KA040CP0

1/4" Constant Section Bearings

KA040CP0 1/4" Constant Section Bearings
KA040CP0 1/4" Constant Section Bearings

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Part No.
Part No. KA040CP0

Basic Information

Bearing type Ball
System of measurement Inch
Thin section bearings type Reali-Slim Open
Construction Single Row
Weight 1205 lbs
Tolerance class ABEC-1
ISO radial rating 1289 lbf
Seal type Open
For load direction Radial

Main Dimensions

Bore diameter 4"
Bore diameter tolerance -0.0008" – 0"
Outside diameter 4.5"
Outside diameter tolerance -0.0006" – 0"
Width 0.25"
Width tolerance +.000 –.005"

Inner Ring Dimensions

Shoulder diameter inner ring 4.186"

Outer Ring Dimensions

Outer ring small-side face inner diameter 4.314"

Performance

Temperature range -30°C to 110 °C
Radial dynamic load rating 756 lbf
Radial static load rating 1290 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: $ 48.18 / each
In Stock

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KA040CP0 Bearing Product Overview & Core Advantages

The KA040CP0 is a thin section bearing from the Reali-Slim Open Bearings series designed in inch measurements. This single row ball bearing excels in applications requiring compact design and weight savings while maintaining reliable performance. Its open construction allows for versatile lubrication options and facilitates easy maintenance. Engineered with precision ABEC-1 tolerances, it delivers consistent operation in radial load applications where space constraints are critical.

KA040CP0 Bearing Model Code Explained, Specifications & Naming Convention

Code Segment Technical Meaning
KA Reali-Slim series identifier
040 Bore diameter: 4 inches
C Cross section size designation
P0 Normal precision level (equivalent to ABEC-1)

KA040CP0 Bearing Structural Features & Performance Benefits

Optimized Thin-Section Design: With a consistent 0.25" cross-section width, this bearing enables space-saving solutions without compromising structural integrity, making it ideal for compact machinery designs.

Premium Material Construction: Featuring chrome steel rings and balls with a brass cage, the bearing delivers excellent durability and consistent performance under radial dynamic loads up to 756 lbf and static loads up to 1290 lbf.

Precision Engineering: Manufactured to ABEC-1 tolerance standards with controlled radial internal clearance (0.0000 – 0.0005"), ensuring smooth operation and reduced vibration in precision applications.

Versatile Temperature Performance: Operating range of -30°C to 110°C accommodates various industrial environments while maintaining reliable performance.

KA040CP0 Bearing Typical Application Areas

  • Robotics and Automation Systems - Joint and articulation points requiring compact bearing solutions
  • Aerospace Equipment - Control mechanisms and actuation systems where weight and space are critical
  • Medical Devices - Imaging equipment, surgical robots, and precision instruments
  • Semiconductor Manufacturing - Wafer handling equipment and precision positioning systems
  • Optical and Instrumentation Systems - Rotary stages and precision measurement devices
  • Defense Systems - Radar antennas, guidance systems, and military equipment
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