A-2788-P-AI Cone, Tapered Roller Bearing

One New Aftermarket Replacement Cone, Tapered Roller Bearing - 2788 Series

This tapered roller bearing cone (inner ring assembly) is a direct-fit aftermarket replacement for the industry-standard 2788 bearing. It serves as the inner race of a single-row tapered roller bearing assembly, designed to support both radial and axial loads in wheel hubs, axle assemblies, trailer hubs, agricultural equipment, and industrial machinery. The cone mounts on the shaft and pairs with a compatible cup (outer ring, sold separately) such as the 2720, 2729, or 2734 series cup.

Specifications

• Bore (Inner Diameter): 1.500" (38.1 mm)
• Cone Width: 1.010" (25.65 mm)
• Maximum Shaft Fillet Radius: 0.14"
• Series: 2700
• Cage Material: Steel
• Operating Temperature Range: -65 to +250 degrees F (-54 to +120 degrees C)
• Dynamic Load Capacity: 19,500 lb.
• Static Load Capacity: 23,000 lb.
• ABMA Precision Rating: Class 2
• Compatible Cups: 2720, 2720B, 2729, 2729X, 2734, 2735X (sold separately)

Compatible Applications

The 2788 is an industry-standard bearing number used across a wide range of equipment including agricultural tractors and implements, construction equipment, trailer axle hubs, and general industrial machinery. It is commonly used as an inner wheel bearing in trailer hubs rated for 5,200 lb. axles. Also replaces AGCO part number 70539114 in disc mower and implement applications.

Replaces Part Number(s):

2788, A-2788-P-AI

Aftermarket Interchange Numbers

Timken 2788 / Timken 2788-2, National 2788, SKF BR2788, NTN 2788, Peer Bearing 2788, Bower 2788, WJB WT2788, AGCO 70539114

New aftermarket replacement part - not remanufactured, not used.