Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Plain Bore

Sprockets -> Roller Chain -> Simplex -> 25-1A -> With Boss -> Plain Bore

There are 7 products in the sub-categories of Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Plain Bore. Browse the Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Plain Bore products table.

Category Details

A selection of Plain Bore With Boss 25-1A Simplex Roller Chain Sprockets. 25-1 ASA 1/4 Inch. With unfinished bore.

  • This category will be discontinued when the remaining items are sold.
  • All items are priced to quit.
  • Backorders or orders for previously listed items in the category may still be possible - please enquire.
  • Match with 6.35mm simplex chain
  • American Standard 25-1 - 1/4 inch

Miniature Bearings Australia - MBA Minibearings

Additional resources:


A more concise listing may be found in the Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Plain Bore category on the Small Parts & Bearings online store.
Number of Teeth PCD Hub Diameter (D1) Overall Width (E) Standard Number Type / Rows Indicative
Image
Number of Teeth
8

PCD
16.16
mm

(Equiv. 0.636 in.)
Hub Diameter (D1)
10.00
mm

(Equiv. 0.394 in.)
Overall Width (E)
12.80
mm
Standard Number
25-1A
Type / Rows
Type 3s
Roller Chain Sprockets - 8 tooth - 16.16x10 mm - Carbon Steel
Material: Carbon Steel    Approx Pilot Bore (d): 6.000    Locking Method: Set Screw   
Part Number: SP1-064-028B-008-060-C
Roller Chain Sprockets - 8 tooth - 16.16x10 mm Simplex - Carbon Steel Sprocket
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$14.00 AUD
$26.60 AUD $14.00 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Number of Teeth PCD Hub Diameter (D1) Overall Width (E) Indicative
Image
Number of Teeth
8

PCD
16.16
mm

(Equiv. 0.636 in.)
Hub Diameter (D1)
10.00
mm

(Equiv. 0.394 in.)
Overall Width (E)
12.80
mm
Roller Chain Sprockets - 8 tooth - 16.16x10 mm - Carbon Steel
Material: Carbon Steel    Standard Number: 25-1A    Type / Rows: Type 3s    Approx Pilot Bore (d): 6.000    Locking Method: Set Screw   
Part Number: SP1-064-028B-008-060-C
Roller Chain Sprockets - 8 tooth - 16.16x10 mm Simplex - Carbon Steel Sprocket
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$14.00 AUD
$26.60 AUD $14.00 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Number of Teeth
9

PCD
18.18
mm

(Equiv. 0.716 in.)
Hub Diameter (D1)
11.13
mm

(Equiv. 0.438 in.)
Overall Width (E)
12.70
mm
Standard Number
25-1A
Type / Rows
Type 3
Roller Chain Sprockets - 9 tooth - 18.18x11.13 mm - Carbon Steel
Material: Carbon Steel    Approx Pilot Bore (d): 6.350    Locking Method: No Locking   
Part Number: SP1-064-028B-009-064-C
Roller Chain Sprockets - 9 tooth - 18.18x11.13 mm Simplex - Carbon Steel Sprocket
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$4.00 AUD
$7.60 AUD $4.00 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Number of Teeth
9

PCD
18.18
mm

(Equiv. 0.716 in.)
Hub Diameter (D1)
11.13
mm

(Equiv. 0.438 in.)
Overall Width (E)
12.70
mm
Roller Chain Sprockets - 9 tooth - 18.18x11.13 mm - Carbon Steel
Material: Carbon Steel    Standard Number: 25-1A    Type / Rows: Type 3    Approx Pilot Bore (d): 6.350    Locking Method: No Locking   
Part Number: SP1-064-028B-009-064-C
Roller Chain Sprockets - 9 tooth - 18.18x11.13 mm Simplex - Carbon Steel Sprocket
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$4.00 AUD
$7.60 AUD $4.00 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Number of Teeth
12

PCD
24.25
mm

(Equiv. 0.955 in.)
Hub Diameter (D1)
16.66
mm

(Equiv. 0.656 in.)
Overall Width (E)
12.70
mm
Standard Number
25-1A
Type / Rows
Type 3
Roller Chain Sprockets - 12 tooth - 24.25x16.66 mm - Carbon Steel
Material: Carbon Steel    Approx Pilot Bore (d): 6.350    Locking Method: No Locking   
Part Number: SP1-064-028B-012-064-C
Roller Chain Sprockets - 12 tooth - 24.25x16.66 mm Simplex - Carbon Steel Sprocket
3 Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

3 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Number of Teeth
12

PCD
24.25
mm

(Equiv. 0.955 in.)
Hub Diameter (D1)
16.66
mm

(Equiv. 0.656 in.)
Overall Width (E)
12.70
mm
Roller Chain Sprockets - 12 tooth - 24.25x16.66 mm - Carbon Steel
Material: Carbon Steel    Standard Number: 25-1A    Type / Rows: Type 3    Approx Pilot Bore (d): 6.350    Locking Method: No Locking   
Part Number: SP1-064-028B-012-064-C
Roller Chain Sprockets - 12 tooth - 24.25x16.66 mm Simplex - Carbon Steel Sprocket
3 Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

