Boundary dimensions(mm)						Mass(Kg)	Bearing Number
d	D	H	D1	H1	H2	Approx.	PYC
33.632	58.287	30.76	57	18			RP5707
35.6	58.287	37.1	57	18.5	46		RP1563
41.18	65.438	39.1	64.2	18.5	46		RP1559
41.25	65.476	33.1	64	18.5			RP6408