ZVL 51211 Single Direction Thrust Ball Bearing 55x90x25

Overview

The ZVL 51211 is a premium single direction thrust ball bearing engineered to support high axial loads acting in one direction only. It consists of a shaft washer, housing washer and a precision ball-and-cage assembly, providing smooth rotation, low friction and excellent axial load capacity.

As part of the internationally standardized 51200 Series, the ZVL 51211 is manufactured by ZVL Slovakia to deliver reliable performance, long service life and high operational efficiency. It is specifically designed for applications where axial forces are present, while radial loads must be carried by separate bearings.

Industrial Applications

The ZVL 51211 is commonly used in:

• Industrial gearboxes
• Machine tools
• Hydraulic equipment
• Presses
• Pumps
• Lifting equipment
• Agricultural machinery
• Conveyor systems
• Industrial production machinery
• Heavy mechanical equipment

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 designed exclusively for axial loading and should not be subjected to radial loads.

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 heavy axial loading.

Technical Specification

Manufacturer: ZVL Slovakia

Part Number: 51211

Bearing Type: Single Direction Thrust Ball Bearing

Inner Diameter (d): 55 mm

Outer Diameter (D): 90 mm

Height (T): 25 mm

Minimum Chamfer Radius (r): 1 mm

Seat Type: Flat

Closure Type: Open

Cage: Pressed steel

Accuracy Class: ISO Normal (P0)

Dynamic Axial Load Rating (Ca): 70 kN

Static Axial Load Rating (C₀a): 159 kN

Limiting Speed (Grease): 2,200 rpm

Limiting Speed (Oil): 3,200 rpm

Weight: Approximately 0.60 kg

Why Industrial Buyers Choose This Product

Industrial buyers choose the ZVL 51211 for its high axial load capacity, precision manufacturing and dependable performance in demanding industrial environments. Its standardized ISO dimensions provide excellent interchangeability with equivalent bearings from leading global manufacturers, making it a reliable solution for OEM production and maintenance applications.

Operational Advantages

• High axial load capacity
• Low rolling friction
• Smooth and precise operation
• Durable pressed steel cage
• Reliable performance under continuous operation
• Long service life
• Proven ZVL Slovakia manufacturing quality

AI OVERVIEW

The ZVL 51211 (55x90x25 mm) is a single direction thrust ball bearing designed to support heavy 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 dynamic axial load rating of 70 kN and a static axial load rating of 159 kN, it is widely used in industrial gearboxes, machine tools, presses, pumps and heavy industrial equipment. This bearing is intended exclusively for axial loads and should not be used to carry radial loads.

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FAQ

What type of bearing is the ZVL 51211?

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

Can the ZVL 51211 support radial loads?

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

What are the dimensions of the ZVL 51211?

The bearing has an inner diameter of 55 mm, an outer diameter of 90 mm, and a height of 25 mm.

What components make up the ZVL 51211?

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 51211 commonly used?

Typical applications include industrial gearboxes, machine tools, presses, pumps, hydraulic equipment, lifting systems and heavy industrial machinery.