309SF
200, 300 & 6400 Series Industrial Single Row Deep Groove Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
309SF
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.88 kg
Tolerance class
ABEC 1 | ISO P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
45 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
100 mm
Outside diameter tolerance
-0.015mm to 0
Width
25 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
12364 lbf
Radial static load rating
9892 lbf
Limiting speed
7.5 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 15.28
/ each
In Stock
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309SF Bearing Product Overview & Core Advantages
The 309SF is a single row deep groove ball bearing designed for exceptional performance in general industrial applications. Engineered to primarily handle radial loads, it features an open design that facilitates easy re-lubrication and maintenance. Manufactured with high-precision ABEC 1 (ISO P0) tolerances and standard CN radial internal clearance, this bearing offers reliable operation and consistent performance. Its robust construction from chrome steel ensures durability and a long service life, making it a cost-effective and dependable choice for a wide range of machinery.
309SF Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| 309 | Standard bearing series number, indicating the basic dimensions: 45mm bore, 100mm OD, 25mm width. |
| SF | Designates a Snap-Type Steel Cage. This cage design provides high strength and is suitable for high-speed operation. |
309SF Bearing Structural Features & Performance Benefits
- High Load Capacity: The deep groove raceway and robust construction enable it to support significant radial dynamic load ratings of 12,364 lbf and static load ratings of 9,892 lbf.
- Optimized for Speed: The snap-type steel cage (SF) ensures stability and guides the balls effectively, contributing to a high limiting speed of 7,500 rpm.
- Precision Engineering: Manufactured to ABEC 1 precision class with tight dimensional tolerances, ensuring smooth running and reduced vibration for general precision applications.
- Versatile & Serviceable: The open seal type allows for easy cleaning and re-lubrication, extending bearing life in various operating conditions. It operates effectively within a temperature range of -30°C to 120°C.
309SF Bearing Typical Application Areas
This versatile ball bearing is commonly found in:
- Electric Motors and Generators
- Industrial Gearboxes
- Material Handling Equipment (Conveyors, Pulleys)
- Agricultural Machinery
- Pumps and Fans
- General Industrial Machinery requiring reliable radial load support.
