Collection: Sprockets - Roller Chain - Simplex - 40-1A - With Boss

2 Products in this selection
  • Match with 12.70x7.85mm simplex chain (40-1 ASA)
  • Pilot bored sprockets come with a very small bore that will need to be machined by the customer to suit their shaft size.
  • American Standard 40-1 - 1/2 inch. With and without hubs.
Additional resources:
A more concise listing may be found on the Smallparts store at Sprockets - Roller Chain - Simplex - 40-1A - With Boss. Smallparts promote the most popular MBA products.
Teeth PCD Hub Diameter (D1) Overall Width (E) Type / Rows Indicative
Image
Teeth
20
PCD
80.81
mm

(3.181 in.)
Hub Diameter (D1)
66.68
mm

(2.625 in.)
Overall Width (E)
25.40
mm
Type / Rows
Single Row
Roller Chain Sprockets - 20 tooth - 80.81x66.68 mm - Carbon Steel
Material: Carbon Steel    Bore (d): 15.875    Locking Method: No Locking   
Part Number: SP1-127-079B-020-159-C Roller Chain Sprockets - 20 tooth - 80.81x66.68 mm - Carbon Steel
2 Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Each
Teeth PCD Hub Diameter (D1) Overall Width (E) Indicative
Image
Teeth
20
PCD
80.81
mm

(3.181 in.)
Hub Diameter (D1)
66.68
mm

(2.625 in.)
Overall Width (E)
25.40
mm
Roller Chain Sprockets - 20 tooth - 80.81x66.68 mm - Carbon Steel
Material: Carbon Steel    Type / Rows: Single Row    Bore (d): 15.875    Locking Method: No Locking   
Part Number: SP1-127-079B-020-159-C Roller Chain Sprockets - 20 tooth - 80.81x66.68 mm - Carbon Steel
2 Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Each
Teeth
48
PCD
193.95
mm

(7.636 in.)
Hub Diameter (D1)
88.90
mm

(3.5 in.)
Overall Width (E)
28.58
mm
Type / Rows
Single Row
Roller Chain Sprockets - 48 tooth - 193.95x88.9 mm - Carbon Steel
Material: Carbon Steel    Bore (d): 19.05    Locking Method: No Locking   
Part Number: SP1-127-079B-048-191-C Roller Chain Sprockets - 48 tooth - 193.95x88.9 mm - Carbon Steel
1 Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $25.00 AUD
Regular price $47.50 AUD Sale price $25.00 AUD
Each
Teeth
48
PCD
193.95
mm

(7.636 in.)
Hub Diameter (D1)
88.90
mm

(3.5 in.)
Overall Width (E)
28.58
mm
Roller Chain Sprockets - 48 tooth - 193.95x88.9 mm - Carbon Steel
Material: Carbon Steel    Type / Rows: Single Row    Bore (d): 19.05    Locking Method: No Locking   
Part Number: SP1-127-079B-048-191-C Roller Chain Sprockets - 48 tooth - 193.95x88.9 mm - Carbon Steel
1 Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $25.00 AUD
Regular price $47.50 AUD Sale price $25.00 AUD
Each