Standard Shaft Collars are made in non-magnetic 303 stainless steel. Inch and metric bores are available from 5/64” to 16mm. Standard Collars are supplied with one set screw and a spot or pre-drill at 90 degrees from the screw.
Made of 303 stainless steel. One side of the collar has a small journal designed to mate with the inner race of ball bearings permitting the collar to preload the ball bearing without interference contact with the outer race.
These collars are supplied with four set screw at 90 degrees apart. They have a looser bore tolerance, generally narrower in width, do not have a pre-drill hole for permanent installation, and are supplied in 303 stainless steel or anodized aluminum.