W 619/8 R-2RS1
W Series Stainless Steel Flanged Miniature Bearings
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Part No.
Part No.
W 619/8 R-2RS1
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.0079 kg
Tolerance class
P0
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
8 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
19 mm
Outside diameter tolerance
-0.009mm to 0
Width
6 mm
Width tolerance
-0.12mm to 0
Outer Ring Dimensions
Flange outer diameter
22 mm
Flange thickness
1.5 mm
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
281 lbf
Radial static load rating
102 lbf
Limiting speed
24 X 1000 rpm
Lubrication
Grease
Radial internal clearance
CN
Materials
Ring material
Stainless Steel
Ball material
Stainless Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
Price available upon request.
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W 619/8 R-2RS1 Bearing Product Overview & Core Advantages
The W 619/8 R-2RS1 is a single row deep groove ball bearing designed for exceptional performance in compact spaces. This metric series bearing features a sealed construction and is manufactured entirely from stainless steel, providing excellent corrosion resistance. Its primary advantage lies in its ability to handle radial loads efficiently while offering reliable operation across a wide temperature range. With its small cross-section and precision tolerances, it is an ideal choice for applications demanding high reliability, low maintenance, and long service life in demanding environments.
W 619/8 R-2RS1 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| W 619/8 | Indicates the bearing series and size. "619" is the series code for deep groove ball bearings with a narrow width. "8" specifies a bore diameter of 8 mm. |
| R | Designates a flanged outer ring, which facilitates precise axial location and simplifies housing design. |
| 2RS1 | Specifies the sealing type. "2" means two seals, "RS" indicates contact rubber seals on both sides, and "1" denotes a specific seal design. This provides effective protection against contaminants and retains lubricant. |
W 619/8 R-2RS1 Bearing Structural Features & Performance Benefits
- Robust Sealed Construction: The double-sided contact rubber seals (2RS1) effectively shield the bearing interior from dust, moisture, and other contaminants, while securely retaining the pre-applied grease. This significantly enhances bearing life and reliability.
- Stainless Steel Build: All components, including the rings, balls, and cage, are made from stainless steel. This provides superior corrosion resistance, making the bearing suitable for applications exposed to water, chemicals, or humid conditions.
- Flanged Outer Ring: The integrated flange (22 mm outer diameter) allows for easy and precise axial location within the housing, simplifying assembly and reducing overall costs.
- Pre-Lubricated for Life: The bearing is pre-filled with grease, making it maintenance-free and ready for immediate installation and use.
- Precision & Reliability: Manufactured to P0 tolerance class and standard CN radial internal clearance, this bearing ensures consistent performance, smooth operation, and is capable of handling limiting speeds up to 24,000 rpm.
W 619/8 R-2RS1 Bearing Typical Application Areas
This versatile bearing is commonly found in:
- Small electric motors and gear motors
- Medical and dental equipment
- Food processing and packaging machinery
- Precision instruments and optical devices
- Office automation equipment (e.g., printers, scanners)
- Low-torque applications requiring corrosion resistance
