KD300XP0
1/2" Constant Section Bearings
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Part No.
Part No.
KD300XP0
Basic Information
Bearing type
Ball
System of measurement
Inch
Thin section bearings type
Reali-Slim Open
Construction
Single Row
Weight
5.73 lbs
Tolerance class
ABEC-1
Seal type
Open
For load direction
Four Point Contact
Main Dimensions
Bore diameter
30"
Bore diameter tolerance
-0.0018"– 0"
Outside diameter
31"
Outside diameter tolerance
-0.0018"– 0"
Width
0.5"
Width tolerance
+.000 –.010"
Inner Ring Dimensions
Shoulder diameter inner ring
30.37"
Outer Ring Dimensions
Outer ring small-side face inner diameter
30.63"
Performance
Temperature range
-30°C to 110 °C
Radial dynamic load rating
6856 lbf
Radial static load rating
20860 lbf
Axial dynamic load rating
12600 lbf
Axial static load rating
52160 lbf
Dynamic load moment
78447 lbf
Static load moment
318100 lbf
Rated load moment
78 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:
$ 3731.27
/ each
In Stock
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KD300XP0 Bearing Product Overview & Core Advantages
The KD300XP0 is a high-performance thin section bearing designed for applications requiring exceptional precision and space optimization. As a Four Point Contact ball bearing, it excels at simultaneously handling combined radial and axial loads from any direction. Its inch-series construction, featuring a large 30-inch bore within a compact 0.5-inch cross-section, provides a superior stiffness-to-weight ratio. Manufactured to ABEC-1 precision standards, this bearing is engineered for high reliability in demanding, compact assemblies.
KD300XP0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| KD300 | Base model identifier for the Reali-Slim® open bearing series with a 30-inch bore. |
| XP0 | Specifies the Four Point Contact design and Open (unsealed) configuration, allowing for direct lubrication. |
KD300XP0 Bearing Structural Features & Performance Benefits
- Four Point Contact Design: The unique raceway geometry allows a single bearing to support substantial radial, axial, and moment loads, simplifying assembly design and reducing the need for multiple bearing sets.
- High Load Capacity: Engineered with Chrome Steel rings and balls, this bearing offers high dynamic and static load ratings (6856 lbf radial dynamic, 12600 lbf axial dynamic), ensuring longevity under strenuous operating conditions.
- Precision & Rigidity: The ABEC-1 tolerance class and controlled radial internal clearance (0.0000 – 0.0005") contribute to precise rotational accuracy and high system rigidity.
- Optimized Cage: The Brass cage provides excellent durability and guidance for the balls, promoting smooth operation and stability at moderate speeds.
- Broad Temperature Range: Suitable for operation from -30°C to 110°C, making it versatile for various industrial environments.
KD300XP0 Bearing Typical Application Areas
This bearing is ideally suited for compact, high-load machinery where space and weight are critical constraints. Key applications include:
- Robotics: Rotary joints and actuators.
- Aerospace: Control mechanisms, gimbal systems, and satellite components.
- Semiconductor Manufacturing: Precision stages and wafer handling equipment.
- Medical Equipment: CT scanners and MRI systems.
- Industrial Automation: Rotary tables and indexing heads.
