{"product_id":"ｋｈｋ-平歯車ｓｓａ４-２８-ssa4-28-1-個","title":"KHK Spur Gear SSA4-28 SSA4-28 1 pc","description":"Catalog number: SSA4-28 Features: ● A flat-shaped spur gear with the boss cut off to reduce weight. Applications: ● Power transmission gears. Specifications: ● Module: 4 ● Number of teeth: 28 ● Shape: S5 ● Reference circle diameter (mm): φ112 ● Tooth width (mm): 40 ● Hole diameter (mm): φ25 ● Total length (mm): 40 ● Tooth tip circle diameter (mm): φ120 ● Gear precision: JIS B1702-1N8 grade ● Tooth shape: Straight teeth ● Pressure angle: 20° ● Heat treatment: None ● Tooth surface hardness: (194HB or less) ● Surface treatment: Blackening ● Tooth surface finish: Cutting ● Gear cutting reference surface: Hole (H7) ● Twist angle: - ● Additional processing 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":49716484997419,"sku":"856-5531","price":8201.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/4980\/4331\/files\/8565531.jpg?v=1728925567","url":"https:\/\/kaigoro.com\/en\/products\/%ef%bd%8b%ef%bd%88%ef%bd%8b-%e5%b9%b3%e6%ad%af%e8%bb%8a%ef%bd%93%ef%bd%93%ef%bd%81%ef%bc%94-%ef%bc%92%ef%bc%98-ssa4-28-1-%e5%80%8b","provider":"カイゴロウ","version":"1.0","type":"link"}