Ball bearings WIB - Special drawing bearings - Profile codes and specialities

SPECIAL BEARINGS Profile Codes and Specialties
	Code	Profile	Geometry	Code	Specialty
	A	V groove profile		O	Cylindrical bearing, dimensions out of norm
	G	Gothic profile groove (convex profile on notch sides)		J	Ring with synthetic coating
	B	Convex profile		L	Ring(s) with surface treatment, antiwear coating
	C	Concave profile		M	Ring larger than the other
	D	One-side chamfer		S	Ring in stainless steel X65 Cr13 (ACD34)
	E	Double-side chamfer		R	Post machining (milling, markings, ...)
	U	Ring with hole		T	Double row
	H	Retention groove ring		X	Special form not identified by one of the other codes as for instance: Stainless steel balls Special raceway forms Different tolerances on inner and outer rings Clearances out of norm Different material for inner and outer rings
	K	Raceway off centered
	N	Profile off centered
The codes O, T, X are always indicated in the outer ring coding sequence (first part of the basis), as they define a feature of the complete bearing. Back to Special Bearings Menu Main Menu