307M
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.
307M
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.48 kg
Tolerance class
ABEC 1 | ISO P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
35 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
80 mm
Outside diameter tolerance
-0.013mm to 0
Width
21 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
7801 lbf
Radial static load rating
5957 lbf
Limiting speed
9.5 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:
$ 12.63
/ each
In Stock
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307M Bearing Product Overview & Core Advantages
The 307M metric ball bearing is a high-performance single row deep groove ball bearing designed for reliable operation in demanding industrial applications. Engineered to primarily handle radial loads, this bearing features an open design that facilitates easy re-lubrication. Manufactured from high-grade chrome steel for all critical components, it offers excellent durability and a long service life. Its ABEC 1 precision class ensures consistent performance, making it a cost-effective and robust solution for a wide range of machinery.
307M Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 307 | Standard bore diameter code, indicating a 35 mm bore. |
| M | Designates a machined brass cage (based on standard bearing nomenclature), offering high strength and suitability for a wide range of operating conditions. |
307M Bearing Structural Features & Performance Benefits
- Robust Construction: Built entirely from chrome steel (rings, balls, and cage), this bearing provides superior resistance to wear and fatigue, ensuring reliable performance under radial dynamic load ratings of 7801 lbf.
- High-Speed Capability: The machined brass cage and optimized internal geometry contribute to stable operation at limiting speeds up to 9,500 rpm.
- Precision & Stability: Manufactured to ABEC 1 (ISO P0) tolerance class with a standard CN radial internal clearance, it guarantees smooth running and minimal vibration.
- Versatile Operating Range: With a temperature range from -30°C to 120°C and an open seal type, it is adaptable to various environmental conditions when paired with the appropriate lubricant.
307M Bearing Typical Application Areas
This versatile single row ball bearing
Electric Motors and Generators
Industrial Gearboxes
Material Handling Equipment (e.g., conveyor pulleys)
Agricultural Machinery
General Industrial Machinery requiring reliable radial load support
