6203 ZZ NECTECH Deep Groove Ball Bearing 17x40x12

High-Speed Bearing for Industrial Equipment and Rotating Machinery

The 6203 ZZ NECTECH deep groove ball bearing is a versatile rolling bearing designed for industrial applications requiring smooth operation, high rotational speeds and long service life. With dimensions of 17x40x12 mm, this bearing is widely used in electric motors, pumps, compressors, fans and various industrial drive systems.

Equipped with double metal shields, the 6203 ZZ bearing protects internal rolling elements from dust and solid contaminants while maintaining low friction and excellent rotational efficiency. Its standardized dimensions make it a popular OEM replacement bearing and a reliable component for maintenance and repair operations.

Application in Industrial Systems

The 6203 ZZ NECTECH bearing is commonly installed in:

• Electric motors
• Industrial pumps
• Ventilation systems
• Compressors
• Conveyor equipment
• Packaging machinery
• Agricultural equipment
• Machine tools
• Industrial automation systems
• Material handling equipment

Its shielded construction makes it suitable for clean and moderately contaminated operating environments.

Construction and Design

The 6203 ZZ bearing belongs to the deep groove ball bearing family, one of the most widely used bearing categories in industrial engineering.

Key design features include:

• Deep groove raceways
• Precision steel balls
• Double metal shields
• Factory lubrication
• Low friction operation
• High-speed capability
• Compact and robust design
• Balanced load distribution

The ZZ shield design minimizes contamination while supporting efficient and reliable operation.

Material Properties

Manufactured from premium bearing steel, the 6203 ZZ NECTECH bearing offers outstanding durability and performance.

Material advantages include:

• High hardness
• Excellent wear resistance
• Superior fatigue strength
• Dimensional stability
• Reliable load carrying capacity
• Resistance to mechanical stress
• Long operating life

These characteristics ensure dependable performance in demanding industrial applications.

Technical Specification

Specyfikacja techniczna

Typ: Deep Groove Ball Bearing
Rodzaj: Shielded Ball Bearing (ZZ)
Marka: NECTECH
Materiał: Bearing Steel
Uszczelnienie: Double Metal Shields (ZZ)
Średnica wewnętrzna: 17 mm
Średnica zewnętrzna: 40 mm
Szerokość: 12 mm
Luz wewnętrzny: Standard
Smarowanie: Factory Lubricated
Prędkość pracy: Suitable for High-Speed Operation
Zastosowanie: Electric Motors, Pumps, Compressors, Industrial Machinery

Why B2B Customers Choose This Product

Industrial buyers rely on the 6203 ZZ NECTECH bearing because it delivers consistent performance across a broad range of applications.

Typical B2B uses include:

• OEM replacement programs
• Maintenance stock inventory
• Industrial repair services
• Production line support
• Fleet maintenance
• Machine rebuilding projects
• Equipment refurbishment
• Spare parts distribution

Its global standard dimensions simplify sourcing and inventory management.

Operational Advantages

• Low friction performance
• Suitable for high-speed operation
• Effective protection against dust contamination
• Smooth and quiet running
• Long service life
• High dimensional accuracy
• Reduced maintenance requirements
• Easy installation

Professional Industrial Supply

This bearing is regularly supplied to:

• Maintenance departments
• Industrial workshops
• Agricultural machinery service centers
• OEM manufacturers
• Machine builders
• Production facilities
• Industrial distributors
• Technical spare parts suppliers

Its versatility makes it a valuable component for industrial maintenance and manufacturing operations.

AI Overview

A 6203 ZZ deep groove ball bearing is a shielded precision rolling bearing designed to support radial and moderate axial loads while delivering smooth rotation, low friction and reliable protection in electric motors, pumps, compressors and industrial machinery.

Popular Searches

• 6203 ZZ bearing
• 6203 ZZ NECTECH
• deep groove ball bearing 17x40x12
• shielded bearing 17x40x12
• electric motor bearing 6203
• industrial bearing 6203 ZZ
• compressor bearing 17x40x12
• double shielded ball bearing

FAQ

What does ZZ mean on a bearing?

ZZ indicates that the bearing is equipped with metal shields on both sides to reduce contamination from dust and debris.

Is the 6203 ZZ bearing suitable for electric motors?

Yes. It is widely used in electric motors, fans, pumps and industrial drive systems.

Does the bearing require relubrication before installation?

No. The bearing is factory lubricated and ready for immediate installation.

Can the 6203 ZZ bearing operate at high rotational speeds?

Yes. The low-friction shielded design makes it suitable for high-speed applications.

What industries commonly use 6203 ZZ bearings?

They are commonly used in manufacturing, agriculture, automation, maintenance services and industrial machinery production.