JA020XP0
1/4" Constant Section Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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JA020XP0 Bearing Product Overview & Core Advantages
The JA020XP0 is a Four Point Contact thin section bearing designed for applications requiring exceptional space optimization and precision performance. This sealed bearing features a single row construction that can simultaneously support combined loads (radial, axial, and moment loads) with high efficiency. Manufactured to ABEC-1 precision standards, it delivers reliable operation in compact assemblies where high rigidity and accurate rotational performance are critical. Its pre-lubricated and sealed design ensures long-term, maintenance-free operation.
JA020XP0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| JA020XP0 | Manufacturer's specific series designation for a thin-section, four-point contact ball bearing. |
| Sealed | Integral contact seals to protect against contamination and retain lubricant. |
| Four Point Contact | The raceway geometry allows the bearing to support radial, axial, and moment loads in a compact, single-row design. |
| ABEC-1 | Specifies the precision tolerance class, ensuring consistent running accuracy. |
JA020XP0 Bearing Structural Features & Performance Benefits
High Load Capacity in a Slim Profile: Despite its thin bearing cross-section (0.25" width), the four-point contact design and chrome steel construction provide impressive load ratings (Radial Dynamic: 514 lbf, Axial Dynamic: 790 lbf) and a high static load moment of 770 ft-lbf, enabling it to handle complex combined loads.
Precision and Rigidity: The ABEC-1 tolerance class and tight internal clearance (0.0000 – 0.0005") ensure smooth, precise rotation with minimal runout, which is essential for high-accuracy applications. The brass cage contributes to stable operation under varying speeds.
Maintenance-Free Operation: The integral seals effectively shield the bearing from contaminants while retaining the factory-applied lubricant. This sealed and pre-lubricated design offers long service life without requiring re-lubrication, suitable for a temperature range of -30°C to 110°C.
JA020XP0 Bearing Typical Application Areas
- Robotics: Joints, actuators, and rotary modules where space and weight are constrained.
- Aerospace & Defense: Gimbals, control mechanisms, and instrumentation requiring high precision and reliability.
- Medical Equipment: Surgical robots, imaging scanners, and precision positioning stages.
- Semiconductor Manufacturing: Wafer handling robots and precision stages demanding clean, accurate motion.
- Optical and Instrumentation Systems: Rotary tables and scanning mirrors where minimal deflection and high rigidity are critical.
