| Series | 385 |
| Cone Part Number | 389 |
| Cup Part Number | 384ED |
| Design Units | Imperial |
| Bearing Weight | 3.21 lb |
| Cage Type | Stamped Steel |
| Ab - Cage-Cone Frontface Clearance | 0.11 in |
| d | 2.1880 in |
| D | 3.9370 in |
| B - Cone Width | 0.8640 in |
| C - Double Cup Width | 1.5620 in |
| T - Bearing Width across Cones | 1.9369 in |
| R - Cone Backface To Clear Radius1 | 0.09 in |
| r - Cup Frontface To Clear Radius2 | 0.03 in |
| db - Cone Backface Backing Diameter | 2.56 in |
| Da - Cup Frontface Backing Diameter | 3.68 in |
| Aa - Cage-Cone Backface Clearance | 0.03 in |
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 | 6280 lbf |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 | 42200 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 | 10900 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 3810 lbf |
| K - Factor7 | 1.65 |
| e - ISO Factor8 | 0.35 |
| Y1 - ISO Factor9 | 1.91 |
| Y2 - ISO Factor10 | 2.84 |
| Cg - Geometry Factor11 | 0.0859 |
25821 Inch Tapered Roller Bearing 36.487x73.025x23.812mm