SR4 2rs
SR Series Stainless Steel Miniature Bearings
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Part No.
Part No.
SR4 2rs
Basic Information
Bearing type
Ball
System of measurement
Inch
Construction
Single Row
Weight
4.54 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
0.625"
Outside diameter tolerance
-0.0003" to 0"
Width
0.196"
Width tolerance
-0.005" to 0"
Inner Ring Dimensions
Inner ring type
Standard
Ball & Washer Dimensions
Ball diameter
0.0937"
Ball quantity
8
Performance
Temperature range
-86 to 230 °F
Radial dynamic load rating
255 lbf
Radial static load rating
101 lbf
Limiting speed
34.2 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:
$ 1.12
/ each
In Stock
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SR4 2rs Bearing Product Overview & Core Advantages
The SR4 2RS is a single row deep groove ball bearing designed for exceptional performance in demanding applications. Engineered with inch system measurements, this sealed bearing excels in handling radial loads with high reliability. Its compact design, featuring a 0.25" bore and 0.625" outside diameter, makes it ideal for space-constrained assemblies requiring precision and durability. Constructed entirely from stainless steel (rings, balls, and cage) with nitrile rubber seals, it offers excellent corrosion resistance and is pre-lubricated for immediate service.
SR4 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| SR4 | Standard bearing series designation with specific inch dimensions (0.25" bore, 0.625" OD, 0.196" width) |
| 2RS | Double-sided nitrile rubber contact seals, providing superior protection against contaminants and retaining lubricant |
SR4 2rs Bearing Structural Features & Performance Benefits
- High Reliability Construction: The single row deep groove raceway and complement of eight precision stainless steel balls ensure smooth operation and efficient radial load distribution.
- Robust Sealing: The 2RS double-contact seals effectively exclude moisture, dust, and other contaminants, significantly extending bearing service life in harsh environments.
- Corrosion Resistance: Manufactured entirely from stainless steel, this bearing is suitable for applications exposed to corrosive agents or requiring frequent washdowns.
- Precision & Speed: Built to ABEC1 tolerance standards with an MC3 radial internal clearance, it offers consistent performance and a limiting speed of 34,200 rpm.
- Broad Temperature Range: Operates effectively within a temperature range of -86 to 230 °F, making it versatile for various industrial settings.
SR4 2rs Bearing Typical Application Areas
- Medical and Dental Equipment
- Food Processing and Packaging Machinery
- Small Precision Electric Motors
- Office Automation Equipment (Printers, Scanners)
- Instrumentation and Control Devices
- Agricultural Sprayers and Conveyors
