NSK L68149 Tapered Roller Bearing Cone Bearings & Seals

The NSK L68149 is a precision-engineered tapered roller bearing cone (inner race assembly) designed for heavy-duty automotive, trailer, and differential applications. This single-row bearing features tapered rollers between the inner and outer rings with conical raceways, allowing it to handle combined radial and axial loads in one direction.

Key Specifications:

• Bore Diameter: 1.3775 inches (35mm)
• Outer Diameter: 2.328 inches (59.131mm)
• Width: 0.625 inches (15.875mm)
• Cone Width (B): 0.66 inches (16.764mm)
• Weight: 0.38 lbs (0.173 kg)
• Dynamic Load Rating: 35 kN
• Static Load Rating: 47 kN

Features and Benefits:

• High load capacity and rigidity for demanding applications
• Separable design with cone (inner ring with cage and roller set) and cup (outer ring) for easy installation and maintenance
• Grease lubrication speed rating: 6,000 RPM
• Oil lubrication speed rating: 8,000 RPM
• Commonly paired with L68110 or L68111 outer race cups
• Widely used in trailer axles, differential assemblies, and wheel hubs
• Premium NSK quality construction for long service life

This bearing cone must be mounted in a mirror-image arrangement with a second tapered roller bearing for proper operation. The L68149 is an industry-standard bearing size with cross-references available from multiple manufacturers including Timken, SKF, Koyo, and FAG.