28A Roller Chain - 10ft Box 17-Tooth Sprocket the 08B SA1 attachment has

the 08B SA1 attachment has a straight tab on one side with one hole for mounting

Tapped base UCTB208-24 pillow block bearings are commonly used in applications such as

CSB210-32 bearing is a light-duty ball bearing insert made to C3 precision standards and utilizes set-screws to secure to a 2" shaft

UCFB204-12 flange bearings are designed with a metric-based housing

the 6215-2RS bearing features raceways that are precision honed to a superb finish

28A Roller Chain - 10ft Box 17-Tooth Sprocket the 08B SA1 attachment hasThis 28A roller chain is manufactured dimensionally to ANSI B29. 1 and ISO standards, so it directly interchanges with other ANSI, DIN, and ISO certified chains. Though dimensionally equivalent this chain exceeds in strength, performance, and durability. Additionally, this 28A roller chain is manufactured using heat treated precision components, features a solid roller design for increased performance, and is supplied with a high quality lubricant