50SDS27 Sprocket (QD Type) #40 SH Type Sprockets Bearing Size: 6309-ZZ

Bearing Size: 6309-ZZ

Conforming to ISO standards means that this chain directly interchanges with other brands while also having the ability to operate on standard 10B sprockets

This 6800-2RS ball bearing is a high-precision premium quality sealed deep groove 10x19x5 ball bearing made to ABEC 3 precision standards from AXIS

Sprocket Size: 50BS56

50SDS27 Sprocket (QD Type) #40 SH Type Sprockets Bearing Size: 6309-ZZThis 50SDS27 sprocket is a durable, high quality, and precision sprocket with hardened teeth that is manufactured to accept a SDS bushing. Sprockets that have hardened teeth last longer, perform better, and are much more durable than those that don't. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #50 roller chain and sprocket. Meeting strict ANSI Standards