6003-ZZ Deep Groove Ball Bearing For General Purpose Applications | 17×35×10 mm

The 6003-ZZ is a versatile, single-row deep groove ball bearing engineered for a broad spectrum of industrial and light-duty machinery requiring dependable performance under moderate loads. Featuring dual Z-type metal shields, this bearing provides effective protection against the ingress of dust and solid contaminants while maintaining low frictional torque. With a 17 mm bore and a 10 mm width, it is the preferred choice for electric motors, pumps, and household appliances where durability and contamination resistance are critical for extended service life.



6003-ZZ Miniature Deep Groove Ball Bearing 17×35×10 mm | 60 Series – Light | Double Shielded

This precision bearing utilizes a classic deep groove raceway design, enabling stable high-speed performance up to 24,000 r/min (Grease). The 6003-ZZ is engineered to accommodate radial loads as well as axial loads in both directions, making it exceptionally suited for general machinery, automotive components, and light industrial equipment where consistent, low-friction operation is required.

6003-ZZ Deep Groove Ball Bearing For General Purpose Applications | 17×35×10 mm

Comprehensive Applications

Ideal for a diverse range of general purpose and precision mechanical systems:

Industrial Machinery & Drive Systems
  • Electric Motors and Generators (AC/DC)
  • Small Pumps and Compressors
  • Conveyor Systems and Material Handling Equipment
  • Speed Reducers and Gearboxes 
Automotive & Auxiliary Systems
  • Alternators and Starter Motors
  • Cooling Fan Systems
  • Window Lift Mechanisms
  • HVAC Blower Assemblies 
Power Tools & Light Equipment
  • Handheld Power Tools (Drills, Grinders)
  • Lawn and Garden Equipment
  • Woodworking Machinery
  • Small Engine Applications 
General Engineering & Consumer Goods
  • Office Automation Equipment
  • Household Appliances
  • Textile Machinery
  • Industrial Instrumentation
  • Packaging Equipment 

Key Performance Features

01. Robust Design with High Load Capacity

Conforming to the popular 60-series light section, the 17×35×10 mm configuration delivers a dynamic load rating of 6.0–6.6 kN. This robust construction ensures reliable performance in applications where moderate radial and axial forces are present.

02. Effective Contaminant Exclusion

Double Z-type non-contact steel shields provide a reliable barrier against dust, dirt, and other airborne particulates from both sides. This design helps retain lubricant integrity and significantly extends the operational life of the bearing in general industrial environments without introducing significant drag.

03. Optimized for High-Speed and Low Noise

Precision-manufactured components and a rigid pressed steel cage ensure consistent, quiet operation with minimal vibration. This makes the 6003-ZZ suitable for high-speed applications, supporting stable performance in sensitive devices like electric motors and precision spindles.

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series 60 Series – Light
Basic Designation 6003
Suffix ZZ (Both sides with steel shields)
Bore Diameter (d) 17 mm
Outer Diameter (D) 35 mm
Width (B) 10 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class Standard (P0 / ABEC 1); Higher grades available
Cage Material Pressed Steel
Dynamic Load Rating (Cʳ) 6.0 – 6.6 kN  
Static Load Rating (C₀ʳ) 3.25 – 3.3 kN 
Limiting Speed (Grease) 19,000 – 24,000 r/min
Limiting Speed (Oil) 28,000 r/min 
Weight (approx.) 0.04 kg 

Interchange Part Numbers

Direct replacement for:

  • SKF: 6003-2Z / 6003-2Z/C3
  • NSK: 6003ZZ / 6003ZZCM 
  • FAG: 6003-2Z
  • NTN: 6003ZZ 
  • Timken: 6003-ZZ 
  • NACHI: 6003ZZ 

Design & Configuration

The 6003-ZZ is furnished with double Z-type steel shields as standard, delivering enhanced internal protection in dusty or debris-prone industrial conditions. For applications requiring a tighter seal against moisture or finer contaminants, the double rubber-sealed variant (6003-2RS) is also available. Bearings with C3 internal clearance are available for applications with higher operating temperatures or thermal expansion requirements.

"The 6003-ZZ is a versatile workhorse for general machinery, combining reliable load capacity with effective contamination protection for long-term, maintenance-free operation."



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