RLS 44
RLS Series Single Row Deep Groove Ball Bearings
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Part No.
Part No.
RLS 44
Basic Information
Bearing type
Ball
System of measurement
Inch
Construction
Single Row
Weight
6.04 kg
Tolerance class
P6
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
5.5"
Bore diameter tolerance
-0.00031" to 0.00019"
Outside diameter
9.5"
Outside diameter tolerance
-0.00181" to -0.00129"
Width
1.375"
Width tolerance
-0.005" to 0"
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
35070 lbf
Radial static load rating
32822 lbf
Limiting speed
3.4 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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RLS 44 Bearing Product Overview & Core Advantages
The RLS 44 is a single row deep groove ball bearing engineered for demanding industrial applications requiring high radial load capacity and precision operation. Manufactured to a P6 tolerance class, this bearing offers superior dimensional accuracy and running performance. Its open design facilitates direct lubrication, making it suitable for systems with centralized lubrication or specific grease requirements. The combination of chrome steel rings and balls, along with a stainless steel cage, ensures excellent durability and reliable performance in a wide operating temperature range from -30°C to 120°C.
RLS 44 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| RLS 44 | Standard designation for this specific inch series deep groove ball bearing. |
| Open | No seals or shields, allowing for high-speed operation and custom lubrication. |
| P6 | Indicates a tolerance class tighter than standard, providing enhanced running accuracy. |
| CN | Specifies the standard (normal) group of radial internal clearance. |
RLS 44 Bearing Structural Features & Performance Benefits
- High Radial Load Capacity: With a dynamic load rating of 35,070 lbf and a static load rating of 32,822 lbf, this bearing is built to handle significant radial forces in heavy-duty machinery.
- Precision Engineering: The P6 tolerance class ensures minimal runout and vibration, which is critical for applications requiring high rotational accuracy.
- Robust Material Construction: The use of chrome steel for rings and balls, combined with a stainless steel cage, provides excellent resistance to wear and corrosion, contributing to a long service life.
- Versatile Lubrication: The open seal type allows for flexibility in lubrication strategy, enabling the use of specialized greases or oil systems to optimize performance for specific speed and temperature conditions, supporting a limiting speed of 3,400 rpm.
RLS 44 Bearing Typical Application Areas
This bearing is ideally suited for applications where high radial loads and precision are paramount. Key industries and equipment include:
- Industrial Gearboxes and Transmissions
- Large Electric Motors and Generators
- Material Handling Equipment (e.g., conveyor pulleys)
- Agricultural and Construction Machinery
- Pulp and Paper Processing Equipment
