Model Bearing	Picture	Drawing Bearing	d (mm)	D (mm)	B (mm)	order
699			9	20	6
689			9	17	4
639			9	30	10
629			9	26	8
609			9	24	7
698			8	19	6
688			8	16	4
638			8	28	9
628			8	24	8
608			8	22	7
638/8			8	16	6
628/8			8	16	5
688			8	16	4
MR148			8	14	3.5
637/8			8	12	3.5
MR128			8	12	2.5
697			7	17	5
687			7	14	3.5
637			7	26	9
627			7	22	7