Eccentric Collar: These collars are mainly used for LDK’s NA(HC) or SA type of ball bearing inserts of which are with an eccentric locking collar are intended primarily for use in applications where the direction of rotation is constant. On one side, the extended inner ring of the bearing has an eccentric step. The step accommodates the locking collar. Turning the locking collar in the direction of rotation locks the collar and bearing onto the shaft. A single grub screw further secures the collar to the shaft. The eccentric collar is black oxidized as standard.Zinc plating is also available upon request with MOQ.
Concentric Collar: These collars are mainly used for LDK’s UE type of ball bearing inserts which were debuted in early 2000’s.Material option available on mild steel and stainless steel.
· Effective on hard and soft shafts · Design fully engages the shaft without marring
· 360 degree clamping force · Potential user cost reduction on commercial grade shafting tolerances.
· Easily & quick installation · Black oxide provides some corrosion resistance