Collection: Sprockets - Roller Chain - Simplex - 25-1A - With Boss
Sprockets -> Roller Chain -> Simplex -> 25-1A -> With BossThere are 11 products in the sub-categories of Sprockets - Roller Chain - Simplex - 25-1A - With Boss. Browse the Sprockets - Roller Chain - Simplex - 25-1A - With Boss products table. To narrow down the selection, please choose a sub-category from the links below.

Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Finished Bore
A selection of Finished Bore With Boss 25-1A Simplex Roller Chain Sprockets....

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

Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Plastic
A selection of Plastic With Boss 25-1A Simplex Roller Chain Sprockets. Nylon...
Category Details
This category includes various types of roller chain sprockets.
- 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.
Miniature Bearings Australia - MBA Minibearings
Additional resources:
A more concise listing may be found in the Sprockets - Roller Chain - Simplex - 25-1A - With Boss 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
|
![]() |
Material: Carbon Steel
Approx Pilot Bore (d): 6.000
Locking Method: Set Screw
Category: Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Plain Bore |
||||||
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 Regular price
$14.00 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||||
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 |
![]() |
||
Material: Carbon Steel
Standard Number: 25-1A
Type / Rows: Type 3s
Approx Pilot Bore (d): 6.000
Locking Method: Set Screw
Category: Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Plain Bore |
||||||
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 Regular price
$14.00 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||||
|
||||||
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
|
![]() |
Material: Carbon Steel
Approx Pilot Bore (d): 6.350
Locking Method: No Locking
Category: Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Plain Bore |
||||||
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 Regular price
$4.00 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||||
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 |
![]() |
||
Material: Carbon Steel
Standard Number: 25-1A
Type / Rows: Type 3
Approx Pilot Bore (d): 6.350
Locking Method: No Locking
Category: Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Plain Bore |
||||||
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 Regular price
$4.00 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||||
|
||||||
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 3s
|
![]() |
Material: Carbon Steel
Approx Pilot Bore (d): 6.350
Locking Method: 2 Set Screws 8-32 at 90 Deg
Category: Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Finished Bore |
||||||
Part Number: SP1-064-028B-009-064F-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 Regular price
$6.45 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||||
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 |
![]() |
||
Material: Carbon Steel
Standard Number: 25-1A
Type / Rows: Type 3s
Approx Pilot Bore (d): 6.350
Locking Method: 2 Set Screws 8-32 at 90 Deg
Category: Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Finished Bore |
||||||
Part Number: SP1-064-028B-009-064F-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 Regular price
$6.45 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||||
|
||||||
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
|
![]() |
Material: Carbon Steel
Approx Pilot Bore (d): 6.350
Locking Method: No Locking
Category: Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Plain Bore |
||||||
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 Regular price
$8.00 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||||
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 |
![]() |
||
Material: Carbon Steel
Standard Number: 25-1A
Type / Rows: Type 3
Approx Pilot Bore (d): 6.350
Locking Method: No Locking
Category: Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Plain Bore |
||||||
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 Regular price
$8.00 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||||
|
||||||
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 3s
|
![]() |
Material: Carbon Steel
Approx Pilot Bore (d): 9.525
Locking Method: 2 Set Screws at 90 Deg
Category: Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Finished Bore |
||||||
Part Number: SP1-064-028B-012-095F-C
Roller Chain Sprockets - 12 tooth - 24.25x16.66 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 Regular price
$8.00 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||||
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 |
![]() |
||
Material: Carbon Steel
Standard Number: 25-1A
Type / Rows: Type 3s
Approx Pilot Bore (d): 9.525
Locking Method: 2 Set Screws at 90 Deg
Category: Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Finished Bore |
||||||
Part Number: SP1-064-028B-012-095F-C
Roller Chain Sprockets - 12 tooth - 24.25x16.66 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 Regular price
$8.00 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||||
|
||||||
