ZVL 6305 2RS Deep Groove Ball Bearing 25x62x17 mm

What is the ZVL 6305 2RS Bearing?

The ZVL 6305 2RS is a premium single-row deep groove ball bearing designed for reliable operation under radial and moderate axial loads in both directions. It features rubber contact seals (2RS) on both sides, protecting the bearing against dust, dirt, moisture and other contaminants while retaining the factory-filled grease for long service life. The standard dimensions for the 6305 2RS bearing are 25 × 62 × 17 mm.

Manufactured by ZVL, a well-established European bearing manufacturer, the 6305 2RS offers dependable performance, precision engineering and excellent durability for industrial, automotive and agricultural applications.

Technical Specifications

Key Features

The ZVL 6305 2RS provides:

• Double rubber contact seals (2RS)
• Maintenance-free operation under normal conditions
• Excellent protection against dust and moisture
• Low operating noise
• High rotational accuracy
• Long service life
• Low friction
• Reliable performance in demanding industrial environments
• Premium European manufacturing quality

Typical Applications

The ZVL 6305 2RS is widely used in:

• Electric motors
• Gearboxes
• Industrial pumps
• Fans and blowers
• Agricultural machinery
• Conveyor systems
• Machine tools
• Compressors
• Power transmission equipment
• Industrial automation
• General machinery

Deep Groove Ball Bearing Design

Deep groove ball bearings are among the most widely used rolling bearings worldwide.

Their advantages include:

• Ability to carry high radial loads
• Support for moderate axial loads in both directions
• High-speed capability
• Low friction
• Quiet operation
• Simple installation
• Long service life
• Minimal maintenance requirements

What Does "2RS" Mean?

The 2RS suffix indicates that the bearing is fitted with rubber contact seals on both sides.

These seals:

• Prevent dust and dirt from entering the bearing
• Protect against moisture
• Retain factory grease
• Reduce maintenance requirements
• Increase bearing service life in contaminated environments

Why Choose ZVL?

ZVL has been manufacturing high-quality rolling bearings for decades and is recognized throughout Europe for producing reliable bearing solutions for industrial and automotive applications.

ZVL bearings offer:

• Proven European quality
• Precision manufacturing
• High durability
• Excellent value for money
• Reliable operation in demanding conditions

FAQ

What are the bearing dimensions?

The bearing dimensions are 25 × 62 × 17 mm.

What does 2RS mean?

2RS indicates rubber contact seals on both sides of the bearing, providing effective protection against contaminants.

Is the bearing pre-lubricated?

Yes. The bearing is supplied factory-greased and ready for installation.

Can it carry axial loads?

Yes. Deep groove ball bearings can support moderate axial loads in both directions in addition to radial loads.

Is maintenance required?

Under normal operating conditions, the sealed bearing is designed to operate maintenance-free.

Frequently Asked Questions from Mechanics and Engineers

What are the advantages of rubber seals over metal shields?

Rubber seals provide significantly better protection against water, dust and fine contaminants, making them suitable for harsher operating environments.

What are common causes of bearing failure?

• Improper installation
• Shaft or housing misalignment
• Contamination
• Overloading
• Excessive operating temperatures
• Vibration
• Inadequate lubrication after prolonged service

When should a 6305 2RS bearing be replaced?

Replacement is recommended if excessive noise, vibration, overheating, rough rotation or noticeable radial play develops during operation.

Manufacturer (GSPR)

ZVL SLOVAKIA, a.s.
Hlavná 1796/60
024 01 Kysucké Nové Mesto
Slovakia