SR09
SR Series Stainless Steel Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
SR09
Basic Information
Bearing type
Ball
System of measurement
Inch
Construction
Single Row
Weight
0.05 g
Tolerance class
ABEC1
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
0.04"
Bore diameter tolerance
-0.0003" to 0"
Outside diameter
0.125"
Outside diameter tolerance
-0.0003" to 0"
Width
0.0469"
Width tolerance
-0.005" to 0"
Inner Ring Dimensions
Inner ring type
Standard
Ball & Washer Dimensions
Ball diameter
0.025"
Ball quantity
6
Performance
Temperature range
-86 to 230 °F
Radial dynamic load rating
18 lbf
Radial static load rating
4 lbf
Limiting speed
117 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:
$ 17.64
/ each
In Stock
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SR09 Bearing Product Overview & Core Advantages
The SR09 is a single row deep groove ball bearing designed for precision applications requiring compact dimensions and reliable performance. Manufactured entirely from stainless steel, it offers excellent corrosion resistance. This bearing is engineered to primarily support radial loads and is characterized by its open design, which allows for versatile lubrication options to suit specific operational needs. Its miniature size, high limiting speed, and compliance with ABEC1 precision standards make it an ideal component for high-reliability, compact assemblies.
Model Code In-Depth Analysis
| Code Segment | Technical Meaning |
|---|---|
| SR09 | Standard model designation for this specific bearing size and series. |
| Open (No Seal) | Indicates the bearing has no integral seals or shields, allowing for high-speed operation and custom lubrication. |
| ABEC1 | Specifies the tolerance class, ensuring standard precision for runout and dimensional accuracy. |
| MC3 | Denotes the standard radial internal clearance group for general applications. |
SR09 Bearing Structural Features & Performance Benefits
- Compact & Lightweight Design: With an overall weight of just 0.05 g and miniature bearing dimensions (0.04" bore, 0.125" OD), it is perfect for space-constrained applications.
- High-Speed Capability: The open construction and optimized stainless steel cage contribute to a high limiting speed of 117,000 rpm.
- Corrosion Resistance: All components, including rings, balls, and cage, are made from stainless steel, ensuring durability in harsh environments and a wide temperature range of -86 to 230 °F.
- Radial Load Capacity: Engineered to handle radial loads effectively, with a dynamic load rating of 18 lbf and a static load rating of 4 lbf.
SR09 Bearing Typical Application Areas
This bearing is commonly used in:
- Precision Instruments and miniature mechanical assemblies.
- Small Electric Motors and gearboxes.
- Medical devices and surgical tools.
- Optical encoders and scanning equipment.
- Various industrial and consumer products requiring miniature ball bearings.
