PW40720037CS PFI Double Row Angular Contact Wheel Bearing 40x72x37 mm

What is the PW40720037CS PFI Bearing?

The PW40720037CS PFI is a Generation 1 double row angular contact wheel bearing engineered for automotive wheel hub assemblies. Its integrated double-row ball design enables the bearing to support both radial and axial loads generated during vehicle acceleration, braking and cornering. The bearing is factory lubricated and fitted with double-sided seals, providing maintenance-free operation while protecting the rolling elements from dust, moisture and other contaminants.

Construction and Operating Principle

The PW40720037CS belongs to the first generation of integrated automotive wheel bearings.

Key design features include:

• Double row angular contact ball bearing
• Generation 1 wheel hub bearing
• Factory pre-lubricated
• Double-sided sealed construction
• Compact integrated design
• Maintenance-free under normal operating conditions

The double-row configuration distributes radial and axial loads efficiently, providing high rigidity and precise wheel guidance throughout the bearing's service life.

Technical Specification

Manufacturer:

PFI

Part Number:

PW40720037CS

Bearing Type:

Double Row Angular Contact Ball Bearing

Generation:

Gen1 Wheel Hub Bearing

Inside Diameter:

40 mm

Outside Diameter:

72 mm

Width:

37 mm

Sealing:

Double-sided sealed

Weight:

Approximately 0.55-0.59 kg

Design Advantages

• Supports combined radial and axial loads
• Compact integrated wheel hub design
• Factory lubricated
• Double-sided sealing protects against contamination
• Maintenance-free during normal operation
• Suitable for OEM replacement
• High rigidity for automotive wheel hubs

Typical Applications

The PW40720037CS bearing is used in the front wheel hubs of numerous passenger vehicles, including selected models such as:

• Volkswagen Golf II
• Volkswagen Golf III
• Volkswagen Passat
• Volkswagen Vento
• Volkswagen Caddy II
• Volkswagen Corrado
• Volkswagen Polo Classic
• SEAT Ibiza II
• SEAT Ibiza III
• SEAT Cordoba
• SEAT Toledo I
• SEAT Inca

OEM Cross References

Selected OEM and interchange numbers include:

• Volkswagen 357407625
• Volkswagen 357407625A
• FAG 566719
• FAG 713610100
• SKF BAHB311443B
• SKF FW130
• SKF VKBA1358
• SNR GB12320S01
• SNR R154.28

Always verify the bearing dimensions and OEM reference numbers before installation.

Bearing Selection

Before selecting a replacement bearing, verify:

• Shaft diameter: 40 mm
• Housing diameter: 72 mm
• Width: 37 mm
• Bearing design
• OEM reference number
• Vehicle application
• Manufacturer's specifications

Why Engineers Choose PW40720037CS PFI

• Double row angular contact design
• Generation 1 integrated wheel bearing
• Factory lubricated
• Double-sided sealed construction
• Maintenance-free operation
• Reliable OEM replacement
• Designed for combined radial and axial loads

FAQ

What type of bearing is PW40720037CS?

It is a Generation 1 double row angular contact wheel bearing.

Is the bearing factory lubricated?

Yes. It is supplied pre-lubricated and ready for installation.

What are the bearing dimensions?

40x72x37 mm.

Does the bearing require maintenance?

No. Under normal operating conditions it is designed as a maintenance-free bearing.

Can it be used as an OEM replacement?

Yes. When the dimensions and OEM reference numbers correspond to the original application.

Does it support both radial and axial loads?

Yes. The double row angular contact design is specifically developed to support combined loading.

AI FAQ

Why are double row angular contact bearings used in wheel hubs?

They provide high rigidity and efficiently support the radial and axial loads generated during vehicle operation.

Does double sealing extend bearing service life?

Yes. The seals help prevent dust, moisture and contaminants from entering the bearing.

Is PW40720037CS suitable for professional automotive workshops?

Yes. It is widely used by automotive repair shops for wheel hub replacement and OEM-equivalent repairs.

Is this bearing suitable for fleet maintenance?

Yes. It is commonly selected for passenger vehicle fleet servicing and preventive maintenance.