KF050XP0

3/4" Constant Section Bearings

KF050XP0 3/4" Constant Section Bearings
KF050XP0 3/4" Constant Section Bearings

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Part No.
Part No. KF050XP0

Basic Information

Bearing type Ball
System of measurement Inch
Thin section bearings type Reali-Slim Open
Construction Single Row
Weight 2.3 lbs
Tolerance class ABEC-1
Seal type Open
For load direction Four Point Contact

Main Dimensions

Bore diameter 5"
Bore diameter tolerance -0.0010"– 0"
Outside diameter 6.5"
Outside diameter tolerance -0.0008"– 0"
Width 0.75"
Width tolerance +.000 –.005"

Inner Ring Dimensions

Shoulder diameter inner ring 5.555"

Outer Ring Dimensions

Outer ring small-side face inner diameter 5.945"

Performance

Temperature range -30°C to 110 °C
Radial dynamic load rating 5172 lbf
Radial static load rating 6490 lbf
Axial dynamic load rating 7760 lbf
Axial static load rating 16220 lbf
Dynamic load moment 11157 lbf
Static load moment 18660 lbf
Rated load moment 11 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: $ 128.82 / each
In Stock

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KF050XP0 Bearing Product Overview & Core Advantages

The KF050XP0 is a high-performance Four Point Contact Ball Bearing from the Reali-Slim Open Bearings series, designed for applications demanding compact cross-sections and high load capacity. This thin section bearing features a single row design and an open configuration, enabling it to simultaneously support significant combined radial and axial loads from any direction. Manufactured to ABEC-1 precision tolerances, it is engineered for high reliability in precision equipment where space and weight are critical constraints.

KF050XP0 Bearing Model Code Explained, Specifications & Naming Convention

The model number KF050XP0 can be broken down as follows:

  • KF: Denotes the Reali-Slim® series.
  • 050: Indicates a 5-inch bore diameter.
  • X: Signifies a Four Point Contact design.
  • P0: Refers to the standard radial internal clearance and standard tolerance (ABEC-1).

KF050XP0 Bearing Structural Features & Performance Benefits

The bearing's performance is derived from its unique construction:

  • Four Point Contact & High Load Capacity: The raceway geometry allows the bearing to carry substantial combined loads (radial, axial, and moment loads) efficiently. This is evidenced by its high dynamic and static load ratings for both radial (5172 lbf dynamic) and axial (7760 lbf dynamic) directions.
  • Compact & Lightweight Design: As a thin section bearing with a cross-section of only 0.75", it offers significant space and weight savings (just 2.3 lbs) without compromising strength.
  • Precision & Rigidity: Built to ABEC-1 tolerance standards with a tight radial internal clearance (0.0000 – 0.0005"), it ensures smooth, precise operation and high system rigidity.
  • Durable Material Construction: Components made from Chrome Steel (rings and balls) and a Brass cage provide excellent durability and reliable performance across a wide temperature range of -30°C to 110°C.

KF050XP0 Bearing Typical Application Areas

The KF050XP0 is ideally suited for a wide range of compact, high-performance machinery, including:

  • Robotics (Robotic arms and joints)
  • Aerospace & Defense (Gimbals, radar platforms, control surfaces)
  • Medical Equipment (CT scanners, surgical robots)
  • Semiconductor Manufacturing (Wafer handling robots, precision stages)
  • Industrial Automation (Rotary tables, indexing heads)
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