6704zz
6700 Series Thin Section Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
6704zz
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
5.9 g
Tolerance class
ABEC-1
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
20 mm
Bore diameter tolerance
-0.01mm to 0
Outside diameter
27 mm
Outside diameter tolerance
-0.009mm to 0
Width
4 mm
Width tolerance
-0.120mm to 0
Performance
Temperature range
-30°C to 110 °C
Radial dynamic load rating
227 lbf
Radial static load rating
162 lbf
Limiting speed
10 X 1000 rpm
Lubrication
Required
Radial internal clearance
C0
Radial internal clearance
0.006mm to 0.020mm
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 2.74
/ each
In Stock
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6704zz Bearing Product Overview & Core Advantages
The 6704zz is a single row deep groove ball bearing featuring integral shielded protection on both sides. Engineered for radial load applications, this compact metric bearing delivers reliable performance in a minimal space envelope. Its ABEC-1 precision class and standardized C0 radial clearance ensure consistent operation, making it an excellent choice for applications demanding high reliability and cost-effectiveness. The combination of chrome steel components and a stainless steel cage provides a robust foundation for various industrial uses.
6704zz Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Significance |
|---|---|---|
| zz | Double Shields (one on each side) | Provides effective protection against contamination from solid particles while retaining lubricant. Contributes to extended service life in dusty environments. |
6704zz Bearing Structural Features & Performance Benefits
- Optimized Radial Load Capacity: The deep groove raceway and single row design are specifically engineered to handle significant radial loads (227 lbf dynamic / 162 lbf static rating), providing stable support for rotating shafts.
- Shielded Protection: The dual zz shields offer superior contaminant exclusion compared to open bearings, protecting the precision-ground chrome steel balls and raceways from debris, thereby enhancing operational reliability.
- Precision Performance: Manufactured to ABEC-1 tolerance class with controlled C0 radial clearance (0.006mm to 0.020mm), ensuring smooth running and reduced vibration for consistent application performance.
- Corrosion-Resistant Cage: The stainless steel cage provides excellent corrosion resistance and durability, maintaining structural integrity at the bearing's limiting speed of 10,000 rpm.
- Compact & Lightweight Design: With dimensions of 20mm bore × 27mm OD × 4mm width and a weight of only 5.9g, this bearing offers a space-saving solution for compact assemblies without compromising performance.
6704zz Bearing Typical Application Areas
- Small Electric Motors: Ideal for fractional horsepower motors, cooling fans, and small power tools requiring reliable radial load support
- Office Equipment & Computer Peripherals: Used in printers, scanners, copiers, and hard disk drives where compact size and contamination protection are critical
- Medical Devices & Instrumentation: Suitable for small pumps, analytical instruments, and dental handpieces operating within the -30°C to 110°C temperature range
- Automotive Accessories: Applications in window lift motors, HVAC blowers, and small actuators requiring shielded bearing protection
- Consumer Electronics: Used in drones, RC models, and small appliances where lightweight design and reliable performance are essential
