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home > BlackStar 40BS57 7/8 K2S - 40 Pitch Finished Bore Sprocket - 57 Tooth - 7/8" Bore > BlackStar 40BS57 7/8 K2S - 40 Pitch Finished Bore Sprocket - 57 Tooth - 7/8" Bore
BlackStar 40BS57 7/8 K2S - 40 Pitch Finished Bore Sprocket - 57 Tooth - 7/8
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BlackStar 40BS57 7/8 K2S - 40 Pitch Finished Bore Sprocket - 57 Tooth - 7/8
BlackStar 40BS57 7/8 K2S - 40 Pitch Finished Bore Sprocket - 57 Tooth - 7/8
BlackStar 40BS57 7/8 K2S - 40 Pitch Finished Bore Sprocket - 57 Tooth - 7/8
BlackStar 40BS57 7/8 K2S - 40 Pitch Finished Bore Sprocket - 57 Tooth - 7/8
BlackStar 40BS57 7/8 K2S - 40 Pitch Finished Bore Sprocket - 57 Tooth - 7/8
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BlackStar 40BS57 7/8 K2S - 40 Pitch Finished Bore Sprocket - 57 Tooth - 7/8" BoreThe BlackStar 40BS57 7 8 K2S is a 40 pitch Finished Bore roller chain sprocket with 57 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 7 8" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 40BS57 7 8 K2S Chain Pitch 40 Number of Teeth 57 Bore Size 7 8" Minimum Bore 5 8" Maximum Bore 1 1 2" Bore Type
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The BlackStar 40BS57 7/8 K2S is a 40 pitch Finished Bore roller chain sprocket with 57 teeth, precision manufactured from SAE 1045 steel and features machine-cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 7/8" bore with keyway and set screws and is ready for immediate installation.

Specifications
Part Number 40BS57 7/8 K2S
Chain Pitch 40
Number of Teeth 57
Bore Size 7/8"
Minimum Bore 5/8"
Maximum Bore 1-1/2"
Bore Type Finished Bore (Keyway + Set Screws)
Hub Style Finished Bore
Strand Count Single
Material Steel
Outside Diameter 9.36"
Pitch Diameter 9.077"
Approx. Weight 6.94 lbs
BlackStar 40BS57 7/8 K2S Sprocket Spec Sheet

Cross-references: Browning H40B57, Martin 40BS57, Boston Gear RS40B57

BlackStar 40BS57 7/8 K2S - 40 Pitch Finished Bore Sprocket - 57 Tooth - 7/8" Bore

Item no : 38064088194
sold recently : Login >>
US$ 60.75
Pay in 4 interest-free payments of $15.19 Learn more
Min. order: 1piece

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jun 20 - Jun 25

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US$ 60.75

1-11

US$ 54.68

12-35

US$ 42.52

36-59

US$ 36.45

60+

US$40

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Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy

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