Spec

• Module: m2
• number of teeth : 70
• Shape: S1K
• Reference diameter (mm): 140
• Tooth width (mm): 16
• Hole Diameter (mm): 28
• Tip Diameter: 144
• Total length ( mm ) : 29
• Boss Diameter (mm): 70
• Boss Length: 13
• Tap: M6
• Key Groove: 8 x 3.3
• screw Hole Position : 6.5
• Gear Precision: JIS B 1702 -1 N6 Grade Equivalent
• Tooth surface hardness: 50 to 60 HRC
• Tooth profile: Normal teeth
• Surface Treatment: Black Dye except for Grinding Part (The additional processing part is not dyed black again.)
• Pressure Angle: 20 deg.
• tooth surface finish: grinding
• gear reference plane: holes (H7)
• Heat treatment: temper, tooth surface induction hardening
• Helix Angle: 21 ° 30 ′
• material/Finishing : SCM 440
• As this product is a contract processed product, the manufacture will be completed in 3 days after the order.
• (Distribution is not included.)
• This product cannot be cancelled because it will be processed immediately after ordering.
• Country of origin: Japan
• Product Code: 161 -8175
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