KD045XP0
1/2" 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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KD045XP0 Bearing Product Overview & Core Advantages
The KD045XP0 is a high-performance Four Point Contact Ball Bearing from the Reali-Slim Open Bearings series, designed in inch dimensions for applications demanding compact cross-sections and high load capacity. This thin section bearing is engineered with a Single Row construction to simultaneously handle significant combined radial and axial loads from any direction. Its ABEC-1 precision and optimized internal geometry ensure smooth operation and high reliability in space-constrained, high-performance systems.
KD045XP0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| KD | Series designation for Kaydon® Reali-Slim bearings |
| 045 | Bore diameter: 4.5 inches |
| X | Cross-section series (1-inch OD - 0.5-inch width) |
| P | Four Point Contact design |
| 0 | Open (unsealed) construction |
KD045XP0 Bearing Structural Features & Performance Benefits
- Four Point Contact Design: Enables the bearing to support substantial combined loads (radial, axial, and moment loads) efficiently in a single, compact unit, eliminating the need for multiple bearing arrangements.
- Thin Section Construction: With a consistent 0.5-inch width across increasing diameters, it provides maximum space and weight savings, crucial for robotics and aerospace applications.
- High Load Capacity: Engineered for high static and dynamic load ratings (Radial Static: 3420 lbf, Axial Static: 8550 lbf), ensuring durability under demanding conditions.
- Precision Performance: Manufactured to ABEC-1 tolerance class with controlled radial internal clearance (0.0000 – 0.0005") for smooth, precise rotation and reduced vibration.
- Premium Materials: Features Chrome Steel rings and balls with a Brass cage for strength, corrosion resistance, and reliable operation across a temperature range of -30°C to 110°C.
KD045XP0 Bearing Typical Application Areas
The KD045XP0 is ideally suited for precision machinery where bearing size and weight are critical constraints. Key industries and equipment include:
- Robotics: Rotary joints, robotic arms, and end-effectors
- Aerospace & Defense: Radar platforms, gimbal systems, and flight control mechanisms
- Medical Equipment: CT scanners, MRI machines, and surgical robots
- Semiconductor Manufacturing: Wafer handling robots and precision stages
- Industrial Automation: Rotary tables, indexing heads, and precision gearboxes
