Timken 3984 Tapered Roller Bearing Inner Race Assembly Cone, Steel, Inch, 2.6250" Inner Diameter, 1.183" Cone Width Single cone (inner ring) for connecting to compatible cups (outer rings, sold separately) to form a complete single tapered roller bearing Supports both radial and axial loads between a rotating and non-rotating member Operating temperatures range from -54 to 120 degrees C (-65 to 250 degrees F) Stamped steel cage evenly spaces rollers for reduced friction, vibration, and noise Open configuration for lubrication applied in place