3 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Number of Teeth
15

PCD
30.31
mm

(Equiv. 1.193 in.)
Hub Diameter (D1)
22.23
mm

(Equiv. 0.875 in.)
Overall Width (E)
12.70
mm
Standard Number
25-1A
Type / Rows
Type 3
Roller Chain Sprockets - 15 tooth - 30.31x22.23 mm - Carbon Steel
Material: Carbon Steel    Approx Pilot Bore (d): 6.350    Locking Method: No Locking   
Part Number: SP1-064-028B-015-064-C
Roller Chain Sprockets - 15 tooth - 30.31x22.23 mm Simplex - Carbon Steel Sprocket
5 Available Now | Item Discontinued - Up to 5 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

5 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Number of Teeth
15

PCD
30.31
mm

(Equiv. 1.193 in.)
Hub Diameter (D1)
22.23
mm

(Equiv. 0.875 in.)
Overall Width (E)
12.70
mm
Roller Chain Sprockets - 15 tooth - 30.31x22.23 mm - Carbon Steel
Material: Carbon Steel    Standard Number: 25-1A    Type / Rows: Type 3    Approx Pilot Bore (d): 6.350    Locking Method: No Locking   
Part Number: SP1-064-028B-015-064-C
Roller Chain Sprockets - 15 tooth - 30.31x22.23 mm Simplex - Carbon Steel Sprocket
5 Available Now | Item Discontinued - Up to 5 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

5 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Number of Teeth
20

PCD
40.41
mm

(Equiv. 1.591 in.)
Hub Diameter (D1)
32.54
mm

(Equiv. 1.281 in.)
Overall Width (E)
15.88
mm
Standard Number
25-1A
Type / Rows
Type 3
Roller Chain Sprockets - 20 tooth - 40.41x32.54 mm - Carbon Steel
Material: Carbon Steel    Approx Pilot Bore (d): 6.350    Locking Method: No Locking   
Part Number: SP1-064-028B-020-064-C
Roller Chain Sprockets - 20 tooth - 40.41x32.54 mm Simplex - Carbon Steel Sprocket
3 Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

3 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Number of Teeth
20

PCD
40.41
mm

(Equiv. 1.591 in.)
Hub Diameter (D1)
32.54
mm

(Equiv. 1.281 in.)
Overall Width (E)
15.88
mm
Roller Chain Sprockets - 20 tooth - 40.41x32.54 mm - Carbon Steel
Material: Carbon Steel    Standard Number: 25-1A    Type / Rows: Type 3    Approx Pilot Bore (d): 6.350    Locking Method: No Locking   
Part Number: SP1-064-028B-020-064-C
Roller Chain Sprockets - 20 tooth - 40.41x32.54 mm Simplex - Carbon Steel Sprocket
3 Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

3 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Number of Teeth
22

PCD
44.45
mm

(Equiv. 1.75 in.)
Hub Diameter (D1)
30.00
mm

(Equiv. 1.181 in.)
Overall Width (E)
14.00
mm
Standard Number
25-1A
Type / Rows
Type 3
Roller Chain Sprockets - 22 tooth - 44.45x30 mm - Carbon Steel
Material: Carbon Steel    Approx Pilot Bore (d): Approx 8.000    Locking Method: No Locking   
Part Number: SP1-064-028B-022-PB-C
Roller Chain Sprockets - 22 tooth - 44.45x30 mm Simplex - Carbon Steel Sprocket
4 Available Now | Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

4 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Number of Teeth
22

PCD
44.45
mm

(Equiv. 1.75 in.)
Hub Diameter (D1)
30.00
mm

(Equiv. 1.181 in.)
Overall Width (E)
14.00
mm
Roller Chain Sprockets - 22 tooth - 44.45x30 mm - Carbon Steel
Material: Carbon Steel    Standard Number: 25-1A    Type / Rows: Type 3    Approx Pilot Bore (d): Approx 8.000    Locking Method: No Locking   
Part Number: SP1-064-028B-022-PB-C
Roller Chain Sprockets - 22 tooth - 44.45x30 mm Simplex - Carbon Steel Sprocket
4 Available Now | Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

4 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Number of Teeth
36

PCD
72.74
mm

(Equiv. 2.864 in.)
Hub Diameter (D1)
38.10
mm

(Equiv. 1.5 in.)
Overall Width (E)
15.88
mm
Standard Number
25-1A
Type / Rows
Type 3
Roller Chain Sprockets - 36 tooth - 72.74x38.1 mm - Carbon Steel
Material: Carbon Steel    Approx Pilot Bore (d): 9.525    Locking Method: No Locking   
Part Number: SP1-064-028B-036-095-C
Roller Chain Sprockets - 36 tooth - 72.74x38.1 mm Simplex - Carbon Steel Sprocket
3 Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

3 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Number of Teeth
36

PCD
72.74
mm

(Equiv. 2.864 in.)
Hub Diameter (D1)
38.10
mm

(Equiv. 1.5 in.)
Overall Width (E)
15.88
mm
Roller Chain Sprockets - 36 tooth - 72.74x38.1 mm - Carbon Steel
Material: Carbon Steel    Standard Number: 25-1A    Type / Rows: Type 3    Approx Pilot Bore (d): 9.525    Locking Method: No Locking   
Part Number: SP1-064-028B-036-095-C
Roller Chain Sprockets - 36 tooth - 72.74x38.1 mm Simplex - Carbon Steel Sprocket
3 Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Excludes GST and overseas Taxes & Duties
Each
Quantity Required

3 Available Now. These are priced to quit. Please contact us for a quote if you require more.