619/7-2Z
618 & 619 Series Thin Section Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
619/7-2Z
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.0051 kg
Tolerance class
P6
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
7 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
17 mm
Outside diameter tolerance
-0.007mm to 0
Width
5 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
238 lbf
Radial static load rating
84 lbf
Limiting speed
45 X 1000 rpm
Lubrication
Grease
Radial internal clearance
CN
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:
$ 14.15
/ each
In Stock
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619/7-2Z Bearing Product Overview & Core Advantages
The 619/7-2Z is a metric miniature deep groove ball bearing designed for precision applications requiring compact dimensions and reliable performance. As a single row bearing with shielded construction, it excels in handling radial loads efficiently while offering protection against contamination. Its P6 tolerance class ensures high running accuracy, making it suitable for high-speed operations up to 45,000 rpm. The bearing is pre-lubricated with grease, providing long-term service without maintenance in a temperature range of -30° to 120°C, and is compliant with ROHS and REACH standards for environmental safety.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 619 | Series designation for miniature deep groove ball bearings |
| 7 | Bore diameter: 7 mm |
| 2Z | Shielded on both sides for contamination protection |
619/7-2Z Bearing Structural Features & Performance Benefits
- High Precision & Speed: Manufactured to P6 tolerance class with optimized internal geometry, enabling smooth operation at limiting speeds of 45,000 rpm.
- Robust Load Capacity: The single row deep groove design provides excellent radial load handling with a dynamic rating of 238 lbf and static rating of 84 lbf.
- Durable Construction: Components made from chrome steel (rings and balls) and stainless steel cage ensure corrosion resistance and extended service life.
- Maintenance-Free Operation: The shielded (2Z) design combined with pre-applied grease lubrication protects against debris and retains lubricant, offering reliable performance in various environments.
- Compact & Lightweight: With dimensions of 7 mm bore, 17 mm outside diameter, and 5 mm width, and a weight of only 0.0051 kg, it is ideal for space-constrained applications.
619/7-2Z Bearing Typical Application Areas
- Precision Instruments: Used in optical devices, measuring equipment, and laboratory instruments requiring high accuracy.
- Small Motors & Drives: Ideal for miniature DC motors, stepper motors, and fan assemblies due to high-speed capability.
- Office Automation: Applied in printers, scanners, and copiers for smooth rotational movement.
- Medical Devices: Suitable for handheld medical tools and diagnostic equipment where reliability and compact size are critical.
- Robotics & Automation: Used in small robotic joints, actuators, and control systems demanding precise motion control.
