FAG K15125 Tapered Roller Bearing Cone Bore Imperial Single Row Bearings & Seals - 1-1/4

The FAG K15125 is a single-row tapered roller bearing cone designed for high-load applications requiring both radial and axial load support. Part of the 15000 series imperial bearing family, this cone features a 1-1/4 inch (1.250") bore and a 0.8125 inch cone width, and is manufactured to precise tolerances consistent with FAG's reputation for quality and reliability.

As a separable cone assembly, the K15125 includes the inner ring, tapered rollers, and stamped steel cage. It is designed to be paired with a compatible cup (outer race/cup) to form a complete tapered roller bearing unit. The separable design allows the cone and cup to be mounted independently, simplifying installation and enabling axial adjustment of end play or preload during assembly.

Key Features:

• Bore Diameter: 1.250 inches (1-1/4")
• Cone Width: 0.8125 inches
• Series: 15000 Series — Imperial (inch) design
• Cage Material: Stamped steel
• Design: Single-row, separable cone assembly
• Supports high radial and axial loads in one direction
• Open design allows for in-service lubrication with grease or oil
• Meets ISO and DIN dimensional standards for quality assurance
• Manufactured by Schaeffler Technologies under the FAG brand

The FAG K15125 tapered roller bearing cone is commonly used in automotive, agricultural, industrial, and powersports applications where durable, precise shaft support is required. For a complete bearing assembly, pair this cone with its matching cup. It is recommended to replace cone and cup simultaneously during service for optimal performance and longevity.