FRW133zz
FRW Series Extended Inner Ring Flanged Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
FRW133zz
Basic Information
Bearing type
Ball
System of measurement
Inch
Construction
Single Row
Weight
0.21 g
Tolerance class
ABEC1
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
0.09375"
Bore diameter tolerance
-0.0003" to 0"
Outside diameter
0.1875"
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
0.118"
Outer Ring Dimensions
Flange outer diameter
0.234"
Flange thickness
0.031"
Ball & Washer Dimensions
Ball diameter
0.0236"
Ball quantity
10
Performance
Temperature range
-86 to 230 °F
Radial dynamic load rating
28 lbf
Radial static load rating
10 lbf
Limiting speed
80 X 1000 rpm
Lubrication
Required
Radial internal clearance
MC3
Radial internal clearance
0.00008" to 0.0005"
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Stainless Steel
Shield material
300 Series Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 4.07
/ each
In Stock
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FRW133zz Bearing Product Overview & Core Advantages
The FRW133zz is a miniature shielded ball bearing designed for precision applications requiring compact dimensions and reliable performance. This single row deep groove ball bearing features an extended inner ring for secure mounting and is pre-shielded to protect against contamination. Engineered with chrome steel rings and balls, it delivers dependable operation in a wide temperature range from -86 to 230 °F. Its primary advantages include a compact design for space-constrained assemblies and robust construction suitable for handling radial loads in various industrial and commercial applications.
FRW133zz Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| FRW | Manufacturer series designation for miniature flanged bearings |
| 133 | Specific size code within the series |
| zz | Indicates dual shielded construction on both sides for enhanced contamination protection |
FRW133zz Bearing Structural Features & Performance Benefits
- Extended Inner Ring & Flange Design: The extended inner ring and integral flange facilitate easy and secure axial location, simplifying installation and improving positional accuracy in assemblies.
- Dual Shielded Protection (zz): Stainless steel shields on both sides effectively retain lubricant and exclude larger contaminants, enhancing bearing life and reliability without significantly increasing rotational torque.
- High-Quality Material Construction: Manufactured from chrome steel for rings and balls, and a stainless steel cage, this bearing offers excellent durability and resistance to wear.
- Precision Performance: Built to ABEC1 tolerance class with a controlled MC3 radial internal clearance, ensuring smooth and consistent operation suitable for a wide range of precision applications.
FRW133zz Bearing Typical Application Areas
This bearing is ideally suited for:
- Small Electric Motors (e.g., in drones, RC models, small fans)
- Precision Instruments and optical devices
- Office Automation Equipment such as printers and scanners
- Medical Devices requiring compact, reliable rotary motion
- Various light-duty industrial machinery and guidance systems
