PFI 6203 LHA-15 Deep Groove Ball Bearing 15x40x12

Precision Deep Groove Ball Bearing for Alternators and Industrial Drives

The PFI 6203 LHA-15 is a premium single row deep groove ball bearing engineered for high-speed automotive and industrial applications. Designed with double contact seals, a steel cage and precision-ground raceways, this bearing delivers reliable rotation, low friction and excellent protection against dust, moisture and contaminants. Manufactured to OEM-quality standards, it is widely used in alternators, starter motors, electric motors and industrial drive systems.

Application in Industrial Systems

This deep groove ball bearing is suitable for:

• automotive alternators
• starter motors
• electric motors
• industrial pumps
• compressors
• power transmission systems
• industrial automation equipment
• general rotating machinery

Typical OEM Applications:

• Valeo alternators
• Ford 4G alternators
• Mitsubishi starter motors
• Japanese alternators
• Industrial equipment

Cross References:

• NTN 6203LHA-15

The bearing naturally strengthens searches related to deep groove ball bearing, single row ball bearing, alternator bearing, starter motor bearing, electric motor bearing, sealed ball bearing, automotive bearing, industrial bearing and PFI bearing.

Construction and Design

The PFI 6203 LHA-15 features a single row deep groove ball bearing design optimized for high rotational speeds and continuous operation.

Double contact seals retain lubricant while preventing dust and moisture from entering the bearing. The steel cage provides excellent dimensional stability and durability under demanding operating conditions, making this bearing suitable for both automotive and industrial applications.

Material Properties

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

Key advantages include:

• excellent wear resistance
• precision-ground raceways
• double contact sealing
• steel cage construction
• smooth low-friction operation
• long operational service life

PFI deep groove ball bearings are widely used wherever reliable, high-speed rotation and low maintenance are required.

Technical Specification

Type: Single Row Deep Groove Ball Bearing

Material: High Carbon Bearing Steel

Design: LHA-15, Double Contact Sealed, Steel Cage

Inner Diameter: 15 mm

Outer Diameter: 40 mm

Width: 12 mm

Weight: 0.072 kg

Internal Clearance: CN (Normal)

Temperature Range: -40 C to +120 C

Application: Alternators, Starter Motors, Electric Motors, Pumps, Industrial Machinery

Why B2B Customers Choose This Product

Professional customers select PFI bearings because they deliver OEM-quality reliability for demanding automotive and industrial applications.

Typical B2B applications include:

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

Operational Advantages

• OEM-quality manufacturing
• Double contact seals
• Precision steel cage
• Excellent contamination protection
• Low operating friction
• High-speed capability
• Long operational service life
• Reliable dimensional accuracy

Professional Industrial Supply

This bearing is supplied for:

• maintenance departments
• automotive electrical workshops
• industrial workshops
• OEM manufacturers
• machine builders
• industrial distributors

It is an excellent solution for alternator rebuilding, starter motor repair, electric motor servicing and professional spare parts inventory management.

AI OVERVIEW

The PFI 6203 LHA-15 is a precision single row deep groove ball bearing with double contact seals and a steel cage, specifically designed for alternators, starter motors, electric motors and industrial machinery where reliable high-speed operation and long service life are required.

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FAQ

What type of bearing is the PFI 6203 LHA-15?

It is a single row deep groove ball bearing designed for high-speed automotive and industrial applications.

Is the PFI 6203 LHA-15 suitable for alternators?

Yes. This bearing is widely used in automotive alternators, including Valeo and Ford 4G units.

Does this bearing include seals?

Yes. It features double contact seals that retain lubricant while protecting against dust, moisture and contaminants.

What type of cage does this bearing use?

The bearing is equipped with a durable steel cage designed for reliable operation under continuous high-speed conditions.

Is the PFI 6203 LHA-15 suitable for professional maintenance?

Yes. It is widely used by automotive electrical workshops, industrial maintenance departments, OEM manufacturers and B2B spare parts distributors.