Specifications

• Bore Type
  Straight
• Bore Diameter
  8 mm
• Outside Diameter
  28 mm
• Overall Height
  8 mm
• Overall Width
  9 mm
• Overall Length
  9 mm
• Closure Type
  Double Shielded
• Row Type Fill Slot
  Single Row Non-Fill Slot
• Snap Ring Included
  Without Snap Ring
• Internal Clearance
  C0
• Operating Temperature Range
  -10 to +110 °C
• Precision Rating
  ABEC 1 (ISO Class Normal)
• Finish Coating
  Uncoated
• Cage Material
  Steel
• Outer Ring Width
  9 mm
• Fillet Radius
  0.3 mm
• Max Rpm
  34000 rpm
• Series
  63
• Radial Dynamic Load Capacity
  4550 N
• Radial Static Load Capacity
  1970 N
• Manufacturer Catalog Number
  638ZZ
• Manufacturer Upc Number
  029176022050
• UPC_NO
  029176022050
• Weight
  0.04 lbs
• Country of Origin
  JP
• Harmonization Code
  8482105044
• Measurement Standard
  Metric
• Product Type
  Radial & Deep Groove Ball Bearings
• Long Description
  The 638ZZ is an 8 mm bore radial deep groove ball bearing with double shields and 28 mm outer diameter for precision mechanisms.