4mm Chrome Steel Ball GCr15 G20

$0.10



High-precision bearing balls made from GCr15 chromium steel (equivalent to AISI 52100) with a grade G20 tolerance.

G20 tolerance =  .000020 inch Sphericity +/- .0001 inch

Material

Rockwell Hardness

Chrome Steel 52100 Rc 60-67

Corrosion Resisting Hardened Steel

Grade 440

Grade 420

 

Rc 58-65

Rc 52 min

Corrosion Resisting Unhardened Steel

Grade 302

Grade 304

Grade 316

 

Rc 25-39

Rc 25-39

Rc 25-39

SKU BALL-CH-4MM
(D) Outside Ø (mm) 4
Rolling Element Material Rolling Bearing Steel
Max. Operating Temperature (deg. C) +120°C
Min. Operating Temperature (deg. C) ­­20°C

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