pilot bore series, steel type

Features

Catalogs and Instruction Manuals

Model number display example

  • 1. Select the sprocket shape type from the table below.
  • Structure Specification Code
    Integrated type No symbol
    Two-piece unit (C-split type) TS
    Tooth Block Replacement Teeth BK
    Ring replacement teeth (D-split type) RK
  • 2. The material combinations are as shown in the table below.
  • *If the tooth material is SCS2 or FCD600, the tooth tip is hardened.
    Structure Material
    Hub and arm parts Casting structure SCS2、FCD600、SCS13
    Welded structure SS400 + S25C (hub and arm)
    Teeth Integrated type/TS (C-split type) SCS2 or FCD600
    RK (D-split type) Choose between SCS2 or resin.
    BK (tooth block replacement teeth) SCS2
  • 3. If the distribution of hub length is different on the left and right, please specify each dimension.
  • 4. Painting specifications will vary depending on the government agency you specify, so please be sure to refer to the customer's specifications before providing instructions.
    Our standard specifications for pilot bore are coated with zinc-rich primer once, while finished holes are coated with zinc-rich primer once and epoxy resin twice.
    Resin, SCS13, and stainless steel 300 series are unpainted. All are coated with pre-vin oil on the shaft bore and hub end face.
  • 5. Please provide drawings or other information to clarify the specifications.

Product List

  • [Product Precautions]
  • - When ordering, please specify the drive shaft diameter, key dimensions, sleeve outer diameter dimensions of the driven shaft, and hub dimensions.
    ・The standard number of teeth is listed, but we can also manufacture gears with other numbers of teeth than those listed above. Please contact us separately.
    - If the chain roller material is stainless steel 300 series or resin, the sprocket will be a special specification.
    ・For Square hub assembly, please specify the finishing hole. The maximum shaft diameter for the finishing hole is 160 mm.
    ・    The dimensions shown are for reference only and are not standard product dimensions. When requesting a quote, please specify the dimensions and number of teeth for each item, or attach a drawing.
    ・The dimensions listed are nominal dimensions and may differ from the actual dimensions.
    - Only C type is available for tooth counts of 25 or less.
Integrated type Ring replacement teeth (D-split type)