• Woodworking Machinery Guides
• Industrial Fan and Blower Units 
• Agricultural Machinery
• Lawn and Garden Equipment 

• Machine Tool Spindles (Light Duty)
• Packaging Line Feed Mechanisms
• Textile Machinery Components 
• Conveyor Rollers and Transfer Points

• Light-Duty Gearbox Outputs
• Power Tool Armatures 
• General Purpose AC/DC Motor Shafts
• Cooling Fan and Blower Motors

• Water Pump Bearings
• Small Air Compressor Units
• Vacuum Pump Rotors
• Centrifugal Pump Supports 

01. Strategic Single-Shield Configuration

Features one metal shield (Z) on the designated side, providing effective protection against dust and larger particles while retaining the initial grease lubrication . This non-contact shielding configuration minimizes frictional resistance, allowing for high-speed operation while leaving the opposite side accessible for lubrication maintenance when required .

02. Precision Manufacturing Standards

Produced to ISO dimensional tolerances (ABEC 1 / P0) with carefully controlled raceway surface finish . The precision-ground balls and optimized internal clearance ensure reduced frictional torque, minimal vibration characteristics, and quiet operational performance, contributing to reliable long-term service life in continuous-duty applications .

03. Robust Load-Bearing Geometry

The 6204-Z incorporates precision-engineered raceway curvatures that maximize ball contact area for enhanced radial load distribution . Manufactured from high-quality chrome steel (GCr15 / SAE 52100), it delivers consistent mechanical performance and extended fatigue life under continuous operating conditions . The deep, uninterrupted raceway carries axial loads in both directions while supporting radial loads at high speeds .

Interchange Part Numbers

Direct replacement for:

• SKF: 6204-Z
• NSK: 6204Z
• FAG: 6204-Z 
• NTN: 6204Z 
• Nachi: 6204Z
• KOYO: 6204Z 
• Timken: 6204-Z 
• Generic: 6204Z, 6204-Z, 6204-ZZ (when open side specified)

Design & Configuration

The 6204-Z is supplied as a pre-lubricated, single-shielded unit ready for installation . The one-sided metal shield provides effective protection on the critical side while maintaining accessibility for lubrication maintenance. The low-friction metal shield offers excellent protection in clean to moderately contaminated environments while maintaining high-speed capability . For applications requiring complete sealing on both sides, the double-shielded (ZZ) or rubber-sealed (2RS) variants are available. If you require specific internal clearances (C3 for high-speed applications) , alternative lubricants, or custom packaging configurations, please consult our technical sales team for availability.

"For pumps, electric motors, and general industrial machinery requiring balanced protection with maintenance access, the 6204-Z delivers reliable performance with its single-shielded configuration. Its standardized dimensions and robust load capacity make it a versatile, cost-effective solution for a wide range of light industrial applications."