JB040CP0

5/16" Constant Section Bearings

JB040CP0 5/16" Constant Section Bearings
JB040CP0 5/16" Constant Section Bearings

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Part No.
Part No. JB040CP0

Basic Information

Bearing type Ball
System of measurement Inch
Thin section bearings type Reali-Slim Sealed
Construction Single Row
Weight 0.3 lbs
Tolerance class ABEC-1
ISO radial rating 1827 lbf
Seal type Sealed
For load direction Radial

Main Dimensions

Bore diameter 4"
Bore diameter tolerance -0.0008"– 0"
Outside diameter 4.625"
Outside diameter tolerance -0.0006"– 0"
Width 0.3125"
Width tolerance +.000 –.005"

Inner Ring Dimensions

Shoulder diameter inner ring 4.199"

Outer Ring Dimensions

Outer ring small-side face inner diameter 4.425"

Performance

Temperature range -30°C to 110 °C
Radial dynamic load rating 825 lbf
Radial static load rating 1750 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: $ 91.95 / each
In Stock

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JB040CP0 Bearing Product Overview & Core Advantages

The JB040CP0 is a high-performance thin section sealed bearing designed for applications requiring compact design and reliable operation. Manufactured to ABEC-1 precision standards, this single-row ball bearing excels in handling radial loads while offering excellent dimensional stability. Its sealed construction and factory-applied lubrication ensure long service life with minimal maintenance, making it ideal for space-constrained, precision assemblies demanding consistent performance.

Model Code Breakdown

Code Segment Technical Meaning
JB040 Reali-Slim series bearing with 4" bore diameter
C Radial internal clearance specification
P0 Normal precision grade (equivalent to ABEC-1)

JB040CP0 Bearing Structural Features & Performance Benefits

Compact Cross-Section Design: With a width of only 0.3125" and optimized thin-section geometry, this bearing provides maximum load capacity in minimal space, enabling lightweight and compact machinery designs.

Enhanced Sealing Performance: The integrated sealed construction effectively prevents contamination ingress while retaining lubricant, ensuring reliable operation in demanding environments and extending service intervals.

Precision Engineering: Manufactured to ABEC-1 tolerance class with chrome steel rings and balls, the bearing delivers consistent performance and smooth operation essential for precision applications.

Optimized Load Capacity: Featuring a radial dynamic load rating of 825 lbf and static load rating of 1750 lbf, this bearing provides reliable performance under substantial radial loading conditions.

JB040CP0 Bearing Typical Application Areas

  • Robotics and Automation: Joint bearings, rotary actuators, and precision positioning systems
  • Aerospace Systems: Control mechanisms, instrumentation, and auxiliary equipment
  • Medical Equipment: Imaging devices, surgical robots, and diagnostic instruments
  • Semiconductor Manufacturing: Wafer handling equipment and precision positioning stages
  • Optical Systems: Rotary stages, mirror mounts, and precision scanning mechanisms
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