Timken Tapered Roller Bearing Cone JM719149 Alloy Steel Single Cone

Description

Product Overview

The Timken JM719149 tapered roller bearing cone is a precision‑engineered component built from high‑grade alloy steel. Designed as a single‑cone (inner ring) element, it pairs with compatible outer cups to form a complete tapered roller bearing system. The cone features a machined exterior for exact dimensional tolerances, a stamped steel cage that evenly spaces rollers, and a robust design that meets ABEC specifications. Its compact 12 × 12 × 12‑inch footprint and 3.1‑pound weight make it easy to handle while delivering the strength required for demanding power‑transmission applications. The bearing is compatible with standard grease lubricants, ensuring straightforward maintenance and long service life.

Usage

This cone is suited for a wide range of industrial environments where both radial and axial forces must be managed. Typical applications include gearboxes, motor shafts, agricultural equipment, construction machinery, and heavy‑duty conveyors. The open configuration allows on‑site lubrication, making it ideal for installations where periodic greasing is required. It performs reliably in temperatures ranging from –54 °C (‑65 °F) up to 120 °C (250 °F), covering most outdoor and indoor industrial settings. Engineers, maintenance technicians, and OEMs will find the JM719149 a versatile choice for building robust bearing assemblies that sustain high loads and prolonged operation.

Why Choose Us

Choosing the Timken JM719149 means selecting a product backed by over a century of bearing expertise. Timken’s rigorous quality‑control processes guarantee each cone meets exacting standards for hardness, dimensional accuracy, and surface finish. The alloy‑steel construction provides superior wear resistance, while the stamped steel cage reduces friction, vibration, and noise during operation. Our supply chain ensures consistent availability, and our technical support team is ready to assist with fitment, installation, and maintenance guidance. Additionally, the product carries a national stock number (3110‑00‑357‑9710) and complies with global trade identification standards, simplifying procurement for large‑scale projects.

Key Features

• Durable alloy‑steel construction delivers long‑lasting wear resistance for heavy‑duty applications.
• Stamped steel cage evenly spaces rollers, minimizing friction and extending bearing life.
• Supports both radial and axial loads, providing versatile load handling in rotating equipment.
• Operates reliably from –54 °C to 120 °C, covering extreme temperature environments.
• Backed by Timken technical support and a comprehensive warranty for peace of mind.

FAQ

What size cup is required to complete the bearing assembly?

The JM719149 cone is designed to mate with standard tapered roller bearing cups that match the same bore diameter and outer race dimensions. Consult the Timken catalog or part number JM719149‑CUP for exact specifications.

Can this bearing cone be used with lubricants other than grease?

While grease is the recommended lubricant for optimal performance, the cone can also operate with high‑temperature oil lubricants in applications where continuous oil flow is maintained. Always verify lubricant compatibility with operating temperature and load conditions.

How do I install the cone to ensure proper alignment?

Begin by cleaning the shaft and cone surfaces to remove debris. Apply a thin layer of grease to the inner race, then slide the cone onto the shaft, ensuring the roll‑er orientation matches the direction of rotation. Use a torque wrench to secure any retaining hardware to the manufacturer’s specified values.

What maintenance schedule is recommended?

Inspect the bearing assembly at regular intervals—typically every 1,000 operating hours or quarterly for high‑load equipment. Re‑grease the bearing as needed, and replace the cone if signs of wear, scoring, or overheating appear.

Is the JM719149 suitable for high‑speed applications?

The cone is rated for moderate speeds typical of industrial gear drives. For very high‑speed applications, verify the maximum RPM rating in the Timken technical data sheet and consider a bearing model specifically engineered for high‑speed performance.