6204-Z Deep Groove Ball Bearing For Pumps and General Machinery | 20×47×14 mm
The 6204-Z is a Single-Shielded Deep Groove Ball Bearing engineered for dependable performance in pumps, gearboxes, and light industrial machinery. Featuring the standardized deep groove raceway geometry, this bearing effectively accommodates moderate radial loads and bidirectional axial loads in space-constrained assemblies. With a 20 mm bore, 47 mm outer diameter, and 14 mm width, it offers a robust cross-section suitable for various mechanical housings . Equipped with a single metal shield (Z) on one side for contamination resistance while maintaining accessibility for re-lubrication, it is an ideal choice for applications requiring balanced protection and maintenance flexibility.
6204-Z Deep Groove Ball Bearing 20x47x14 mm | Standard 6200-Series | Single Metal Shield (Z)
A widely specified bearing variant featuring the optimized deep groove raceway design. Engineered for dependable and quiet operation at speeds up to 16,000 r/min (Grease) . The 6204-Z delivers substantial load capacity within a compact envelope, making it a preferred component for electric motors, pumps, textile machinery, and power tools where one-side shielding is sufficient .

Ideal for light industrial equipment and rotating components:
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 .
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 .
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 .
| Bearing Type | Single Row Deep Groove Ball Bearing |
| ISO Dimension Series | 62 Series – Light Duty Series |
| Basic Designation | 6204 |
| Suffix | Single Metal Shield (Z) |
| Bore Diameter (d) | 20 mm |
| Outer Diameter (D) | 47 mm |
| Width (B) | 14 mm |
| Material (Races & Balls) | Chrome Steel (GCr15 / SAE 52100) |
| Precision Class | Standard ABEC-1 (P0) / ABEC-3 (P6) Available |
| Cage Material | Pressed Steel (Standard) |
| Dynamic Load Rating (Cʳ) | 12.8 – 13.5 kN |
| Static Load Rating (C₀ʳ) | 6.55 – 6.7 kN |
| Limiting Speed (Grease) | 15,000 – 16,000 r/min |
| Limiting Speed (Oil) | Information non disponible |
| Weight (approx.) | 104 – 110 g |
Direct replacement for:
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."
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The 6201-Z is a versatile, single-row deep groove ball bearing engineered for light industrial and automotive applications requiring dependable performance under moderate loads. Featuring a single Z-type metal shield on one side, this bearing provides effective protection against dust and solid contaminants while maintaining low frictional torque and allowing for relubrication if needed. With a 12 mm bore and 10 mm width, it is the preferred choice for small electric motors, pumps, and automotive auxiliary systems where durability and contamination resistance are critical for extended service life.
Details
The 6202-Z is a versatile, single-row deep groove ball bearing engineered for light industrial and automotive applications requiring dependable performance under moderate loads. Featuring a single Z-type metal shield on one side, this bearing provides effective protection against dust and solid contaminants while maintaining low frictional torque and allowing for relubrication if needed. With a 15 mm bore and 11 mm width, it is the preferred choice for small electric motors, pumps, and automotive auxiliary systems where durability and contamination resistance are critical for extended service life.
Details
The 6202-ZZ is a Versatile Double-Shielded Deep Groove Ball Bearing engineered for high-performance in a wide array of industrial and light machinery applications. Utilizing the industry-standard deep groove raceway design, this bearing efficiently manages substantial radial loads as well as light axial loads in both directions. With a 15 mm bore, 35 mm outer diameter, and an 11 mm width, it offers a balanced profile suitable for compact assemblies. Fitted with double metal shields (ZZ) to prevent contamination ingress, it is an ideal choice for electric motors, pumps, and general equipment requiring durable and low-maintenance operation.
Details
The 6203-Z is a Single-Shielded Deep Groove Ball Bearing designed for reliable performance in light industrial equipment and drive systems. Featuring the standard deep groove raceway geometry, this bearing effectively accommodates moderate radial forces and light axial loads in both directions. With a 17 mm bore, 40 mm outer diameter, and 12 mm width, it provides a robust cross-section suitable for compact machinery housings. Equipped with a single metal shield (Z) on one side for contamination resistance while maintaining accessibility for re-lubrication, it is an excellent choice for applications requiring balanced protection and maintenance flexibility .
Details
The 6203-ZZ is a Double-Shielded Deep Groove Ball Bearing engineered for reliable performance in electric motors and general industrial applications. Featuring the standardized deep groove raceway geometry, this bearing efficiently accommodates moderate radial loads and bidirectional axial loads in space-constrained assemblies. With a 17 mm bore, 40 mm outer diameter, and 12 mm width, it offers a balanced cross-section suitable for various mechanical housings. Equipped with double metal shields (ZZ) for effective contamination resistance while maintaining low friction operation, it is an ideal choice for applications requiring extended service life with minimal maintenance intervention .
Details
The 6204-Z is a Single-Shielded Deep Groove Ball Bearing engineered for dependable performance in pumps, gearboxes, and light industrial machinery. Featuring the standardized deep groove raceway geometry, this bearing effectively accommodates moderate radial loads and bidirectional axial loads in space-constrained assemblies. With a 20 mm bore, 47 mm outer diameter, and 14 mm width, it offers a robust cross-section suitable for various mechanical housings . Equipped with a single metal shield (Z) on one side for contamination resistance while maintaining accessibility for re-lubrication, it is an ideal choice for applications requiring balanced protection and maintenance flexibility.
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