This type of wheel is suitable for inner grinding velocity ball joint cage's inner and outer race of auto drive spindle. It can equipe with various high precision NC race grinding machines.

FEPA Code	D	T	H	R
	14.58	22	5	11.54
	17.6	22	8	8.8
	19.2	22	8	12.77
	19.5	25	8	16.4
	21.17	25	10	14.88
	22.6	22	10	14.17

Order example:	PEPA code	D	T	H	R	Abrasive	Grain size	Bond	Concentration	Grade
Vitrified bond		14.58	22	5	11.54	D	120	V	150	N