Timken Set 45, Set45, (LM501349 & LM501310) Cup & Cone Set

Description

Product Overview

The Timken Set45 cup and cone assembly is engineered as a full‑service tapered roller bearing package that replaces both the inner cone and outer cup simultaneously. Constructed from high‑grade alloy steel, the components meet ABEC 1 precision standards, ensuring minimal runout and superior dimensional stability under load. With an outside diameter of 73.43 mm and a thickness of 19.56 mm, the bearing is sized to fit a wide range of industrial machinery, from automotive differentials to heavy‑duty gearboxes. The design incorporates a grease‑compatible lubrication system, allowing for easy maintenance and extended service intervals. Detailed specifications include a material grade of alloy steel, a radial load capacity that exceeds typical industry requirements, and a robust exterior finish that resists corrosion in harsh environments. The Set45 model number is clearly marked on each component, simplifying inventory management and ensuring correct part identification during installation.

Usage

Timken Set45 bearings are suited for applications that demand both radial and axial load handling. Typical use cases include rear‑axle differentials in rear‑wheel‑drive (RWD) vehicles, front‑wheel‑drive (FWD) systems, and heavy‑duty industrial gear sets. The assembly performs reliably in environments with temperature fluctuations from sub‑freezing to elevated operating temperatures, making it ideal for outdoor equipment, manufacturing lines, and agricultural machinery. Installation guidelines recommend cleaning all mating surfaces, applying a thin layer of high‑temperature grease, and torquing the mounting bolts to the manufacturer‑specified values. When used in high‑speed scenarios, the alloy steel construction helps dissipate heat efficiently, reducing the risk of thermal expansion and premature wear. The bearing’s ABEC 1 tolerance ensures smooth operation, minimizing vibration and noise, which is critical for applications where precision and quiet performance are essential.

Why Choose Us

Choosing the Timken Set45 means selecting a product backed by more than a century of bearing expertise and a global network of support. Timken’s rigorous quality assurance process includes heat‑treatment, precision grinding, and ultrasonic testing to verify each bearing meets exacting standards before it leaves the factory. The company offers a comprehensive warranty that covers material defects and premature wear when installed according to the provided guidelines. In addition, Timken provides technical assistance through a dedicated engineering team that can help customers optimize bearing selection, installation procedures, and maintenance schedules. This level of service reduces downtime and extends the life of critical equipment, delivering measurable cost savings over the product’s lifecycle. Timken’s commitment to sustainability also means the alloy steel used in the Set45 is recyclable, aligning with environmentally responsible manufacturing practices.

Key Features

• Alloy steel construction delivers exceptional strength and wear resistance for demanding applications.
• ABEC 1 precision ensures minimal runout, providing smooth operation and reduced vibration.
• Grease‑compatible design simplifies lubrication and extends service intervals.
• Complete cup and cone set replaces both components together, maximizing reliability and lifespan.
• Timken technical support and warranty give peace of mind and reduce total cost of ownership.

FAQ

What size bearings does the Set45 replace?

The Set45 is designed to replace bearings with an outside diameter of 73.43 mm, a thickness of 19.56 mm, and a standard taper that matches Timken part numbers LM501349 (cone) and LM501310 (cup).

Can I use oil instead of grease for lubrication?

While the bearing is compatible with grease, using oil is not recommended because it may not provide the same level of film strength under high load conditions. Grease ensures a stable lubricating film that protects the alloy steel surfaces during operation.

Is the Set45 suitable for high‑speed applications?

Yes. The alloy steel material and ABEC 1 tolerance allow the bearing to operate at higher rotational speeds while maintaining dimensional stability and minimizing heat buildup.

How do I verify that I have installed the correct orientation?

Timken marks the cup and cone with directional arrows and part numbers. Align the arrows according to the machine’s rotation direction and confirm that the part numbers match the specifications listed in the installation manual.

What is the recommended maintenance interval?

For most industrial applications, Timken recommends inspecting the bearing every 12 months and re‑greasing as needed. In harsher environments, such as high‑temperature or high‑load conditions, a six‑month inspection schedule is advisable.