KB030XP0
5/16" Constant Section Bearings
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Part No.
Part No.
KB030XP0
Basic Information
Bearing type
Ball
System of measurement
Inch
Thin section bearings type
Reali-Slim Open
Construction
Single Row
Weight
0.24 lbs
Tolerance class
ABEC-1
Seal type
Open
For load direction
Four Point Contact
Main Dimensions
Bore diameter
3"
Bore diameter tolerance
-0.0006"- 0"
Outside diameter
3.625"
Outside diameter tolerance
-0.0006"- 0"
Width
0.3125"
Width tolerance
+.000 –.005"
Inner Ring Dimensions
Shoulder diameter inner ring
3.231"
Outer Ring Dimensions
Outer ring small-side face inner diameter
3.393"
Performance
Temperature range
-30°C to 110 °C
Radial dynamic load rating
933 lbf
Radial static load rating
1340 lbf
Axial dynamic load rating
1440 lbf
Axial static load rating
3350 lbf
Dynamic load moment
1159 lbf
Static load moment
2220 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:
$ 58.55
/ each
In Stock
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KB030XP0 Bearing Product Overview & Core Advantages
The KB030XP0 is a high-performance thin section bearing designed for applications demanding compact design and high precision. As a Four Point Contact ball bearing, it excels at simultaneously handling combined loads, including radial, axial, and moment loads, within a minimal cross-section. Its inch-series dimensions (3" bore) and ABEC-1 precision make it an ideal solution for space-constrained, high-rigidity systems requiring reliable operation.
KB030XP0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| KB | Kaydon® Reali-Slim® bearing series identifier |
| 030 | Cross-section designation (indicating the specific thin-wall geometry) |
| XP | Four Point Contact ball bearing design |
| 0 | Open (unsealed) construction |
KB030XP0 Bearing Structural Features & Performance Benefits
- Four Point Contact Design: A single bearing row with a unique raceway geometry that provides four points of contact between the balls and raceways. This enables the bearing to support combined radial, axial, and moment loads efficiently, often eliminating the need for complex multi-bearing arrangements.
- High Rigidity & Space Savings: The thin section construction (0.3125" width) minimizes weight and envelope size while the robust design provides high stiffness against deflection under load, crucial for maintaining precision.
- Precision Performance: Manufactured to ABEC-1 tolerance standards, ensuring consistent running accuracy and smooth operation for precision applications.
- Durable Material Construction: Features rings and balls made from Chrome Steel for high load capacity and wear resistance, combined with a Brass cage for stable operation at moderate speeds.
- Pre-lubricated: Comes lubricated from the factory for immediate installation and initial operation, suitable for a standard temperature range of -30°C to 110°C.
KB030XP0 Bearing Typical Application Areas
- Robotics & Automation: Rotary joints, robot arms, and gantry systems where compact design and moment load capacity are critical.
- Aerospace & Defense: Radar platforms, gimbal systems, and control surface actuators.
- Medical Equipment: CT scanners, MRI machines, and surgical robot joints requiring high precision and reliability.
- Semiconductor Manufacturing: Wafer handling robots and precision stages.
- Optical & Instrumentation: Rotary tables, positioning devices, and precision measuring equipment.
