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.
6.22€ excl. VAT
7.52€ 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.
9.56€ excl. VAT
11.56€ 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.
11.35€ excl. VAT
13.74€ 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.
11.61€ excl. VAT
14.05€ 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.
12.49€ excl. VAT
15.12€ 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.
14.01€ excl. VAT
16.95€ 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.
15.88€ excl. VAT
19.21€ 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.
17.04€ excl. VAT
20.62€ 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.
18.89€ excl. VAT
22.86€ 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.
22.23€ excl. VAT
26.89€ 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.
23.89€ excl. VAT
28.91€ 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.
25.44€ excl. VAT
30.78€ 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.
27.89€ excl. VAT
33.75€ 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.
30.44€ excl. VAT
36.84€ 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.
33.12€ excl. VAT
40.08€ 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.
34.85€ excl. VAT
42.16€ 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.
37.57€ excl. VAT
45.46€ 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 |


