30204 ZVL Tapered Roller Bearing | 20x47x15.25 mm | Single Row

What is the 30204 ZVL Bearing?

The 30204 ZVL is a premium single row tapered roller bearing designed to support high radial loads and axial loads acting in one direction simultaneously. Manufactured by ZVL Slovakia, it meets international ISO standards and is widely used in automotive, industrial, agricultural and power transmission applications.

Its precision-engineered tapered rollers and raceways provide excellent load distribution, high rigidity and reliable shaft guidance, ensuring long service life even under demanding operating conditions.

Technical Specifications

Key Features

The 30204 ZVL bearing offers:

• High radial load capacity
• Ability to support axial loads in one direction
• Excellent rigidity
• Low rolling friction
• Precision shaft guidance
• High resistance to shock loads
• Long service life
• European manufacturing quality

Typical Applications

The 30204 ZVL tapered roller bearing is commonly used in:

• Wheel hubs
• Industrial gearboxes
• Speed reducers
• Drive axles
• Agricultural machinery
• Construction equipment
• Machine tools
• Pumps
• Industrial machinery
• Power transmission systems

Bearing Design

The 30204 ZVL consists of:

• Tapered inner ring (cone)
• Tapered outer ring (cup)
• Precision tapered rollers
• Steel cage

This design enables the bearing to carry heavy radial loads together with axial loads in one direction while maintaining excellent stiffness and operational reliability.

Why Choose ZVL?

ZVL Slovakia is a respected European bearing manufacturer with decades of experience producing high-quality rolling bearings for industrial and automotive applications.

The 30204 ZVL provides:

• European OEM quality
• Precision manufacturing
• Stable operation
• Excellent durability
• Reliable performance in demanding applications
• Outstanding value for money

FAQ

What are the bearing dimensions?

The bearing dimensions are 20x47x15.25 mm.

What type of bearing is 30204?

It is a single row tapered roller bearing.

Can this bearing carry axial loads?

Yes. It supports axial loads in one direction in addition to heavy radial loads.

Where is the 30204 bearing commonly used?

It is widely used in wheel hubs, gearboxes, agricultural machinery, construction equipment and industrial applications.

Does the bearing require preload adjustment?

Yes. In many applications, tapered roller bearings require proper preload or internal clearance adjustment during installation.

Does the bearing require lubrication?

Yes. Proper grease or oil lubrication is essential for maximum bearing life and reliable performance.

Frequently Asked Questions from Mechanics and Engineers

Why are tapered roller bearings often installed in pairs?

Installing two tapered roller bearings in pairs allows the assembly to support axial loads in both directions while increasing stiffness and operational accuracy.

What are the advantages of tapered rollers?

Tapered rollers provide a larger contact area than ball bearings, resulting in higher load capacity, improved rigidity and longer service life.

Is the 30204 bearing suitable for heavy-duty applications?

Yes. The 30204 series is specifically designed for demanding applications with high combined radial and axial loads.

What are the most common causes of premature bearing failure?

• Incorrect installation
• Improper preload adjustment
• Insufficient lubrication
• Contamination
• Overloading
• Corrosion
• Shaft or housing misalignment