FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Diameter | 1 1/4" |
| Bore Size | 1 1/4" |
| Bore Type | Finished Bore |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 1 1/4" |
| For Chain Number | 40 |
| For Chain Pitch | 1/2" |
| Hub Configuration | B |
| Hub Diameter | 3 1/4" |
| Hub Outside Dia. | 3 1/4" |
| Individually Packaged | Yes |
| Keyway Size | 1/4" x 1/8" |
| Length Through Bore | 1" |
| Length Thru Bore | 1" |
| Material | Steel |
| Number Of Chain Rows | 1 |
| Number Of Teeth | 26 |
| Outside Dia. | 4.418" |
| Pitch | 1/2" |
| Pitch Dia. | 4.1481" |
| Pitch Diameter | 4.148" |
| Set Screw Location | (1) Over Keyway And (1) At 90° |
| Set Screw Size | 5/16"-18 |
| Set Screw Thread Type | Coarse |
| Single Strand Tooth Thickness | 0.284" |
| Storage Dimension Height | 1.06" |
| Storage Dimension Length | 4 5/8" |
| Storage Dimension Width | 4 5/8" |
Shipping Info:
| Ship weight (kg) | 1.03 |
| Ship height (cm) | 2.69 |
| Ship length (cm) | 11.23 |
| Ship width (cm) | 11.23 |
| Country of Origin | US |
Product Variants
| Product | Model | Number Of Teeth | Pitch Dia. | Outside Dia. | Length Through Bore | Set Screw Size | Set Screw Location | Bore Size | For Chain Number | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
40BS9 1/2 | 9 | 1.4619" | 1.674" | 7/8" | #10-24 | (2) 90° Apart (No Keyway) | 1/2" | 40 | €29.33 | |
![]() |
40BS9 5/8 | 9 | 1.4619" | 1.674" | 7/8" | 1/4"-20 | (1) Over Keyway And (1) At 90° | 5/8" | 40 | €29.33 | |
![]() |
40BS10 1/2 | 10 | 1.618" | 1.839" | 7/8" | #10-24 | (2) 90° Apart (No Keyway) | 1/2" | 40 | €30.42 | |
![]() |
40BS10 5/8 | 10 | 1.618" | 1.839" | 7/8" | 1/4"-20 | (1) Over Keyway And (1) At 90° | 5/8" | 40 | €30.42 | |
![]() |
40BS10 3/4 | 10 | 1.618" | 1.839" | 7/8" | 1/4"-20 | (1) Over Keyway And (1) At 90° | 3/4" | 40 | €30.42 | |
![]() |
40BS11 1/2 | 11 | 1.7747" | 2.003" | 7/8" | #10-24 | (2) 90° Apart (No Keyway) | 1/2" | 40 | €31.80 | |
![]() |
40BS11 5/8 | 11 | 1.7747" | 2.003" | 7/8" | 1/4"-20 | (1) Over Keyway And (1) At 90° | 5/8" | 40 | €31.80 |
Explore Products
- BUSSMANN 16303-2 Distribution Block Pdb 2p 310a
- APOLLO VALVES SJT711025P VSH Shurjoint elbow 90 Deg. MM 2 1/2 Inch orange
- GROVE GEAR W8600239.00 Quill Input Worm Gear Reducer
- DDS 101.6120.6512.7SC Rotary Shaft Oil Seal, Sc, Nitrile, 101 mm ID, 120 mm Od, 12.7 mm Width
- GROVE GEAR EL8420306.00 EL-BMQ842-25-R-180 Worm Reducer, 25:1 Ratio, 1.125 Inch I.D, 1.75 Inch O.D, Aluminum
- WOODHEAD 1300270125 DNDF20A-M050 Cordset, 5 Pole, Female, 5m, Straight, Drop, Flex
- DWYER INSTRUMENTS GBTA56051 Dial Thermometer, Glow In The Dark, Bimetal, 1/2 Inch NPT Connection, 0 to 250 Deg F Range
Explore More
- KEYSHAFT
- WELDBEND CORP.
- TRANTER
- ATLAS COPCO
- SAFEGUARD
- HID Ballasts
- Warning Light and Audible Device Accessories
- Door Knob Locksets
- Chemical Metering Pump Systems
- Stainless Steel Grating
- KRYTOX GPL 203 Series Standard Grade Grease
- ASHCROFT A Series Explosion Proof Pressure Switches, Watertight 316SS Body
- TYGON 2375 Chemical Resistant PVC Tubings
- TIVAR UHMW Sheet Stocks, Black
- APPROVED VENDOR Corrugated Loom Tubing, 3/8 Inch Diameter
- KIPP 5/16-18 Thread Size Star Grip Knob
- MI-T-M Nipples
- PIP Covers
- ALTRONIX 8 Port Managed Midspans
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 40BS26 1 1/4 Roller Chain Sprocket, Bore To Size, 1.250 Inch Bore, 4.418 Inch Outside Dia. Steel
€96.67 /unit







