{"product_id":"ｋｈｋ-ねじ歯車ｓｎ４-３０ｒ-sn4-30r-1-個","title":"KHK Screw Gear SN4-30R SN4-30R 1 piece","description":"Catalogue number: SN4-30R Features: ●A popular type of screw gear. ●The tooth surface can be hardened by induction hardening. Applications: ●Power transmission gears. Specifications: ●Module: 4 ●Number of teeth: 30 ●Reference circle diameter (mm): φ169.71 ●Tooth width (mm): 30 ●Hole diameter (mm): φ20 ●Total length (mm): 50 ●Twist direction: R ●Shape: S1 ●Boss diameter (mm): φ110 ●Tooth tip circle diameter (mm): φ177.706 ●Boss length (mm): 20 ●Gear precision: JIS B1702-1: 1998: Grade 9 ●Tooth shape: Straight teeth ●Pressure angle: 20° ●Heat treatment: None ●Surface treatment: Blackening ●Tooth surface finish: Cutting ●Gear reference surface: Hole (H7) ●Twist angle: 45° ●Additional machining possible: Yes Material\/Finish: ●S45C Note: ●This is a single item, not a set.","brand":"小原歯車工業（株）","offers":[{"title":"Default Title","offer_id":49713826529579,"sku":"856-4854","price":21744.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/4980\/4331\/files\/8564854.jpg?v=1728887733","url":"https:\/\/kaigoro.com\/en\/products\/%ef%bd%8b%ef%bd%88%ef%bd%8b-%e3%81%ad%e3%81%98%e6%ad%af%e8%bb%8a%ef%bd%93%ef%bd%8e%ef%bc%94-%ef%bc%93%ef%bc%90%ef%bd%92-sn4-30r-1-%e5%80%8b","provider":"カイゴロウ","version":"1.0","type":"link"}