FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 25 mm |
| Chain Size | #20B-1 |
| Length Through Bore | 48 mm |
| Material | Steel |
| No. Of Teeth | 11 |
| Outside Dia. | 133.333 mm |
| Pitch | 31.75 mm |
| Pitch Dia. | 112.696 mm |
| Type | Type A Single Strand Solid Stock Bore |
Shipping Info:
| Ship weight (kg) | 1.58 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 13.34 |
| Ship width (cm) | 13.34 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Bore Dia. | Material | Pitch | Chain Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
![]() |
20A15 | 152.709 mm | 15 | 44 mm | 25 mm | Steel | 31.75 mm | #20B-1 | €171.67 | |
![]() |
20A28 | 283.572 mm | 28 | 51 mm | 32 mm | Steel | 31.75 mm | #20B-1 | €400.12 | |
![]() |
20A44 | 445.057 mm | 44 | 64 mm | 32 mm | Steel | 31.75 mm | #20B-1 | €769.64 | |
![]() |
20A10 | 102.745 mm | 10 | 48 mm | 25 mm | Steel | 31.75 mm | #20B-1 | €160.41 | |
![]() |
20A48 | 485.451 mm | 48 | 64 mm | 32 mm | Steel | 31.75 mm | #20B-1 | €884.28 | |
![]() |
20A84 | 849.13 mm | 84 | 95 mm | 25 mm | Steel | 31.75 mm | #20B-1 | €2,150.96 | |
![]() |
20A19 | 192.898 mm | 19 | 51 mm | 30 mm | Steel | 31.75 mm | #20B-1 | €230.90 |
Explore Products
- APPROVED VENDOR U01000.087.0900 Hex Head Cap Screw, 7/8 In - 9 Thread Size, Steel, 9 In Lg., 35/64 In Head Ht., Gr. 5, Coarse
- AIR HANDLER 41NK22 Pleated Filter, 18 x 18 x 02, MERV 13, 18x18x2, 2 Inch Size Nominal Dp
- STREN-FLEX RE2-904-10 Web Sling Reverse Eye 4 Inch Width x 10 Feet Nylon
- HEIDOLPH 036041025 Rotary Evaporator, Manual, G1B, Coated Diagonal Condenser, 300 W Heating Capacity
- SCIENTIFIC CUTTING TOOLS SPTM490FA-6LA 120794 Single Profile Thread Mill, Carbide Altin, 0.49 Dia, 4 Flutes, 1/2 Shank Dia
- VERMONT GAGE 912124540 Pin Gage, Class ZZ, Go, BG, 24.54 mm Size
- VULCAN HART 00-856606 Screw, 5/16 - 18 x 3/8 Inch Size, 2.6 x 2.85 x 1.15 Inch Size
- REGAL 008137AS53 Spiral Flute Tap, #5-44 Size, H2 Limit, 2 Flutes, Bottom With Nitride & Steam Oxide
Explore More
- DIAMOND VANTAGE
- KEYSHAFT
- KILLARK
- VULCAN HART
- WIRTHCO
- Vials
- Air Operated Pumps
- Digital Pressure and Vacuum Gauges
- Incubators
- Countersunk Washers
- DESTACO 217 Series Horizontal Hold Down Clamps
- IRONCAT TIG Welding Gloves, Cowhide Leather
- MEMPHIS GLOVE NXG Work Gloves, 15 Gauge, White, Nylon Shell
- ANSELL 37-165 Alphatec Solvex Versatile Heavy Duty Nitrile Gloves
- VIBCO V Series Pneumatic Ball Vibrators
- APPROVED VENDOR M2 x 0.4 Fully Threaded Standard Torx Button Passivated Stainless Steel Rounded Machine Screws
- DESTACO Pneumatic Swing Clamps
- NIBCO F-910-B-LF Series Check Valves, Lead-Free, Class 125, Flanged, Bronze Seat
- PBC LINEAR Adjustable Linear Ball Bearings, JIS Metric
- HUB CITY HERA35 Series Helical Hypoid Reducers, PS Type, Cast Iron
Contact us
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
MARTIN SPROCKET 20A11 Sprocket, 20B-1 Chain, 11 Teeth, 112.696 mm Pitch Dia., 133.333 mm O.D., Steel
€162.21 /unit



