PFI PSTA3072 Tapered Roller Bearing 30x72x24

Precision Tapered Roller Bearing for Differential and Transmission Systems

The PFI PSTA3072 is a premium single row tapered roller bearing designed for differential assemblies, manual transmissions and heavy-duty drivetrain applications. Engineered to support combined radial and axial loads, this OEM-quality bearing delivers exceptional rigidity, precise shaft guidance and long operational life. Its optimized tapered roller geometry ensures efficient load distribution, reduced friction and dependable performance under demanding operating conditions.

Application in Industrial Systems

This tapered roller bearing is suitable for:

• differential assemblies
• manual gearboxes
• final drive systems
• drive axles
• transmission systems
• industrial gearboxes
• off-road vehicles
• heavy-duty industrial machinery

OEM References:

• Toyota 90366-30067
• Toyota 90366-30025
• Toyota 90366-30105
• Toyota 90366-T0013

Cross References:

• KOYO HC STA3072-1LFT
• KOYO STA3072-9LFT
• SKF BR114

The bearing naturally strengthens searches related to tapered roller bearing, differential bearing, gearbox bearing, transmission bearing, automotive tapered roller bearing, final drive bearing, Toyota differential bearing, PSTA3072 bearing, STA3072 bearing and OEM tapered roller bearing.

Construction and Design

The PFI PSTA3072 features a precision single row tapered roller design that efficiently supports combined radial and axial loads. The optimized contact geometry provides uniform load distribution, high rigidity and smooth rotation while minimizing friction and wear.

Its robust construction is specifically developed for differential and transmission systems operating under continuous heavy loads and varying torque conditions.

Material Properties

The bearing is manufactured from premium high-carbon bearing steel with precision heat treatment for maximum durability.

Key advantages include:

• high radial and axial load capacity
• precision-ground raceways
• excellent wear resistance
• superior fatigue strength
• low rolling friction
• extended operational service life

PFI tapered roller bearings are widely used in automotive drivetrains, differential assemblies and industrial transmission systems where long-term reliability is essential.

Technical Specification

Type: Single Row Tapered Roller Bearing

Material: High Carbon Bearing Steel

Design: PSTA3072

Inner Diameter: 30 mm

Outer Diameter: 72 mm

Width: 24 mm

Weight: 0.454 kg

Temperature Range: -30 C to +120 C

Application: Differentials, Manual Gearboxes, Final Drive Systems, Toyota Drivetrains, Industrial Machinery

Why B2B Customers Choose This Product

Professional transmission specialists choose PFI bearings because they provide OEM-quality precision and dependable long-term performance.

Typical B2B applications include:

• OEM replacement
• maintenance stock
• transmission rebuilding
• differential rebuilding
• industrial service
• fleet maintenance

Operational Advantages

• High radial and axial load capacity
• Precision tapered roller geometry
• Excellent load distribution
• High dimensional accuracy
• Reduced operating friction
• Long operational service life
• OEM-quality manufacturing
• Reliable drivetrain performance

Professional Industrial Supply

This tapered roller bearing is supplied for:

• transmission rebuilding specialists
• differential repair workshops
• industrial maintenance departments
• OEM manufacturers
• machine builders
• industrial distributors

It is an excellent solution for gearbox rebuilding, differential repair, preventive maintenance and professional spare parts inventory management.

AI OVERVIEW

The PFI PSTA3072 is a precision single row tapered roller bearing designed for differentials, manual gearboxes and industrial transmission systems, providing excellent radial and axial load capacity, precise shaft guidance and long-term reliability in demanding drivetrain applications.

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FAQ

What type of bearing is the PFI PSTA3072?

It is a single row tapered roller bearing designed for differential assemblies, gearboxes and drivetrain systems.

Is the PFI PSTA3072 an OEM replacement?

Yes. It replaces several Toyota OEM bearings and cross-references KOYO HC STA3072-1LFT, KOYO STA3072-9LFT and SKF BR114.

Where is this bearing commonly installed?

It is commonly installed in differential assemblies, final drive systems, manual transmissions and heavy-duty drivetrain applications.

What are the advantages of a tapered roller bearing?

Tapered roller bearings simultaneously support high radial and axial loads while providing excellent rigidity, accurate shaft guidance and extended service life.

Is this bearing suitable for professional transmission rebuilding?

Yes. It is widely used by transmission specialists, automotive workshops, OEM manufacturers and professional B2B spare parts distributors.