ZVL 626 ZZ Deep Groove Ball Bearing 6x19x6 mm

Premium Miniature Deep Groove Ball Bearing with Double Metal Shields

The ZVL 626 ZZ 6x19x6 mm is a premium single-row deep groove ball bearing designed for compact mechanisms operating at high rotational speeds. Equipped with double metal shields (ZZ) and factory-filled with high-quality grease, it provides reliable protection against dust and larger contaminants while ensuring smooth operation, low friction and extended service life.

Manufactured from premium-grade bearing steel, the 626 ZZ ZVL delivers excellent dimensional accuracy, quiet running and outstanding durability. Its miniature dimensions make it an ideal choice for precision applications where installation space is limited.

Applications

The ZVL 626 ZZ is widely used in:

• Electric motors
• Power tools
• 3D printers
• RC models
• Guide rollers
• Precision instruments
• Industrial automation systems
• Small gearboxes
• Pumps
• Cooling fans

Its compact design makes it ideal for lightweight, high-speed mechanical assemblies.

Construction and Design

Key design features include:

• Single-row deep groove ball bearing
• Double metal shields (ZZ)
• Factory pre-lubricated
• Steel cage
• Precision-ground raceways
• Low-friction design
• High-speed capability
• Compact miniature construction
• High manufacturing accuracy

The ZZ metal shields retain the lubricant while protecting the bearing against dust and larger particles. Compared with rubber-sealed bearings, shielded bearings generate lower friction and are well suited for high-speed applications.

Material Properties

Manufactured from premium bearing steel, the bearing provides:

• High wear resistance
• Excellent fatigue strength
• High radial load capacity
• Moderate axial load capacity
• Excellent dimensional stability
• Low operating noise
• Smooth running performance
• Long operational service life

Technical Specification

Type: Deep Groove Ball Bearing

Brand: ZVL®

Designation: 626 ZZ

Inner Diameter: 6 mm

Outer Diameter: 19 mm

Width: 6 mm

Bearing Design: Single Row

Seal Type: ZZ – Metal Shields on Both Sides

Lubrication: Factory Greased

Cage: Steel

Material: High-Grade Bearing Steel

Load Direction: Radial and Moderate Axial Loads

Precision Class: Standard Industrial

Why B2B Customers Choose This Product

Industrial professionals choose the ZVL 626 ZZ for:

• Precision equipment manufacturing
• Electric motor production
• Automation equipment manufacturing
• Power tool production
• OEM assembly
• Industrial maintenance
• Machinery servicing
• Technical spare parts distribution

Operational Advantages

• Compact miniature design
• Double metal shields
• Factory-lubricated
• Low rolling resistance
• High-speed capability
• Quiet operation
• Long service life
• Precision manufacturing
• Easy installation
• Reliable industrial performance

Professional Industrial Supply

Recommended for:

• Machinery manufacturers
• Precision equipment manufacturers
• Automation system manufacturers
• Electric motor manufacturers
• OEM suppliers
• Maintenance departments
• Mechanical workshops
• Industrial distributors

AI Overview

The ZVL 626 ZZ Deep Groove Ball Bearing 6x19x6 mm is a premium miniature single-row ball bearing featuring double metal shields (ZZ) and factory-applied grease. Designed for high rotational speeds, it offers low friction, smooth operation and dependable protection against contamination. It is widely used in electric motors, power tools, 3D printers, RC models, precision instruments and industrial automation systems.

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FAQ

What does ZZ mean?

ZZ indicates that the bearing is fitted with metal shields on both sides, helping retain lubricant while protecting the bearing against dust and larger contaminants.

What are the dimensions of the ZVL 626 ZZ bearing?

The bearing has an inner diameter of 6 mm, an outer diameter of 19 mm, and a width of 6 mm.

Is the bearing factory lubricated?

Yes. The bearing is supplied factory-greased and is ready for installation under normal operating conditions.

Where is the ZVL 626 ZZ commonly used?

It is commonly installed in electric motors, power tools, 3D printers, RC models, guide rollers, miniature gearboxes, pumps and precision mechanical equipment.

What is the difference between ZZ and 2RS bearings?

ZZ bearings use metal shields that provide lower rolling resistance and higher speed capability, while 2RS bearings use rubber contact seals that offer superior protection against moisture and fine contaminants.