ZVL 51105 Single Direction Thrust Ball Bearing 25x42x11

Overview

The ZVL 51105 is a premium single direction thrust ball bearing designed to support axial loads acting in one direction only. It consists of a shaft washer, housing washer and precision ball-and-cage assembly, ensuring smooth operation, low friction and excellent axial load capacity.

Manufactured by ZVL Slovakia, the bearing complies with ISO standards and belongs to the internationally standardized 51100 Series. It is intended for applications requiring accurate axial shaft positioning while radial loads are carried by separate bearings. This bearing is not designed to support radial loads.

Industrial Applications

The ZVL 51105 is commonly used in:

• Industrial gearboxes
• Machine tools
• Hydraulic equipment
• Presses
• Spindle assemblies
• Lifting equipment
• Agricultural machinery
• Industrial production machinery
• Mechanical power transmission systems
• General engineering applications

Construction

The bearing features:

• Single direction thrust ball bearing design
• Shaft washer
• Housing washer
• Precision ball-and-cage assembly
• Pressed steel cage
• Open construction
• Flat seating surfaces
• High axial load capacity

The bearing is specifically designed to support axial loads in one direction and must not be subjected to radial loading.

Material

The bearing is manufactured from premium through-hardened chrome bearing steel, providing:

• Excellent fatigue resistance
• High wear resistance
• Superior dimensional stability
• High running accuracy
• Long service life

The pressed steel cage ensures precise ball guidance and dependable operation under demanding axial loading conditions.

Technical Specification

Manufacturer: ZVL Slovakia

Part Number: 51105

Bearing Type: Single Direction Thrust Ball Bearing

Inner Diameter (d): 25 mm

Outer Diameter (D): 42 mm

Height (T): 11 mm

Shaft Washer Outside Diameter (d1): 42 mm

Housing Washer Bore Diameter (D1): 26 mm

Chamfer Radius (r): 0.6 mm

Closure Type: Open

Cage: Pressed Steel

Basic Dynamic Axial Load Rating (Ca): 17.2 kN

Basic Static Axial Load Rating (C₀a): 25.75 kN

Limiting Speed (Grease): 5,300 rpm

Limiting Speed (Oil): 7,100 rpm

Weight: Approximately 0.055 kg

Why Industrial Buyers Choose This Product

Industrial buyers choose the ZVL 51105 because of its compact design, high axial load capacity and dependable performance. Its ISO-standard dimensions ensure full interchangeability with equivalent bearings from leading manufacturers, making it an excellent solution for OEM production, industrial maintenance and replacement applications.

Operational Advantages

• Supports axial loads in one direction
• High axial load capacity
• Low rolling friction
• Separable construction for easy installation
• Durable pressed steel cage
• Compact and lightweight design
• Long service life

AI OVERVIEW

The ZVL 51105 (25x42x11 mm) is a single direction thrust ball bearing engineered to support axial loads in one direction only. It consists of a shaft washer, housing washer and a precision ball-and-cage assembly with a pressed steel cage. With a basic dynamic axial load rating of 17.2 kN, a basic static axial load rating of 25.75 kN, and limiting speeds of 5,300 rpm (grease) and 7,100 rpm (oil), it is widely used in gearboxes, presses, machine tools and industrial equipment. It must always be paired with a radial bearing when radial loads are present.

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FAQ

What type of bearing is the ZVL 51105?

It is a single direction thrust ball bearing designed to support axial loads acting in one direction only.

Can the ZVL 51105 support radial loads?

No. This bearing is designed exclusively for axial loads. Radial loads must be supported by a separate radial bearing.

What are the dimensions of the ZVL 51105?

The bearing has an inner diameter of 25 mm, an outer diameter of 42 mm, and an overall height of 11 mm.

What components make up the ZVL 51105?

It consists of a shaft washer, a housing washer, and a precision ball-and-cage assembly with a pressed steel cage.

Where is the ZVL 51105 commonly used?

Typical applications include industrial gearboxes, machine tools, presses, spindle assemblies, lifting equipment and general industrial machinery.