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.