- 60 Chain Number
 - 30 Teeth
 - 1 Strand
 - Taper Lock Bushing
 - With Hardened Teeth
 
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
- Hardened teeth sprockets afford longer chain and sprocket life
 - 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’ Taper bushings
 - Stocked Heat Treat
 
| No. of Strands Across | 1 | 
| Hardened Teeth | With Hardened Teeth | 
| Bushing Type | Taperlock | 
| Tooth Width | 0.444 in | 
| Type | B | 
| Single Strand Tooth Thickness | 0.444 in | 
| Material | Steel | 
| Hub Dia. | 3 9/16 in | 
| Outside Dia. [Min] | 7.5860 in | 
| Chain Pitch | 3/4 in | 
| Width Across Teeth | 1.25 in | 
| Overall Length Less Threads | N/A | 
| No. of Teeth | 30 | 
| Hub Projection | 0.81 in | 
| Hub Length | 0.81 in | 
| Length Through Bore | 1 1/4 in | 
| Outside Dia. | 7.5860 in | 
| Chain No. | 60 | 
| Bushing Bore [Max] | 2 in | 
| Bore Type | Bushed | 
| Bushing Series | 2012 | 
| Caliper Diameter | 6.7061 in | 
| Bushing Bore [Min] | 1/2 in | 
| Pitch Diameter | 7.175 in | 
| Inch/Metric | Inch | 
| Martin No. | 60BTB30H | 
| Sprocket Style | B | 
| Overall Length | 1 1/4 in | 
| Weight | 5.18 LB | 
| EAN or UPC | 697950043487 | 
        
