d - Shaft Dia. | 
                                                                        N/A 20 mm | 
                                                                                H - Dimension | 
                                                                        N/A 1 5/16 in33.3 mm | 
                                                                                A - Dimension | 
                                                                        N/A 2 7/8 in73 mm | 
                                                                                E - Dimension | 
                                                                        N/A 2 in50.8 mm | 
                                                                                B - Dimension | 
                                                                        N/A 1 3/8 in35 mm | 
                                                                                W - Dimension | 
                                                                        N/A 2 19/32 in66 mm | 
                                                                                F - Tapped Holes | 
                                                                        N/A 3/8-16 UNC | 
                                                                                D - Min Tap Depth | 
                                                                        N/A 1/2 in13 mm | 
                                                                                M - Dimension | 
                                                                        N/A 0.7205 in18.3 mm | 
                                                                                Bi - Dimension | 
                                                                        N/A 1.2205 in31 mm | 
                                                                                Bearing No. | 
                                                                        N/A BUC 204 | 
                                                                                Housing No. | 
                                                                        N/A TPA 204 | 
                                                                                Weight | 
                                                                        N/A 1.4 lb | 
                                                                                Seal Type | 
                                                                        N/A B-Type |