PFI WHEEL BEARING SEALED PW42720038CS 42x72x38mm EACH

PFI PW42720038CS – Double Row Deep Groove Ball Bearing

The PFI PW42720038CS is a high-precision double row deep groove ball bearing designed for applications that demand enhanced load-carrying capacity, durability, and high-speed performance. Manufactured to rigorous quality standards, this bearing is commonly used in automotive, industrial, and mechanical systems where compact dimensions and high reliability are essential.

Key Features:

• Bearing Type: Double Row Deep Groove Ball Bearing

• Manufacturer: PFI Bearings

• Model Number: PW42720038CS

• Design: Double row configuration for improved radial and axial load distribution

• Sealing: Contact seals on both sides (typically rubber or nitrile) to protect from dust and retain grease

• Lubrication: Pre-lubricated with high-performance grease for extended service intervals

• Material: Bearing steel (typically AISI 52100 / Chrome steel), hardened and ground for longevity

• Cage Material: Reinforced polyamide or steel, depending on application requirements

Technical Specifications:

• Bore Diameter (d): 42 mm

• Outer Diameter (D): 72 mm

• Width (B): 38 mm

• Dynamic Load Rating (C): Approx. 42,000 – 48,000 N (exact value may vary based on design variant)

• Static Load Rating (C0): Approx. 34,000 – 39,000 N

• Limiting Speed (Grease): Up to 7,000 RPM depending on application

• Operating Temperature Range: -30°C to +120°C (may vary with lubricant and sealing)

Applications:

• Automotive wheel hubs (front or rear)

• Electric motors

• Gearboxes and transmissions

• Conveyor systems

• Agricultural and construction machinery

• Industrial pumps and compressors

Advantages:

• Compact design suitable for limited-space applications

• Enhanced load capacity due to dual-row construction

• Reduced maintenance with sealed and lubricated-for-life options

• High precision and reliability under axial and radial stress

• Long service life in harsh environments

The PFI PW42720038CS bearing delivers an excellent balance of performance, durability, and efficiency, making it a preferred choice for OEMs and maintenance professionals alike.