Miniature Bearings Australia - MBA Minibearings
Miniature Bearings Australia

S638-ZZ-ECO - Datasheet

ECO

Category Information

Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless

440C Stainless Precision Unflanged Single Row Ball Bearings. Stainless steel radial ball bearings

  • Single row radial ball bearings are arguably the most common, widely used type of bearing. They consist of an inner ring, an outer ring, a set of balls, and a cage that retains the balls in a circular path.
  • Single row radial ball bearings are commonly used in a wide range of applications, including electric motors, fans, pumps, gearboxes, agricultural equipment, appliances, and automotive components.
  • They are versatile, cost-effective bearings that provide reliable support for radial loads and some axial loads in one direction. An expanded range may be available on special order. Please enquire.
  • Standard single row radial ball bearings.

Product Data

  • ID (d) : 8.000 mm
    (Equiv. 0.315 in.)
  • OD (D) 28.000 mm
    (Equiv. 1.102 in.)
  • Width (B) 9.000 mm
    (Equiv. 0.354 in.)
  • Precision Grade Economy
  • Closure Type ZZ
  • Bearing Type Radial
  • Material Stainless Steel AISI 440C
  • Lubrication Type Grease
  • Lubrication Name Standard Unspecified
  • Basic Part 638
  • Limiting Speed 26600
  • Cage Type Standard
  • Static Load Rating KGf 191.9
  • Dynamic Load Rating KGf 442.7
  • Radii 0.30 mm
  • Inner Shoulder (UI) 13.90mm
  • Outer Shoulder (UO) 22.38 mm
  • Number of Balls 7
  • Clearance CN (10 to 26)
  • Precision Grade ECO
  • Closure Type ZZ
  • Max Temperature 120 Deg. C
Country of Origin: JP

Product Compliance and Data

Additional Resources

Cross References

  • Stainless Alternative 638ZZECO
  • Stainless Alternative 638-ZZ-ECO
  • Misumi C-SE638ZZ
  • Shielded S638 / 9
  • CSE638ZZ
  • 638 Basic Size Ref
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