Timken 34478 - MotionBuy Timken 34478 Tapered Roller Bearing Cup - Single Cup, 4.7813 in OD, 0.6875 in Width, Chrome Steel, Non-Flanged Cup at Motion Industries. Keeping Part Number 34478, Tapered Roller Bearings - Single Cups34478. This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) 
Timken 34478 Tapered Bearing Cup: Automotive Buy Timken 34478 Tapered Bearing Cup: Tapered - Amazon.com ✓ FREE DELIVERY possible on eligible purchasesPart Number 34300A - 34478, Tapered Roller Bearings - TS34300A - 34478. This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) Timken 34478 Tapered Roller Bearing, Single Cup, StandardTimken 34478 Tapered Roller Bearing, Single Cup, Standard Tolerance, Straight Outside Diameter,