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40B21 Boston Gear Mechanical Components

Boston Gear 40B21 Roller Chain Sprocket; 40 Chain; 21 Teeth; 1 Row of Teeth; No Hardened Teeth; 3.618" Outside Diameter; 3.355" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Part#:40B21

Manufacturer:Boston Gear

Product Lifecycle:Active

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Roller Chain Sprocket; 40 Chain; 21 Teeth; 1 Row of Teeth; No Hardened Teeth; 3.618" Outside Diameter; 3.355" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Check out the 40B21 Boston Gear price in the box on the right side or send a quick quote.

Product Details

  • Chain Pitch
    0.5 Inch | 12.7 Millimeter
  • Pitch Diameter
    3.355 Inch | 85.21 Millimeter
  • Bore
    0 Inch | 0 Millimeter
  • Outside Diameter
    3.618 Inch | 91.897 Millimeter
  • Material
    Steel
  • Keyway Yes/No
    No
  • Minimum Plain Bore
    Yes
  • Inch - Metric
    Inch
  • Weight / LBS
    0.999
  • Chain Type
    ANSI Roller Chain
  • Hardened Teeth
    No
  • UNSPSC
    31171901
  • Number of Teeth
    21
  • Bushing Size if bushed
    No Bushing
  • Chain Size
    40
  • Minimum Buy Quantity
    N/A
  • Hub Type
    B-Hub One Side
  • Number of Rows of Teeth
    1
  • Weight / Kilogram
    0.998
  • Mounting Method
    Rough Bore
  • Brand
    BOSTON GEAR

Product condition

ORIGINAL PACKAGING

SURPLUS ORIGINAL PACKAGING - 100% unused and in original packaging


1-year warranty

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Boston Gear Disclaimer:

The product is unused surplus. Quotebeam is not an authorized surplus dealer or affiliate for the Manufacturer of this product. Products may feature older date codes or be from an earlier series than what is currently available from the manufacturer or authorized dealers. Because Quotebeam is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Boston Gear Controls products will have firmware already installed, Quotebeam makes no representation as to whether a Controls product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Quotebeam also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Boston Gear, its distributors, or any other source. Quotebeam also makes no representations as to your right to install any such firmware on the product. Quotebeam will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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