JU120XP0
3/8" 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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JU120XP0 Bearing Product Overview & Core Advantages
The JU120XP0 is a high-performance thin section sealed bearing designed for applications requiring exceptional precision and space optimization. As a Four Point Contact ball bearing, it efficiently handles combined radial and axial loads in all directions from a single bearing row. Its compact cross-section (0.5" width) and inch-system sizing make it ideal for robotics, aerospace, and medical equipment where minimizing weight and envelope size is critical while maintaining high load capacity and operational reliability.
JU120XP0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| JU120XP0 | Manufacturer's specific model designation for this thin section bearing series |
| Sealed | Integrated sealing system providing superior contamination protection |
| Four Point Contact | Ball-raceway contact geometry enabling multi-directional load support |
| Lubricated | Factory-preloaded lubrication for immediate operation and extended service life |
JU120XP0 Bearing Structural Features & Performance Benefits
Compact Design with High Load Capacity: Despite its slim 0.5" width, the bearing delivers impressive load ratings (Radial Dynamic: 2622 lbf, Axial Dynamic: 4420 lbf) through optimized Four Point Contact geometry and premium Chrome Steel construction.
Precision Engineering: Manufactured to ABEC-1 tolerance standards with tight dimensional control (bore and OD tolerance: -0.0014" to 0"), ensuring precise fitment and smooth operation in high-accuracy applications.
Enhanced Durability: The combination of brass cage for stable ball guidance, sealed construction for contamination exclusion, and pre-applied lubrication creates a robust, maintenance-free solution capable of operating across a wide temperature range (-30°C to 110°C).
Moment Load Capability: With specified dynamic load moment (12174 lbf) and static load moment (36830 lbf) ratings, the bearing effectively resists overturning moments in demanding applications.
JU120XP0 Bearing Typical Application Areas
- Robotics: Joint actuators, rotary tables, and manipulator arms requiring compact, high-capacity bearings
- Aerospace Systems: Guidance mechanisms, control surfaces, and instrumentation where weight savings are critical
- Medical Equipment: CT scanners, surgical robots, and diagnostic devices demanding precision and reliability
- Semiconductor Manufacturing: Precision stages, wafer handling equipment, and positioning systems
- Optical Instrumentation: Rotary stages, mirror mounts, and tracking systems requiring minimal deflection
