Model Bearing	Picture	Drawing Bearing	d (mm)	D (mm)	B (mm)	order
WD-R522			75	200	37
WD-R521			65	183.5	33
WD-R520			60	165	33
WD-R519			55	151.89	29
WD-R518			55	151.5	29
WD-R517			55	121.5	25
WD-R516			50	130	27
WD-R515			45	127.063	25
WD-R514			45	119	25
WD-R513			45	119	25
WD-R512			40	109.7	23
WD-R511			40	101.6	23
WD-R510			40	101.6	27
WD-R509			35	101.6	21
WD-R508			35	88.4	17
WD-R507			30	88.9	19
WD-R506			30	78	22
WD-R505			30	70	22
WD-R504			25	80	17
WD-R503			25	76.2	17