R168 2rs
R Series Miniature Bearings
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Part No.
Part No.
R168 2rs
Basic Information
Bearing type
Ball
System of measurement
Inch
Construction
Single Row
Weight
0.6 g
Tolerance class
ABEC1
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
0.25"
Bore diameter tolerance
-0.0003" to 0"
Outside diameter
0.375"
Outside diameter tolerance
-0.0003" to 0"
Width
0.125"
Width tolerance
-0.005" to 0"
Inner Ring Dimensions
Inner ring type
Standard
Ball & Washer Dimensions
Ball diameter
0.03941"
Ball quantity
11
Performance
Temperature range
-86 to 230 °F
Radial dynamic load rating
71 lbf
Radial static load rating
31 lbf
Limiting speed
48 X 1000 rpm
Lubrication
Required
Radial internal clearance
0.00008" to 0.0005"
Radial internal clearance
MC3
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Stainless Steel
Shield material
Nitrile Rubber
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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R168 2rs Bearing Product Overview & Core Advantages
The R168 2RS is a single row deep groove ball bearing designed for reliable performance in compact spaces. This inch-sized bearing features integral rubber seals (2RS) on both sides, providing excellent protection against contaminants. Engineered to handle primarily radial loads, it offers a robust solution for applications requiring consistent operation. Its construction from chrome steel components ensures durability and a long service life, making it a dependable choice for various industrial and precision applications.
R168 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| R168 | The basic bearing designation, indicating a specific size and internal design in the inch series. |
| 2RS | Signifies that the bearing is equipped with Rubber Seals on both sides. This provides superior protection against dust, moisture, and other contaminants, helping to retain lubrication. |
R168 2rs Bearing Structural Features & Performance Benefits
- Robust Sealing: The Nitrile Rubber (NBR) seals (2RS) effectively shield the internal components, making the bearing suitable for environments where contamination is a concern. This design helps extend the bearing's life by preserving the lubricant.
- Precision & Reliability: Manufactured to ABEC1 tolerance class, this bearing ensures consistent performance and smooth operation. The stainless steel cage provides secure ball guidance, contributing to stable operation at the specified limiting speed.
- High-Quality Materials: The rings and balls are made from chrome steel, offering high load capacity and wear resistance. The combination of a radial dynamic load rating of 71 lbf and a compact design makes it ideal for space-constrained applications.
- Wide Operating Range: With a temperature range from -86 to 230 °F, this bearing is versatile for use in various climatic and operational conditions.
R168 2rs Bearing Typical Application Areas
- Small Electric Motors and Gearboxes
- Precision Instruments and Medical Devices
- Office Automation Equipment (e.g., Printers, Scanners)
- Light-duty Conveyor Systems and Idler Pulleys
- Ventilation Fans and Small Pumps
