603zz
600 Series Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
603zz
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
1.13 g
Tolerance class
ABEC1
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
3 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
9 mm
Outside diameter tolerance
-0.008mm to 0
Width
5 mm
Width tolerance
-0.12mm to 0
Inner Ring Dimensions
Inner ring type
Standard
Ball & Washer Dimensions
Ball diameter
1.588 mm
Ball quantity
6
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
52 lbf
Radial static load rating
34 lbf
Limiting speed
56 X 1000 rpm
Lubrication
Required
Radial internal clearance
MC3
Radial internal clearance
0.002mm to 0.013mm
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Stainless Steel
Shield material
300 Series Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 1.13
/ each
In Stock
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603zz Bearing Product Overview & Core Advantages
The 603zz is a metric, single row deep groove ball bearing designed for reliable performance in compact spaces. Its primary characteristics include high-speed capability and effective radial load handling. The inclusion of shielded seals (ZZ) on both sides protects against contamination, making it a robust and maintenance-friendly solution for applications demanding precision and long service life.
603zz Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| - | Standard radial internal clearance (MC3). |
| ZZ | Indicates the bearing is fitted with non-contact steel shields on both sides. This provides effective protection against dust and other particulates while minimizing friction and allowing for high rotational speeds. |
603zz Bearing Structural Features & Performance Benefits
- High-Speed Performance: The combination of a stainless steel cage, precision-ground chrome steel components, and non-contact ZZ shields enables a high limiting speed of 56,000 rpm.
- Radial Load Capacity: The deep groove raceway and optimized geometry are engineered to support substantial radial dynamic loads (52 lbf) and static loads (34 lbf).
- Contamination Resistance: The 300 series stainless steel shields effectively seal the bearing interior, extending service life by preventing the ingress of contaminants.
- Precision & Reliability: Manufactured to ABEC1 tolerance class, this bearing ensures consistent performance and smooth operation, making it suitable for precision mechanisms.
603zz Bearing Typical Application Areas
This versatile bearing is ideally suited for a wide range of applications requiring small bore diameters and high-speed operation, including:
- Small electric motors and spindles
- Precision instruments and optical devices
- Computer cooling fans
- Office automation equipment (printers, scanners)
- Radio-controlled models and drones
