SRW144
SRW Series Stainless Steel Extended Inner Ring Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
SRW144
Basic Information
Bearing type
Ball
System of measurement
Inch
Construction
Single Row
Weight
0.4 g
Tolerance class
ABEC1
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
0.125"
Bore diameter tolerance
-0.0003" to 0"
Outside diameter
0.25"
Outside diameter tolerance
-0.0003" to 0"
Width
0.0937"
Width tolerance
-0.005" to 0"
Inner Ring Dimensions
Inner ring type
Extended
Inner ring width
0.125"
Shoulder diameter inner ring
0.161"
Ball & Washer Dimensions
Ball diameter
0.0394"
Ball quantity
7
Performance
Temperature range
-86 to 230 °F
Radial dynamic load rating
49 lbf
Radial static load rating
15 lbf
Limiting speed
60.3 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
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 3.47
/ each
In Stock
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SRW144 Bearing Product Overview & Core Advantages
The SRW144 is a precision single row ball bearing designed for high-performance applications requiring exceptional reliability. Manufactured entirely from stainless steel, it offers excellent corrosion resistance. This bearing is engineered to handle primarily radial loads and is characterized by its compact inch dimensions (0.125" bore), making it ideal for space-constrained assemblies. With a high limiting speed of 60,300 rpm and an ABEC1 tolerance class, it delivers dependable operation in demanding environments.
SRW144 Bearing Model Code Explained, Specifications & Naming Convention
The SRW144 model number indicates its specific design and features:
- SRW: Standard designates a series of small, precision ball bearings.
- 144: Specific size designation within the series.
- Key Inherent Features: The specification "Open" seal type and "Extended" inner ring are integral to this model's design, facilitating easier mounting and access for lubrication.
SRW144 Bearing Structural Features & Performance Benefits
- Robust Construction: Built with stainless steel rings, balls, and cage, the bearing provides superior corrosion resistance and durability, suitable for a wide temperature range from -86 to 230 °F.
- High-Speed Capability: The optimized design, including a complement of 7 balls, enables a very high limiting speed, making it suitable for high-RPM applications.
- Precision Performance: Manufactured to ABEC1 precision class standards and featuring MC3 radial internal clearance, it ensures smooth, low-vibration, and precise operation.
- Extended Inner Ring: The extended inner ring design simplifies axial location and can facilitate easier installation and sealing.
SRW144 Bearing Typical Application Areas
This bearing is ideally suited for applications where compact size, high speed, and corrosion resistance are critical. Common uses include:
- Small precision motors and spindles
- Medical and dental handpieces
- Optical encoders and instrumentation
- High-speed automation equipment
- Laboratory and analytical equipment
