1303 EM
1300 Series Self Aligning Ball Bearings
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Part No.
Part No.
1303 EM
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Double Row
Weight
0.13 kg
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
17 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
47 mm
Outside diameter tolerance
-0.011mm to 0
Width
14 mm
Width tolerance
-0.12mm to 0
Chamfer dimension
1 mm
Inner Ring Dimensions
Shoulder diameter inner ring
28.88 mm
Outer Ring Dimensions
Shoulder diameter outer ring
40 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
2858 lbf
Radial static load rating
765 lbf
Limiting speed
20 X 1000 rpm
Lubrication
Lubricated
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Brass
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 13.95
/ each
In Stock
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1303 EM Bearing Product Overview & Core Advantages
The 1303 EM is a double row deep groove ball bearing designed for applications requiring robust performance and high reliability. This metric bearing excels in handling significant radial loads while maintaining stable operation. Its open design facilitates easy re-lubrication, making it suitable for a wide operating temperature range from -30°C to 110°C. The combination of a brass cage and high-grade chrome steel construction ensures durability and consistent performance in demanding environments.
1303 EM Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 1303 | Basic bearing designation, indicating a double row deep groove ball bearing with a 17 mm bore diameter. |
| EM | Signifies the bearing is lubricated with a high-performance grease, providing optimal initial lubrication for immediate operation. |
1303 EM Bearing Structural Features & Performance Benefits
- High Load Capacity & Rigidity: The double row ball complement significantly increases the radial dynamic load rating (2858 lbf) and static load rating (765 lbf), providing superior stiffness and resistance to deformation under heavy loads.
- Optimized for Speed: The robust brass cage effectively guides the balls, contributing to smooth operation and enabling a high limiting speed of 20,000 rpm.
- Durable Construction: Rings and balls made from chrome steel offer excellent wear resistance and fatigue life. The open seal design allows for versatile lubrication options to suit specific application needs.
- Precision Dimensions: Manufactured with tight tolerances on the bore diameter, outside diameter, and width for precise fit and reliable performance in high-accuracy assemblies.
1303 EM Bearing Typical Application Areas
This bearing is ideally suited for a variety of industrial applications, including:
- Electric Motors and Generators
- Gearboxes and Transmission Systems
- Industrial Fans and Blowers
- Material Handling Equipment
- Agricultural Machinery
