Thomson 4RJG4


Precision Ball, Chrome, 3/8 In, Pk 50

4RJG4 637908
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ItemPrecision Ball
TypeNon-Corrosion Resistant
MaterialHigh Carbon Chrome Steel
Alloy Type52100
Dia. Tolerance+/-0.0001"
Min. Crush Load9900 lbs.
Rockwell HardnessC 60 to 67
Application Bearings, Ball Screws, Automotive
Standards ANSI/ABMA
Package Quantity 50
Weight 0.390000


Precision Ball, Non-Corrosion Resistant, High Carbon Chrome Steel, Alloy Type 52100, Grade 25, Diameter 3/8 In, Dia. Tolerance +/-0.0001 In, Weight 3.544g, Minimum Crush Load 9900 lbs, Rockwell Hardness C 60 to 67, Application Bearings, Ball Screws, Automotive, Standards ANSI/ABMA, Package Quantity 50

  • Note: Additional lot sizes are available on .

Thomson Precision Balls
  • High-Carbon Chrome Steel, 52100
  • Facilitate linear and radial motion where corrosion protection is not required. Used in industrial applications where high-load capacity and fine surface finish are required.
  • Grade 25 Rockwell hardness: C60 to 67 Dia. tolerance: 0.0001"

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