Part number on diagram
http://www.partzilla.com/parts/search/Honda/ATV/1989/FL400R%20A/REDUCTION%20GEAR/parts.htmlThis is all the actual sizes of the bearings needed in the trans.
7 Collar, 28x32x11 ((Collar not a bearing)
11 Collar, 17x21x10 ((Collar not a bearing)
16 Brg,ball 32x65x14
17 Brg,ball 35x62x12
18 Brg,ndl 16x22x12
20 96100-62070-00 BEARING, RADIAL BALL (6207) 35X72X17
21 96100-62090-00 BEARING, RADIAL BALL (6209) 45X85X19
22 96140-63030-10 BEARING, RADIAL BALL (6303U) BEARING, RADIAL BALL (6303) 17X47X14
I put all the bearing dimensions after each bearing for future searching.