KC055XP0

3/8" Constant Section Bearings

KC055XP0 3/8" Constant Section Bearings
KC055XP0 3/8" Constant Section Bearings

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Part No.
Part No. KC055XP0

Basic Information

Bearing type Ball
System of measurement Inch
Thin section bearings type Reali-Slim Open
Construction Single Row
Weight 0.59 lbs
Tolerance class ABEC-1
Seal type Open
For load direction Four Point Contact

Main Dimensions

Bore diameter 5.5"
Bore diameter tolerance -0.0010"– 0"
Outside diameter 6.25"
Outside diameter tolerance -0.0010"– 0"
Width 0.375"
Width tolerance +.000 –.005"

Inner Ring Dimensions

Shoulder diameter inner ring 5.777"

Outer Ring Dimensions

Outer ring small-side face inner diameter 5.973"

Performance

Temperature range -30°C to 110 °C
Radial dynamic load rating 1687 lbf
Radial static load rating 2830 lbf
Axial dynamic load rating 2690 lbf
Axial static load rating 7060 lbf
Dynamic load moment 3717 lbf
Static load moment 8300 lbf
Rated load moment 3 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: $ 114.94 / each
In Stock

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KC055XP0 Bearing Product Overview & Core Advantages

The KC055XP0 is a high-performance thin section bearing engineered for applications demanding space optimization without compromising load capacity. As a Four Point Contact ball bearing, it uniquely handles combined radial and axial loads simultaneously in a compact design. Manufactured to ABEC-1 precision tolerances, it delivers reliable performance in precision motion systems. Its open construction allows for custom lubrication schemes, while the brass cage ensures smooth operation at moderate speeds, making it an ideal solution for robotics, aerospace, and medical equipment where precision and reliability are paramount.

KC055XP0 Bearing Model Code Explained, Specifications & Naming Convention

Code Segment Technical Meaning
KC Kaydon Reali-Slim bearing series designation
055 Bore diameter: 5.5 inches
X Cross section: 0.375 inches (X-series)
P Four Point Contact design
0 Open construction (no seals)

KC055XP0 Bearing Structural Features & Performance Benefits

Four Point Contact Design: The bearing's unique raceway geometry enables it to support combined radial and axial loads efficiently, eliminating the need for multiple bearing arrangements and reducing system complexity.

Thin Section Construction: With a consistent 0.375" cross-section regardless of bore size, this bearing provides maximum space savings while maintaining structural integrity and load capacity.

Precision Engineering: Manufactured to ABEC-1 standards with tight dimensional tolerances (±0.0010") ensures consistent performance and precise positioning in demanding applications.

High-Capacity Brass Cage: The brass cage provides excellent guidance and stability, contributing to smooth operation and extended service life under varying load conditions.

Material Excellence: Constructed from chrome steel for both rings and balls, delivering superior hardness, wear resistance, and durability in demanding environments.

KC055XP0 Bearing Typical Application Areas

  • Robotics: Joint actuators, rotary tables, and manipulator arms requiring compact, high-capacity bearings
  • Aerospace: Guidance systems, radar platforms, and satellite mechanisms
  • Medical Equipment: CT scanners, MRI machines, and surgical robotics
  • Industrial Automation: Rotary index tables, precision positioning stages
  • Optical Systems: Telescope mounts, mirror positioning mechanisms
  • Semiconductor Manufacturing: Wafer handling equipment and precision stages
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