (subj.Japan
Face Width30 mm
FinishBlack Oxide
Gear Material & FinishBlack Oxide Coated Carb.
Gear ShapeT1
Inside Diameter174 mm
ItemInternal Ring Gear
Material GradeS45C
Maximum Teeth Hardness194 HB
Metric Module Pitch3
Outside Diameter250 mm
Pitch Diameter180 mm
Precision ClassJIS N8 (JIS B1702-1:199.
Precision GradeJIS Grade N8
Pressure Angle20 Degrees
System of MeasurementMetric
Tooth Finish TypeCut Teeth
Tooth Hardness194 HB
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