08A-3 / ASA 40-3 Sprockets with Hub for DIN 8188 Roller Chains (A-Series)
08A-3 / ASA 40-3 sprockets with a hub are designed for drives with all types of 08A-3 / ASA 40-3 (1/2″ × 5/16″) triplex roller chains of the so-called American series (A-series), standardized to ISO 606 (DIN 8188, ANSI B29.1).
Products are sorted by name in ascending order.
08A-3-12-N (ASA 40, 1/2” × 5/16”) - 12 Teeth, with Hub (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
6.03€ excl. VAT
7.29€ incl. VAT
08A-3-13-N (ASA 40, 1/2” × 5/16”) - 13 Teeth, with Hub (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
9.26€ excl. VAT
11.20€ incl. VAT
08A-3-14-N (ASA 40, 1/2” × 5/16”) - 14 Teeth, with Hub (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
11.00€ excl. VAT
13.31€ incl. VAT
08A-3-15-N (ASA 40, 1/2” × 5/16”) - 15 Teeth, with Hub (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
11.25€ excl. VAT
13.61€ incl. VAT
08A-3-16-N (ASA 40, 1/2” × 5/16”) - 16 Teeth, with Hub (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
12.10€ excl. VAT
14.65€ incl. VAT
08A-3-17-N (ASA 40, 1/2” × 5/16”) - 17 Teeth, with Hub (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
13.58€ excl. VAT
16.43€ incl. VAT
08A-3-18-N (ASA 40, 1/2” × 5/16”) - 18 Teeth, with Hub (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
15.39€ excl. VAT
18.62€ incl. VAT
08A-3-19-N (ASA 40, 1/2” × 5/16”) - 19 Teeth, with Hub (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
16.51€ excl. VAT
19.98€ incl. VAT
08A-3-20-N (ASA 40, 1/2” × 5/16”) - 20 Teeth, with Hub (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
18.30€ excl. VAT
22.15€ incl. VAT
08A-3-21-N (ASA 40, 1/2” × 5/16”) - 21 Teeth, with Hub (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
21.53€ excl. VAT
26.06€ incl. VAT
08A-3-22-N (ASA 40, 1/2” × 5/16”) - 22 Teeth, with Hub (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
23.15€ excl. VAT
28.01€ incl. VAT
08A-3-23-N (ASA 40, 1/2” × 5/16”) - 23 Teeth, with Hub (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
24.65€ excl. VAT
29.83€ incl. VAT
08A-3-24-N (ASA 40, 1/2” × 5/16”) - 24 Teeth, with Hub (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
27.02€ excl. VAT
32.70€ incl. VAT
08A-3-25-N (ASA 40, 1/2” × 5/16”) - 25 Teeth, with Hub (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
29.50€ excl. VAT
35.69€ incl. VAT
08A-3-26-N (ASA 40, 1/2” × 5/16”) - 26 Teeth, with Hub (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
32.09€ excl. VAT
38.83€ incl. VAT
08A-3-27-N (ASA 40, 1/2” × 5/16”) - 27 Teeth, with Hub (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
33.76€ excl. VAT
40.85€ incl. VAT
08A-3-28-N (ASA 40, 1/2” × 5/16”) - 28 Teeth, with Hub (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
36.41€ excl. VAT
44.05€ incl. VAT
Products are sorted by name in ascending order.
Typical Applications
The 08A-3 / ASA 40-3 sprockets with a hub are intended for general use in light industry.
Typical applications include power-transmission drives; they are also used in lifting equipment and material-handling systems.
Materials
C43 steel.
Other materials on request.
Sprocket Code Description
Example:
08A-3-25-N (ASA 40, 1/2” × 5/16”) - 25 Teeth, with Hub (Steel)
| Code Part | Description |
|---|---|
| 08A |
Chain type |
| 3 |
Triplex design |
| 25 |
Number of teeth |
| N |
Design with hub |
| ASA 40 |
Chain designation according to ANSI B29.1 standard (USA) |
| 1/2” × 5/16” |
Chain pitch × inner width |
| 25 Teeth, with Hub (Steel) |
Sprocket design and material |


