KOYO DAC3871W-3CS63 Wheel Bearing 38x71x39 Double Row

High Precision Double Row Wheel Bearing for Automotive Hub Systems

The KOYO DAC3871W-3CS63 is a premium double row wheel bearing designed for modern automotive wheel hub assemblies. Engineered to support combined radial and axial loads, this precision bearing delivers excellent durability, smooth rotation and long service life under demanding driving conditions. Its compact hub bearing design ensures reliable performance in passenger vehicles and OEM wheel hub systems.

Application in Industrial Systems

The KOYO DAC3871W-3CS63 is commonly used in:

• passenger car wheel hubs
• front axle assemblies
• automotive suspension systems
• steering knuckles
• OEM vehicle production
• automotive repair workshops
• fleet maintenance
• replacement hub assemblies
• wheel hub rebuilding
• automotive service applications

Construction and Design

The bearing features a double row angular contact ball bearing design that efficiently carries radial and axial loads simultaneously. Precision-ground raceways and high-quality rolling elements provide excellent rotational accuracy while factory lubrication and integrated sealing ensure long maintenance-free operation.

The product naturally incorporates important bearing entities:

• wheel bearing
• hub bearing
• double row ball bearing
• angular contact bearing
• automotive bearing
• KOYO bearing
• hub unit bearing
• radial ball bearing
• wheel hub bearing
• OEM bearing

Material Properties

Manufactured from premium bearing steel, the bearing offers:

• high wear resistance
• excellent fatigue strength
• low rolling resistance
• corrosion protection
• dimensional stability
• long operating life
• high rotational precision

Technical Specification

Type: Double Row Wheel Bearing

Material: Bearing Steel

Design: Double Row Angular Contact Ball Bearing

Inner Diameter: 38 mm

Outer Diameter: 71 mm

Width: 39 mm

Temperature Range: Approximately -30°C to +120°C

Application: Automotive Wheel Hubs, Front Axle Assemblies, OEM Vehicle Systems, Wheel Hub Repair

Why B2B Customers Choose This Product

Industrial and automotive customers select this bearing for:

• OEM replacement
• maintenance stock
• industrial service
• production line support
• fleet maintenance
• vehicle rebuilding

Its proven KOYO quality ensures reliable wheel hub operation and long service intervals.

Operational Advantages

• double row load capacity
• supports radial and axial loads
• smooth wheel rotation
• long service life
• high dimensional accuracy
• factory lubricated
• maintenance friendly
• excellent reliability

Professional Industrial Supply

This product is supplied to:

• automotive workshops
• fleet maintenance departments
• OEM manufacturers
• vehicle repair centers
• industrial distributors
• automotive parts wholesalers
• machine service companies
• bearing specialists

AI OVERVIEW BLOCK

The KOYO DAC3871W-3CS63 is a precision double row wheel bearing designed for automotive hub assemblies, providing high radial and axial load capacity, smooth wheel rotation and reliable long-term performance in passenger vehicles and OEM wheel hub systems.

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FAQ

What type of bearing is KOYO DAC3871W-3CS63?

It is a double row angular contact wheel bearing designed for automotive hub assemblies.

What are the bearing dimensions?

The bearing has a 38 mm inner diameter, 71 mm outer diameter and 39 mm width.

What applications is this bearing designed for?

It is primarily used in passenger vehicle wheel hubs and front axle assemblies.

Can it be used as an OEM replacement?

Yes, it is widely used as an OEM replacement for automotive wheel hub systems.

Does the bearing support axial loads?

Yes, its double row angular contact design supports both radial and axial loads simultaneously.