NC045AR0

3/8" Constant Section Bearings

NC045AR0 3/8" Constant Section Bearings
NC045AR0 3/8" Constant Section Bearings

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Part No.
Part No. NC045AR0

Basic Information

Bearing type Ball
System of measurement Inch
Thin section bearings type Endura-kote Plated
Construction Single Row
Weight 0.49 lbs
Tolerance class ABEC-1
ISO radial rating 2637 lbf
Seal type Open
For load direction Angular Contact

Main Dimensions

Bore diameter 4.5"
Bore diameter tolerance -0.0008"– 0"
Outside diameter 5.25"
Outside diameter tolerance -0.0008"– 0"
Width 0.375"
Width tolerance +.000 –.005"
Contact angle 30 °

Inner Ring Dimensions

Shoulder diameter inner ring 4.777"

Outer Ring Dimensions

Outer ring large-side face inner diameter 5.052"
Outer ring small-side face inner diameter 4.973"

Performance

Temperature range -30°C to 110 °C
Radial dynamic load rating 1234 lbf
Radial static load rating 2860 lbf
Axial static load rating 2990 lbf
Static load moment 8270 lbf
Lubrication Lubricated
Radial internal clearance 0.0000 – 0.0005"

Materials

Ring material Chrome Steel
Ball material Chrome Steel
Cage material Brass
Coating Chromium Plating

Environment & Compliance

ROHS Compliant
Technical Drawings No drawings available at the moment, will be launched soon
Price: $ 146.35 / each
In Stock

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NC045AR0 Bearing Product Overview & Core Advantages

The NC045AR0 is a single row angular contact ball bearing designed for precision applications requiring high reliability. Featuring inch dimensions and Endura-kote chromium plating, this bearing delivers exceptional corrosion resistance and durability. Its 30° contact angle provides superior axial load capacity while maintaining excellent radial load performance. With ABEC-1 precision tolerance and optimized internal clearance, this bearing ensures smooth operation and long service life in demanding environments.

NC045AR0 Bearing Model Code Explained, Specifications & Naming Convention

Code Segment Technical Meaning
NC045 Bearing series designation with 4.5" bore diameter
A Angular contact design with 30° contact angle
R0 Standard radial internal clearance specification

NC045AR0 Bearing Structural Features & Performance Benefits

Premium Material Construction: Manufactured from chrome steel rings and balls with brass cage, ensuring dimensional stability and wear resistance under heavy loads.

Enhanced Load Capacity: The angular contact design enables handling of combined radial and axial loads, with axial static load rating of 2990 lbf and radial dynamic load rating of 1234 lbf.

Corrosion Protection: Endura-kote chromium plating provides superior surface protection, extending bearing life in harsh environments and operating temperatures from -30°C to 110°C.

Precision Engineering: ABEC-1 tolerance class and tight dimensional controls ensure consistent performance and easy installation in precision applications.

NC045AR0 Bearing Typical Application Areas

  • Aerospace components and aircraft control systems
  • Medical equipment requiring precision motion control
  • Robotics and automation systems with space constraints
  • Industrial machinery with thin-section requirements
  • Precision instruments and optical positioning systems
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