Series | 
                                                                        N/A 455 | 
                                                                                Cone Part Number | 
                                                                        N/A 455W | 
                                                                                Cup Part Number | 
                                                                        N/A 453XB | 
                                                                                Design Unit | 
                                                                        N/A Inch | 
                                                                                Cage Material | 
                                                                        N/A Stamped Steel | 
                                                                                d - Bore | 
                                                                        N/A 2 in50.80 mm | 
                                                                                D - Cup Outer Diameter | 
                                                                        N/A 4.25 in107.95 mm | 
                                                                                D1 - Flange Outer Diameter | 
                                                                        N/A 4.4960 in114.198 mm | 
                                                                                B - Cone Width | 
                                                                        N/A 1.1542 in29.317 mm | 
                                                                                C - Cup Width | 
                                                                        N/A 0.9687 in24.605 mm | 
                                                                                C1 - Cup Flange Width | 
                                                                        N/A 0.2188 in5.558 mm | 
                                                                                T1 - Bearing Width to Flange | 
                                                                        N/A 0.3440 in8.738 mm | 
| R - Cone Backface "To Clear" Radius1 | N/A 0.03 in0.800 mm | 
| r - Cup Backface "To Clear" Radius2 | N/A 0.030 in0.8 mm | 
                                                                                da - Cone Frontface Backing Diameter | 
                                                                        N/A 2.32 in59 mm | 
                                                                                db - Cone Backface Backing Diameter | 
                                                                        N/A 2.36 in60 mm | 
                                                                                Da - Cup Frontface Backing Diameter | 
                                                                        N/A 3.96 in100.58 mm | 
                                                                                Ab - Cage-Cone Frontface Clearance | 
                                                                        N/A 0.08 in2 mm | 
                                                                                Aa - Cage-Cone Backface Clearance | 
                                                                        N/A 0.07 in1.8 mm | 
| a - Effective Center Location3 | N/A -0.28 in-7.1 mm |