SR2A 2rs
SR Series Stainless Steel Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
SR2A 2rs
Basic Information
Bearing type
Ball
System of measurement
Inch
Construction
Single Row
Weight
3.3 g
Tolerance class
ABEC1
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
0.125"
Bore diameter tolerance
-0.0003" to 0"
Outside diameter
0.5"
Outside diameter tolerance
-0.0003" to 0"
Width
0.1719"
Width tolerance
-0.005" to 0"
Inner Ring Dimensions
Inner ring type
Standard
Ball & Washer Dimensions
Ball diameter
0.06252"
Ball quantity
7
Performance
Temperature range
-86 to 230 °F
Radial dynamic load rating
110 lbf
Radial static load rating
37 lbf
Limiting speed
47.7 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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SR2A 2rs Bearing Product Overview & Core Advantages
The SR2A 2RS is a high-precision, single row deep groove ball bearing designed for reliable performance in demanding applications. Manufactured entirely from stainless steel with integral rubber seals (2RS), it offers excellent corrosion resistance and protection from contaminant ingress. This bearing is engineered to handle primarily radial loads and is characterized by its compact design, making it ideal for applications requiring high reliability and long service life in a wide temperature range from -86 to 230 °F.
SR2A 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| SR2A | Bearing Series & Designation | Denotes a specific series of inch-sized, single row deep groove ball bearings. |
| 2RS | Sealing Type | Indicates contact rubber seals on both sides. This provides superior protection against dust and moisture, retaining lubricant effectively for extended maintenance-free operation. |
SR2A 2rs Bearing Structural Features & Performance Benefits
- Robust Construction & Corrosion Resistance: The use of stainless steel for rings, balls, and cage ensures excellent durability and resistance to rust, making it suitable for harsh environments and washdown applications.
- Effective Sealing: The Nitrile Rubber (NBR) seals (2RS) provide a high level of contaminant exclusion, protecting the bearing's interior and preserving the factory-applied lubricant, which is essential for achieving the specified limiting speed and service life.
- Precision & Smooth Operation: Built to ABEC1 tolerance class with a controlled radial internal clearance (MC3: 0.00008" to 0.0005"), this bearing ensures consistent, low-vibration, and smooth running performance.
- Optimized Load Capacity: With a dynamic load rating of 110 lbf and a static load rating of 37 lbf, it is well-suited for applications with significant radial demands.
SR2A 2rs Bearing Typical Application Areas
This bearing's combination of sealed design, corrosion resistance, and precision makes it an ideal component for:
- Medical and Dental Equipment
- Food Processing and Packaging Machinery
- Small Precision Electric Motors
- Office Automation Equipment (Printers, Scanners)
- Instrumentation and Control Devices
