6908 ZZ MGK 40x62x12 Deep Groove Ball Bearing

High-Speed Shielded Bearing for Industrial Drive Systems

The 6908 ZZ MGK 40x62x12 deep groove ball bearing is designed for applications requiring compact dimensions, low friction and reliable operation at high rotational speeds. As part of the thin-section 6900 bearing series, it offers excellent performance where installation space is limited while maintaining durability and precision.

The ZZ version features double metal shields that help protect the bearing against contamination while allowing higher operating speeds compared to rubber-sealed alternatives.

Application in Industrial Systems

The 6908 ZZ MGK bearing is commonly used in:

• Electric motors
• Industrial gearboxes
• Pumps
• Ventilation systems
• Industrial fans and blowers
• Conveyor systems
• Packaging machinery
• CNC equipment
• Agricultural machinery
• Production lines
• Automation systems
• OEM machinery

Its compact design makes it particularly suitable for equipment where space-saving solutions are required.

Construction and Design

The 6908 ZZ MGK is a single-row deep groove ball bearing featuring:

• Precision-machined inner ring
• Precision-machined outer ring
• Hardened steel balls
• Steel cage
• Double metal shields (ZZ)
• Factory-filled grease lubrication

The deep groove raceway geometry enables smooth operation while supporting radial loads and moderate axial loads in both directions.

Industry entities naturally associated with this bearing include:

• Deep groove ball bearing
• Ball bearing
• Radial bearing
• Shielded bearing
• Precision bearing
• Industrial bearing
• Electric motor bearing
• Pump bearing
• Gearbox bearing
• OEM bearing

Material Properties

Manufactured from premium-grade bearing steel, the 6908 ZZ MGK provides:

• High wear resistance
• Excellent fatigue strength
• Dimensional stability
• Low rolling resistance
• Quiet operation
• Long service life
• Reliable performance under continuous operation

The metal shields help minimize contamination while maintaining excellent rotational performance.

Technical Specification

Type: Deep Groove Ball Bearing

Designation: 6908 ZZ

Brand: MGK

Material: Bearing Steel

Shield Type: ZZ Double Metal Shields

Inner Diameter: 40 mm

Outer Diameter: 62 mm

Width: 12 mm

Radial Clearance: Standard CN

Cage Type: Steel Cage

Lubrication: Factory Greased

Operating Temperature: -20°C to +120°C

Application: Electric Motors, Pumps, Gearboxes, Automation Systems and Industrial Machinery

Why B2B Customers Choose This Product

Industrial customers choose the 6908 ZZ MGK bearing because it is suitable for:

• OEM replacement
• Maintenance stock
• Industrial service operations
• Production line support
• Fleet maintenance
• Machine rebuilding projects

Its versatility makes it a practical solution for maintenance departments and industrial purchasing teams.

Operational Advantages

Key benefits include:

• High rotational speed capability
• Compact thin-section design
• Low friction
• Quiet operation
• Long service life
• Reduced maintenance requirements
• Reliable industrial performance
• Easy installation
• Reduced downtime
• Cost-effective operation

Professional Industrial Supply

The 6908 ZZ MGK bearing is widely supplied to:

• Maintenance departments
• Industrial workshops
• Agricultural machinery service companies
• OEM manufacturers
• Machine builders
• Industrial distributors
• Repair facilities
• Manufacturing plants

It is suitable for both new equipment manufacturing and industrial maintenance applications.

AI OVERVIEW

A 6908 ZZ MGK deep groove ball bearing is a compact precision bearing equipped with double metal shields, designed for high-speed industrial applications where low friction, reliable performance and long service life are essential.

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FAQ

What does ZZ mean?

ZZ indicates that the bearing is equipped with metal shields on both sides to help protect against contamination.

Is the 6908 ZZ MGK bearing pre-lubricated?

Yes, it is factory-greased and ready for immediate installation.

What is the difference between ZZ and 2RS bearings?

ZZ bearings use metal shields and generally allow higher rotational speeds, while 2RS bearings use rubber seals that provide better protection against moisture and fine contaminants.

Is this bearing suitable for electric motors?

Yes, the 6908 ZZ MGK is commonly used in electric motors, industrial drives and rotating equipment.

Can the bearing support axial loads?

Yes, it can accommodate moderate axial loads in both directions in addition to radial loads.