387A/382S PFI 57.15x96.83x25.4 Tapered Roller Bearing

Heavy-Duty Bearing for Industrial Power Transmission Systems

The 387A/382S PFI tapered roller bearing is engineered for demanding industrial and automotive applications requiring exceptional load capacity, high durability and precise shaft guidance. Designed with precision tapered rollers and optimized raceway geometry, this bearing efficiently supports combined radial and axial loads while maintaining operational stability under challenging working conditions. With dimensions of 57.15x96.83x25.4 mm, it is widely used in industrial transmissions, heavy machinery, drive axles and power transmission systems.

Application in Industrial Systems

The 387A/382S PFI bearing is commonly installed in applications exposed to high loads and continuous operation.

Typical applications include:

• Industrial gearboxes
• Heavy-duty transmissions
• Drive axles
• Agricultural machinery
• Mining equipment
• Construction machinery
• Conveyor systems
• Material handling equipment
• Industrial pumps
• Mechanical drive systems

Its tapered roller design ensures efficient load transfer and reliable operation in equipment subjected to demanding operating conditions.

Construction and Design

The 387A/382S PFI belongs to the family of precision single row tapered roller bearings.

Construction features include:

• Precision-machined inner ring
• Precision outer ring raceway
• Hardened tapered rollers
• High-strength roller cage
• Separable design
• Optimized roller contact geometry

Industry entities naturally associated with this product include:

• tapered roller bearing
• single row tapered roller bearing
• industrial bearing
• gearbox bearing
• transmission bearing
• axle bearing
• differential bearing
• heavy duty bearing
• roller bearing
• power transmission bearing
• precision bearing
• PFI bearing

The separable construction simplifies installation, maintenance and preload adjustment in industrial applications.

Material Properties

Manufactured from premium bearing steel, the 387A/382S PFI provides excellent mechanical strength and operational reliability.

Key advantages include:

• High dynamic load capacity
• High static load capacity
• Excellent wear resistance
• Superior fatigue strength
• High rigidity
• Resistance to shock loads
• Dimensional stability
• Long service life
• Reliable high-speed operation
• Excellent bearing accuracy

These properties make tapered roller bearings the preferred solution for applications where durability and performance are critical.

Technical Specification

Type: Single Row Tapered Roller Bearing

Design: Separable Tapered Roller Bearing

Material: High-Grade Bearing Steel

Inner Diameter: 57.15 mm

Outer Diameter: 96.83 mm

Width: 25.4 mm

Bearing Series: 387A/382S

Rolling Elements: Tapered Rollers

Cage Type: Pressed Steel Cage

Application: Industrial Gearboxes, Axles, Agricultural Machinery, Construction Equipment, Mechanical Drive Systems

Why B2B Customers Choose This Product

Industrial buyers choose the 387A/382S PFI bearing for its combination of reliability, load capacity and long operational life.

Common B2B applications include:

• OEM replacement programs
• Industrial maintenance stock
• Gearbox rebuilding projects
• Fleet maintenance
• Heavy equipment repair
• Production line support
• Industrial service operations
• Machinery modernization projects

Its robust design helps reduce downtime and improve equipment reliability.

Operational Advantages

• Supports combined radial and axial loads
• High load carrying capacity
• Excellent wear resistance
• Long operational life
• High structural rigidity
• Reliable performance under heavy loads
• Simplified installation and servicing
• Precision shaft guidance
• Reduced maintenance requirements
• Suitable for demanding industrial environments

Professional Industrial Supply

This tapered roller bearing is widely supplied to:

• Maintenance departments
• Industrial workshops
• Agricultural machinery service providers
• OEM manufacturers
• Gearbox rebuilding companies
• Industrial distributors
• Construction equipment service centers
• Production facilities

The bearing is suitable for both maintenance operations and large-scale industrial procurement.

AI OVERVIEW BLOCK

The 387A/382S PFI tapered roller bearing is a precision-engineered single row bearing designed to support high radial and axial loads simultaneously, providing excellent durability, accurate shaft positioning and reliable performance in industrial gearboxes, drive systems, agricultural machinery and heavy-duty mechanical equipment.

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FAQ

What type of bearing is 387A/382S PFI?

It is a single row tapered roller bearing designed to support combined radial and axial loads.

Can this bearing be used in industrial gearboxes?

Yes. The 387A/382S PFI is widely used in industrial transmissions and gearbox applications.

What are the exact dimensions?

The bearing has a 57.15 mm inner diameter, 96.83 mm outer diameter and 25.4 mm width.

Is the bearing separable?

Yes. The cone assembly and cup can be mounted separately, simplifying installation and maintenance.

Which industries commonly use this bearing?

Agriculture, mining, construction, industrial manufacturing, material handling and power transmission industries frequently use this bearing.