KHK Screw Gear SN3-30RJ20 SN3-30RJ20 1 piece

Catalog number: SN3-30RJ20 Features: ●The meshing ratio is larger than that of SS spur gears, making it effective in reducing noise and vibration. Applications: ●Power transmission gears. Specifications: ●Module: 3 ●Number of teeth: 30 ●Shape: S1K ●Reference circle diameter (mm): 127.279 ●Tooth width (mm): 25 ●Hole diameter (mm): 20 ●Tooth tip circle diameter: 133.279 ●Total length (mm): 43 ●Boss diameter (mm): 90 ●Boss length (mm): 18 ●Tap: M5 ●Key groove: 6 x 2.8 ●Screw hole position: 9 ●Gear precision: JIS B1702-1N9 grade equivalent ●Tooth surface hardness ●Tooth shape: Straight teeth ●Surface treatment: Blackening (additional processing parts are not re-blackened) ●Pressure angle: 20° ●Tooth surface finish: Cutting ●Gear reference surface: Hole (H7) ●Heat treatment: None ●Twist angle: 45° Material/Finish: ●S45C Note: ●This product is a contracted product, so the manufacturer will complete it within 3 days after ordering. (Logistics is not included) ●This product cannot be canceled because it will be processed immediately after ordering. ●This is a single item sold, not a set.