80BS25x1 5/8" Type-B Bored to Size Roller Chain SprocketClick Here for catalog page(s)

and is chemical and abrasion resistant

self-centering design with mounting flange for use in through-bored components

flanged or shaft-mount

Number of Threads: Single Thread

Designed for maximum productivity

325 psi Working Pressure

Inhibits the Formation of Rust

Premium quality grains and J-weight cloth backing have been designed for long lasting performance

With 1" to triangle arbor

Available in 1:1 and 2:1 ratios

Boston Gear’s stock helical gears are manufactured in both right- and left-handed configurations with an industry standard 45° helix angle to transmit motion and power between non-intersecting shafts that are parallel or at 90° to each other

the brake will immediately set and hold