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- 40 Chain Number
- 21 Teeth
- 2 Strands
- Split Taper Bushing
- 3.617 in Outside Diameter
description
- Hardened teeth on the smaller sprocket of a roller chain drive are recommended if the drive ratio is four to one or greater or if the smaller sprocket has 24 teeth or less and is running at a speed of over 600 rpm.
features
- Tolerances meet or exceed ANSI standards
- Manufactured of high carbon steel
- Precise machining and processes ensure consistent finish and high quality
- Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
- Bores are concentric to pitch line, minimizing run out
- Interchangeable with other manufacturers’ split-taper bushings
| Hub OD @ Recess | 2.787 in |
| Length Through Bore | 1.5 in |
| No. of Strands Across | 2 |
| Outside Dia. | 3.617 in |
| Single Strand Tooth Thickness | 0.275 in |
| Hub Projection | 0.66 in |
| Bushing Series | P1 |
| Keyway Size | 3/8 in |
| Bore Type | Bushed |
| No. of Teeth | 21 |
| Hardened Teeth | With Hardened Teeth |
| Material | Steel |
| Hub Dia. | 3 in |
| Hub Recess Width | 3/16 in |
| Keyway | w/Keyway |
| Chain No. | 40 |
| Overall Length Less Threads | N/A |
| Bushing Bore [Min] | 0.5 in |
| Tooth Width | 0.275 in |
| Width Across Teeth | 0.841 in |
| Overall Length | 2.40625 in |
| Type | 12 |
| Caliper Diameter | 3.0334 in |
| Hub Length | 0.66 in |
| Sprocket Style | B |
| Pitch Diameter | 3.3548 in |
| Chain Pitch | 0.5 in |
| Outside Dia. [Min] | 3.617 in |
| Hub Recess Depth | 0.106 in |
| Bushing Bore [Max] | 1.75 in |
| Inch/Metric | Inch |
| Bushing Type | Split Taper |
| Weight | 1.81 LB |
| EAN or UPC | 697950209371 |
