• From old stock. Had some rust and staining and I cleaned it up a bit. Has never been on a machine.Buyer will receive the sprocket shown.
    • 40 Chain Number
    • 1 Strand
    • 21 Teeth
    • Without Hardened Teeth
    • B Sprocket Style

    DESCRIPTION

    • Maximum bores shown will accommodate standard keyseat and setscrew over keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at an angle to keyseat.

    FEATURES

    • Tolerances meet or exceed ANSI standards
    • Manufactured of high carbon steel
    • Precise machining and processes ensure consistent finish and high quality
    • Bores are concentric to pitch line, minimizing run out

    SPECIFICATIONS

    CHAIN PITCH 1/2 in
    HUB DIA. 2 3/4 in
    WIDTH ACROSS TEETH 0.28 in
    INCH/METRIC Inch
    HARDENED TEETH Without Hardened Teeth
    OUTSIDE DIA. [MIN] 3.6200 in
    NO. OF TEETH 21
    CHAIN NO. 40
    OUTSIDE DIA. 3.6200 in
    NO. OF STRANDS ACROSS 1
    MATERIAL Steel
    CALIPER DIAMETER 3.03 in
    MARTIN NO. 40B21
    KEYWAY No Keyway or Setscrew
    HUB LENGTH THRU 0.716 in
    BORE RANGE [MAX] 1.8800 in
    PITCH DIAMETER [MIN] 3.350 in
    SERIES B
    SPROCKET STYLE B
    BORE RANGE [MIN] 5/8 in
    BORE TYPE Reborable
    CONSTRUCTION Solid
    LENGTH THROUGH BORE 1 in
    BORE STYLE Minimum Bore
    PITCH DIAMETER 3.350 in
    WEIGHT 1.73 LB
    EAN OR UPC 697950005096