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
|
![]() |
Material: Carbon Steel
Approx Pilot Bore (d): 6.350
Locking Method: No Locking
Category: Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Plain Bore |
||||||
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 Regular price
$8.00 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||||
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 |
![]() |
||
Material: Carbon Steel
Standard Number: 25-1A
Type / Rows: Type 3
Approx Pilot Bore (d): 6.350
Locking Method: No Locking
Category: Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Plain Bore |
||||||
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 Regular price
$8.00 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||||
|
||||||
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 3s
|
![]() |
Material: Carbon Steel
Approx Pilot Bore (d): 6.350
Locking Method: 2 Set Screws at 90 Deg
Category: Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Finished Bore |
||||||
Part Number: SP1-064-028B-015-064F-C
Roller Chain Sprockets - 15 tooth - 30.31x22.23 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 Regular price
$8.00 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||||
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 |
![]() |
||
Material: Carbon Steel
Standard Number: 25-1A
Type / Rows: Type 3s
Approx Pilot Bore (d): 6.350
Locking Method: 2 Set Screws at 90 Deg
Category: Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Finished Bore |
||||||
Part Number: SP1-064-028B-015-064F-C
Roller Chain Sprockets - 15 tooth - 30.31x22.23 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 Regular price
$8.00 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||||
|
||||||
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
|
![]() |
Material: Carbon Steel
Approx Pilot Bore (d): 6.350
Locking Method: No Locking
Category: Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Plain Bore |
||||||
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 Regular price
$8.00 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||||
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 |
![]() |
||
Material: Carbon Steel
Standard Number: 25-1A
Type / Rows: Type 3
Approx Pilot Bore (d): 6.350
Locking Method: No Locking
Category: Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Plain Bore |
||||||
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 Regular price
$8.00 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||||
|
||||||
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
|
![]() |
Material: Carbon Steel
Approx Pilot Bore (d): Approx 8.000
Locking Method: No Locking
Category: Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Plain Bore |
||||||
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 Regular price
$8.00 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||||
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 |
![]() |
||
Material: Carbon Steel
Standard Number: 25-1A
Type / Rows: Type 3
Approx Pilot Bore (d): Approx 8.000
Locking Method: No Locking
Category: Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Plain Bore |
||||||
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 Regular price
$8.00 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||||
|
||||||
Number of Teeth
24
|
PCD
48.49
mm (Equiv. 1.909 in.) |
Hub Diameter (D1)
15.00
mm (Equiv. 0.591 in.) |
Overall Width (E)
9.50
mm |
Standard Number
25-1A
|
Type / Rows
Type 8
|
![]() |
Material: Acetal
Approx Pilot Bore (d): 8.000
Locking Method: Set Screw
Category: Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Plastic |
||||||
Part Number: SP1-064-028B-024-080-AWIN
Roller Chain Sprockets - 24 tooth - 48.49x15 mm Simplex - Acetal Sprocket 1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price
$7.05 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||||
Number of Teeth
24
|
PCD
48.49
mm (Equiv. 1.909 in.) |
Hub Diameter (D1)
15.00
mm (Equiv. 0.591 in.) |
Overall Width (E)
9.50
mm |
![]() |
||
Material: Acetal
Standard Number: 25-1A
Type / Rows: Type 8
Approx Pilot Bore (d): 8.000
Locking Method: Set Screw
Category: Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Plastic |
||||||
Part Number: SP1-064-028B-024-080-AWIN
Roller Chain Sprockets - 24 tooth - 48.49x15 mm Simplex - Acetal Sprocket 1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price
$7.05 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||||
|
||||||
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
|
![]() |
Material: Carbon Steel
Approx Pilot Bore (d): 9.525
Locking Method: No Locking
Category: Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Plain Bore |
||||||
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 Regular price
$8.00 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||||
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 |
![]() |
||
Material: Carbon Steel
Standard Number: 25-1A
Type / Rows: Type 3
Approx Pilot Bore (d): 9.525
Locking Method: No Locking
Category: Sprockets - Roller Chain - Simplex - 25-1A - With Boss - Plain Bore |
||||||
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 Regular price
$8.00 AUD
Regular price
Unit price
/
per
Excludes GST and overseas Taxes & Duties Each
|
||||||
|