SR168 2rs
SR Series Stainless Steel Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
SR168 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
64 lbf
Radial static load rating
28 lbf
Limiting speed
43.2 X 1000 rpm
Lubrication
Required
Radial internal clearance
MC3
Radial internal clearance
0.00008" to 0.0005"
Materials
Ring material
Stainless Steel
Ball material
Stainless 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:
$ 1.35
/ each
In Stock
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SR168 2rs Bearing Product Overview & Core Advantages
The SR168 2RS is a single row deep groove ball bearing designed for high reliability in compact applications. Engineered with inch dimensions, it excels in handling radial loads efficiently while offering robust performance. Its sealed construction and stainless steel components ensure excellent corrosion resistance and durability, making it ideal for precision equipment requiring consistent operation and minimal maintenance.
SR168 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| SR168 | Standard bearing series with inch bore (0.25"), outside diameter (0.375"), and width (0.125") |
| 2RS | Double-sided nitrile rubber seals providing effective protection against contaminants and retaining lubrication |
SR168 2rs Bearing Structural Features & Performance Benefits
- High Corrosion Resistance: All-steel construction using stainless steel for rings, balls, and cage ensures reliable performance in harsh environments and extends service life.
- Effective Sealing: The 2RS dual rubber seals shield the bearing from dust, moisture, and debris, maintaining internal cleanliness and lubrication integrity.
- Radial Load Capacity: Optimized deep groove geometry and 11 precision balls enable efficient handling of radial dynamic loads up to 64 lbf and static loads up to 28 lbf.
- Precision Operation: Manufactured to ABEC1 tolerance class with controlled radial internal clearance (MC3: 0.00008" to 0.0005") for smooth, low-vibration rotation.
- Wide Temperature Range: Suitable for operations from -86 to 230 °F, accommodating diverse industrial conditions.
SR168 2rs Bearing Typical Application Areas
- Small precision instruments and measuring devices
- Medical equipment and laboratory apparatus
- Low-torque drives and miniature motors
- Office automation equipment and consumer electronics
- Food processing machinery (compliant with ROHS and REACH standards)
