SMR126zz
SMR Series Stainless Steel Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
SMR126zz
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
1.66 g
Tolerance class
ABEC1
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
6 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
12 mm
Outside diameter tolerance
-0.008mm to 0
Width
4 mm
Width tolerance
-0.12mm to 0
Inner Ring Dimensions
Inner ring type
Standard
Ball & Washer Dimensions
Ball diameter
1.588 mm
Ball quantity
8
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
123 lbf
Radial static load rating
48 lbf
Limiting speed
38.7 X 1000 rpm
Lubrication
Required
Radial internal clearance
MC3
Radial internal clearance
0.002mm to 0.013mm
Materials
Ring material
Stainless Steel
Ball material
Stainless 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:
$ 1.35
/ each
In Stock
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SMR126zz Bearing Product Overview & Core Advantages
The SMR126zz is a miniature deep groove ball bearing engineered for precision and reliability in compact applications. Constructed entirely from stainless steel, it offers excellent corrosion resistance. Its shielded design (zz) provides effective protection against contamination while the ABEC1 precision class ensures smooth, quiet operation. This bearing is designed to primarily handle radial loads and is characterized by its small bearing dimensions (6mm bore, 12mm OD, 4mm width), making it an ideal solution for applications demanding high performance in a minimal space envelope.
SMR126zz Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| SMR | Manufacturer series prefix for miniature bearings. |
| 12 | Bore diameter code, corresponding to a 6 mm bore. |
| 6 | Size series code, defining the cross-section. |
| zz | Indicates the bearing is fitted with shields on both sides. This protects the internal components from large particulate contaminants. |
SMR126zz Bearing Structural Features & Performance Benefits
- Robust Stainless Steel Construction: All components, including rings, balls, and cage, are made from stainless steel, providing superior corrosion resistance and durability in harsh environments.
- Effective Contamination Protection: The non-contact stainless steel shields (zz) help retain lubrication and exclude larger contaminants, contributing to a longer service life without the higher torque of contact seals.
- Optimized Internal Geometry: The deep groove raceway and the use of eight precision balls enable efficient handling of radial loads.
- Precision Performance: Manufactured to ABEC1 tolerance class with a controlled radial internal clearance (MC3), this bearing ensures consistent, low-vibration operation suitable for precision mechanisms.
- High-Speed Capability: With a limiting speed of 38,700 rpm, it is well-suited for high-speed applications such as small spindles and motors.
SMR126zz Bearing Typical Application Areas
- Small Electric Motors: Ideal for brushless DC motors, stepper motors, and miniature fans.
- Precision Instruments: Used in optical encoders, medical devices, and laboratory equipment.
- Office Automation Equipment: Critical component in printers, scanners, and copiers.
- Radio-Controlled Models: Commonly found in high-performance hobbyist cars, drones, and helicopters.
- Computer Hardware: Used in cooling fans for CPUs and GPUs.
