619/8-2RS1
618 & 619 Series Thin Section Bearings
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Part No.
Part No.
619/8-2RS1
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.0071 kg
Tolerance class
P6
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
8 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
19 mm
Outside diameter tolerance
-0.008mm to 0
Width
6 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
328 lbf
Radial static load rating
105 lbf
Limiting speed
24 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:
$ 5.99
/ each
In Stock
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619/8-2RS1 Bearing Product Overview & Core Advantages
The 619/8-2RS1 is a metric miniature deep groove ball bearing designed for precision applications requiring compact dimensions and reliable performance. As a single row sealed bearing, it excels in handling radial loads efficiently while offering protection against contamination. Its construction ensures smooth operation and is ideal for applications demanding high precision and long service life in constrained spaces. The bearing is pre-lubricated and features integral seals, making it a maintenance-free solution for various industrial and precision mechanisms.
619/8-2RS1 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 619 | Series designation for miniature deep groove ball bearings |
| 8 | Bore diameter: 8 mm |
| 2RS1 | Seal type: Contact seals on both sides for effective protection against contaminants and grease retention |
619/8-2RS1 Bearing Structural Features & Performance Benefits
- High Precision & Rigidity: Manufactured to P6 tolerance class with tight dimensional control (bore diameter tolerance: -0.007mm to 0, outside diameter tolerance: -0.008mm to 0), ensuring precise fit and stable operation.
- Optimized Load Capacity: The deep groove raceway and chrome steel construction provide a radial dynamic load rating of 328 lbf and radial static load rating of 105 lbf, suitable for sustained radial loads.
- Enhanced Service Life: The stainless steel cage ensures cage integrity and guides balls effectively, contributing to smooth running and extended bearing life.
- Effective Sealing & Lubrication: The 2RS1 contact seals protect against dust and moisture while retaining the pre-applied grease lubrication. This combination supports a limiting speed of 24,000 rpm and a temperature range of -30° to 120°C.
- Compact & Lightweight: With dimensions of 8x19x6 mm and a weight of 0.0071 kg, it is ideal for space-sensitive applications without compromising performance.
619/8-2RS1 Bearing Typical Application Areas
- Precision Instruments: Used in optical devices, measuring equipment, and laboratory instruments requiring miniature bearings with high accuracy.
- Small Electric Motors: Ideal for miniature DC motors, stepper motors, and fan motors where compact size and reliable radial load support are critical.
- Office Automation Equipment: Applied in printers, scanners, and copiers for precise rotational components.
- Medical Devices: Suitable for handheld medical tools, dental equipment, and small pumps due to its sealed and precision nature.
- Robotics & Automation: Used in small robotic joints, actuators, and guidance systems where high-speed and low-friction operation is essential.
