Series | 
                                                                        N/A 13800 | 
                                                                                Cone Part Number | 
                                                                        N/A 13889 | 
                                                                                Cup Part Number | 
                                                                        N/A 13836-B | 
                                                                                Design Unit | 
                                                                        N/A Inch | 
                                                                                Cage Material | 
                                                                        N/A Stamped Steel | 
                                                                                d - Bore | 
                                                                        N/A 1 1/2 in38.10 mm | 
                                                                                D - Cup Outer Diameter | 
                                                                        N/A 2.5625 in65.088 mm | 
                                                                                D1 - Flange Outer Diameter | 
                                                                        N/A 2.6835 in68.161 mm | 
                                                                                B - Cone Width | 
                                                                        N/A 0.4688 in11.908 mm | 
                                                                                C - Cup Width | 
                                                                        N/A 0.3750 in9.525 mm | 
                                                                                C1 - Cup Flange Width | 
                                                                        N/A 0.1090 in2.769 mm | 
                                                                                T1 - Bearing Width to Flange | 
                                                                        N/A 0.2340 in5.944 mm | 
| R - Cone Backface "To Clear" Radius1 | N/A 0.06 in1.5 mm | 
| r - Cup Backface "To Clear" Radius2 | N/A 0.030 in0.8 mm | 
                                                                                da - Cone Frontface Backing Diameter | 
                                                                        N/A 1.67 in42.5 mm | 
                                                                                db - Cone Backface Backing Diameter | 
                                                                        N/A 1.77 in45 mm | 
                                                                                Da - Cup Frontface Backing Diameter | 
                                                                        N/A 2.52 in64.00 mm | 
                                                                                Ab - Cage-Cone Frontface Clearance | 
                                                                        N/A 0.08 in2 mm | 
                                                                                Aa - Cage-Cone Backface Clearance | 
                                                                        N/A -0.01 in-0.3 mm | 
| a - Effective Center Location3 | N/A -0.03 in-0.8 mm |