| Bearing Unit NO. | Shaft Dia d | Dimensions(mm) | Bolt Used | Bearing No. | Housing No. | Weight (kg) | 
                     
                      | (in) | (mm) | a | h | e | j | i | g | l | s | b | f | z | Bi | n | mm | in | 
                     
                      | UCFB201-8 UCFB202-9
 UCFB202-10
 UCFB203-11
 UCFB204-12
 UCFB201
 UCFB202
 UCFB203
 UCFB204
 | 1/2 9/16
 5/8
 11/16
 3/4
 
 
 
 
 | 12 15
 17
 20
 | 108 | 42.9 | 38.1 | 22 | 15.9 | 8 | 25.4 | 10 | 63.5 | 60.3 | 34.1 | 31 | 12.7 | M8 | 5/16 | UC201-8 UC202-9
 UC202-10
 UC203-11
 UC204-12
 UC201
 UC202
 UC203
 UC204
 | FB204
 | 0.38 | 
                     
                     
                     
                      | UCFB205-13 UCFB205-14
 UCFB205-15
 UCFB205-16
 UCFB205
 | 13/16 7/8
 15/16
 1
 
 | 25 | 121 | 46 | 41.3 | 28.5 | 16.7 | 9.5 | 28.5 | 10 | 70 | 63.5 | 36.5 | 34 | 14.3 | M8 | 5/16 | UC205-13 UC205-14
 UC205-15
 UC205-16
 UC205
 | FB205 | 0.49 | 
                     
                      | UCFB206-17 UCFB206-18
 UCFB206-19
 UCFB206-20
 UCFB206
 | 1-1/16 1-1/8
 1-3/16
 1-1/4
 
 | 30 | 137 | 52.4 | 47.6 | 31.7 | 18.6 | 9.5 | 32 | 10 | 83 | 70 | 40.9 | 38.1 | 15.9 | M8 | 5/16 | UC206-17 UC206-18
 UC206-19
 UC206-20
 UC206
 | FB206 | 0.61 | 
                     
                      | UCFB207-20 UCFB207-21
 UCFB207-22
 UCFB207-23
 UCFB207
 | 1-1/4 1-5/16
 1-3/8
 1-7/16
 
 | 35 | 156 | 60.3 | 50.8 | 31.7 | 21 | 12.7 | 36.5 | 13 | 95 | 83 | 46.4 | 42.9 | 17.5 | M10 | 3/8 | UC207-20 UC207-21
 UC207-22
 UC207-23
 UC207
 | FB207 | 0.75 | 
                     
                      | UCFB208-24 UCFB208-25
 UCFB208
 | 1-1/2 1-9/16
 
 | 40 | 164 | 60.3 | 50 | 41.3 | 21 | 15.9 | 35.7 | 12 | 100 | 78 | 51.2 | 49.2 | 19 | M10 | 3/8 | UC208-24 UC208-25
 UC208
 | FB208 | 0.8 | 
                     
                      | UCFB209-26 UCFB209-27
 UCFB209-28
 UCFB209
 | 1-5/8 1-11/16
 1-3/4
 
 | 45 | 174 | 65 | 54 | 42.9 | 21.8 | 18.3 | 38 | 12 | 106 | 80 | 51.2 | 49.2 | 19 | M10 | 3/8 | UC209-26 UC209-27
 UC209-28
 UC209
 | FB209 | 1.5 | 
                     
                      | UCFB210-29 UCFB210-30
 UCFB210-31
 UCFB210-32
 UCFB210
 | 1-13/16 1-7/8
 1-15/16
 2
 
 | 50 | 190 | 74.6 | 70 | 41.3 | 21.8 | 12.7 | 38 | 13 | 118 | 102 | 53.6 | 51.6 | 19 | M10 | 3/8 | UC210-29 UC210-30
 UC210-31
 UC210-32
 UC210
 | FB210 | 1.8 |