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A-18720-I-AI Cup, Tapered Bearing
A-18720-I-AI Cup, Tapered Bearing
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One New Aftermarket Replacement Tapered Roller Bearing Cup - A&I Products A-18720-I-AI
This tapered roller bearing cup (outer race) serves as the outer raceway for a single-row tapered roller bearing assembly. It is designed to work in conjunction with a matching tapered roller bearing cone (inner race and rollers) to support both radial and axial loads in agricultural, construction, and industrial equipment. Common applications include wheel hubs, axle assemblies, transmissions, differentials, and gearboxes on tractors and other farm machinery.
Specifications
- Outside Diameter: 3.346"
- Width: 0.531"
- Radius: 0.06"
- Type: Single Tapered Roller Bearing Cup (outer ring)
- Material: Steel
Replaces Part Number(s):
A-18720-I-AI, 18720
Aftermarket Interchange Numbers
Timken 18720; National 18720; NTN 18720
New aftermarket replacement part - not remanufactured, not used.



