JA042XP0
1/4" Constant Section Bearings
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Part No.
Part No.
JA042XP0
Basic Information
Bearing type
Ball
System of measurement
Inch
Thin section bearings type
Reali-Slim Sealed
Construction
Single Row
Weight
0.2 lbs
Tolerance class
ABEC-1
Seal type
Sealed
For load direction
Four Point Contact
Main Dimensions
Bore diameter
4.25"
Bore diameter tolerance
-0.0008"– 0"
Outside diameter
4.75"
Outside diameter tolerance
-0.0008"– 0"
Width
0.25"
Width tolerance
+.000 –.005"
Inner Ring Dimensions
Shoulder diameter inner ring
4.398"
Outer Ring Dimensions
Outer ring small-side face inner diameter
4.606"
Performance
Temperature range
-30°C to 110 °C
Radial dynamic load rating
783 lbf
Radial static load rating
1370 lbf
Axial dynamic load rating
1260 lbf
Axial static load rating
3410 lbf
Dynamic load moment
1321 lbf
Static load moment
3070 lbf
Rated load moment
1 ft-lbf
Lubrication
Lubricated
Radial internal clearance
0.0000 – 0.0005"
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Brass
Environment & Compliance
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 112.13
/ each
In Stock
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JA042XP0 Bearing Product Overview & Core Advantages
The JA042XP0 is a high-performance thin section sealed bearing designed for applications demanding precision and space optimization. As a Four Point Contact Ball Bearing, it excels at simultaneously handling combined radial and axial loads from any direction. Its compact cross-section, with a width of only 0.25", makes it ideal for lightweight, high-rigidity designs in precision equipment. The bearing comes pre-lubricated and sealed, ensuring long-term, maintenance-free operation and reliable performance within a specified temperature range.
JA042XP0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| JA042 | Indicates the specific bearing series and size designation (4.25" Bore). |
| XP0 | Signifies a sealed construction and specific internal design for the Reali-Slim series, offering protection against contaminants. |
JA042XP0 Bearing Structural Features & Performance Benefits
- Four Point Contact Design: This unique geometry allows a single row of balls to support significant combined radial and axial loads from any direction, simplifying assembly and reducing the need for multiple bearing arrangements.
- Thin Section Construction: The slim 0.25" cross-section provides significant weight savings and enables compact, lightweight machinery designs without sacrificing performance.
- Sealed & Lubricated for Life: Integrated seals protect the bearing from contaminants and retain the factory-applied lubricant, enabling maintenance-free operation and enhancing service life in various environments.
- High Rigidity & Precision: Manufactured to ABEC-1 tolerance standards, this bearing ensures consistent running accuracy and contributes to the overall stiffness of the system.
- Robust Material Selection: Components made from Chrome Steel and a Brass cage provide excellent durability, wear resistance, and stable operation.
JA042XP0 Bearing Typical Application Areas
This bearing is engineered for use in a wide range of precision machinery and equipment where space and weight are critical constraints. Key applications include:
- Robotics and Automation Arms/Joints
- Aerospace Actuation Systems and Control Surfaces
- Medical Equipment (e.g., MRI Scanners, Surgical Robots)
- Semiconductor Manufacturing Equipment
- Precision Optical Positioning Systems
- Radar and Satellite Communication Gimbals
