A-1729-P-AI Cup, Tapered Bearing

One New Aftermarket Replacement Cup, Tapered Roller Bearing - 1729 Series

This tapered roller bearing cup (outer ring) serves as the outer raceway for a 1729-series single tapered roller bearing assembly. The cup pairs with a matching cone (inner ring assembly, sold separately) to support both radial and axial loads in wheel hubs, axle assemblies, transmissions, differentials, and other high-load rotating applications found in agricultural, construction, and industrial equipment. Typically mounted in opposing pairs on a shaft for balanced load distribution.

Specifications

• Outside Diameter: 2.240 in (56.896 mm)
• Cup Width: 0.625 in (15.875 mm)
• Maximum Housing Fillet Radius: 0.05 in
• Bearing Series: 1700
• Type: TS - Single Tapered Roller Bearing Cup (outer ring only)
• Material: Chrome alloy steel
• Configuration: Open (lubricated in place)
• Matches cone: 1779 (sold separately)

Compatible Applications

This is an industry-standard inch-series tapered roller bearing cup (1729) used across a broad range of agricultural tractors, combines, construction equipment, and industrial machinery. Compatible with any application specifying a 1729 bearing cup.

Replaces Part Number(s):

1729, A-1729-P-AI

Aftermarket Interchange Numbers

Timken 1729, SKF K-1729 X, Peer 1729, and equivalents from other major bearing manufacturers to the 1729 industry-standard number.

New aftermarket replacement part - not remanufactured, not used.