KB025XP0
5/16" Constant Section Bearings
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Part No.
Part No.
KB025XP0
Basic Information
Bearing type
Ball
System of measurement
Inch
Thin section bearings type
Reali-Slim Open
Construction
Single Row
Weight
0.19 lbs
Tolerance class
ABEC-1
Seal type
Open
For load direction
Four Point Contact
Main Dimensions
Bore diameter
2.5"
Bore diameter tolerance
-0.0006"- 0"
Outside diameter
3.125"
Outside diameter tolerance
-0.0005"- 0"
Width
0.3125"
Width tolerance
+.000 –.005"
Inner Ring Dimensions
Shoulder diameter inner ring
2.731"
Outer Ring Dimensions
Outer ring small-side face inner diameter
2.893"
Performance
Temperature range
-30°C to 110 °C
Radial dynamic load rating
848 lbf
Radial static load rating
1140 lbf
Axial dynamic load rating
1290 lbf
Axial static load rating
2840 lbf
Dynamic load moment
895 lbf
Static load moment
1600 lbf
Rated load moment
895 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:
$ 53.81
/ each
In Stock
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KB025XP0 Bearing Product Overview & Core Advantages
The KB025XP0 is a thin-section four-point contact ball bearing engineered for applications demanding high precision and space optimization. Manufactured to ABEC-1 precision standards, this single-row bearing excels at simultaneously handling combined radial and axial loads from any direction. Its compact cross-section, with a width of just 0.3125", makes it an ideal solution for lightweight, high-rigidity designs where minimizing envelope size is critical. The open construction allows for versatile lubrication options, ensuring optimal performance across its specified temperature range.
KB025XP0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| KB | Indicates the Reali-Slim® series of thin-section bearings. |
| 025 | Specifies the bore diameter of 2.5 inches. |
| X | Denotes the cross-section size (3/16" series). |
| P | Signifies Four-Point Contact design for combined loads. |
| 0 | Indicates Open construction (no seals or shields). |
KB025XP0 Bearing Structural Features & Performance Benefits
- Four-Point Contact Design: The unique raceway geometry allows a single bearing to support radial, axial, and moment loads simultaneously, simplifying assembly and reducing the overall component count in compact machinery.
- High Rigidity & Load Capacity: The robust chrome steel construction and optimized contact angle contribute to high system stiffness. It offers a substantial dynamic load moment rating of 895 ft-lbf and a static load moment of 1600 ft-lbf.
- Precision Performance: Built to ABEC-1 tolerance class with a controlled radial internal clearance, this bearing ensures smooth, precise rotation with minimal runout, which is critical for accurate positioning systems.
- Durable Construction: The brass cage provides excellent guidance and stability at moderate speeds, while the use of high-grade chrome steel for both rings and balls ensures long-term durability and wear resistance.
KB025XP0 Bearing Typical Application Areas
- Robotics: Ideal for robot joints, grippers, and rotary actuators where compact size and multi-directional load capacity are paramount.
- Aerospace & Defense: Used in gimbals, radar systems, and control surface mechanisms due to its lightweight design and precision.
- Medical Equipment: Suitable for CT scanners, surgical robots, and imaging devices requiring smooth, precise, and reliable motion.
- Semiconductor Manufacturing: Applied in wafer handling robots and precision stages that demand high rigidity and minimal particle generation.
- Industrial Automation: Perfect for rotary tables, indexing heads, and other precision positioning equipment.
