Specifications

• Bore Type
  Straight
• Bore Diameter
  55 mm
• Outside Diameter
  120 mm
• Overall Width
  29 mm
• Closure Type
  Open
• Row Type Fill Slot
  Single Row Non-Fill Slot
• Snap Ring Included
  With Snap Ring
• Internal Clearance
  C0
• Max Operating Temperature
  120° C
• Precision Rating
  ABEC 1
• Seal Type
  Open
• Bearing Material
  Steel
• Cage Material
  Steel
• Inner Ring Width
  1.142 in
• Fillet Radius
  0.0787 in
• Series
  6300
• Manufacturer Catalog Number
  6311-NR
• Manufacturer Upc Number
  087796297432
• UPC_NO
  087796297432
• Weight
  3.02 lbs
• Type Of Bearing
  Ball Bearing
• Component Type
  Assembly
• Features & Benefits
  • Super finished raceways • Quiet operations • ISO standard interchangeable dimensions • Electric Motor Quality (EMQ) • Snap ring provides an adequate shoulder without sacrificing capacity
• Maximum Operating RPM
  6700 RPM (grease), 10000 RPM (oil)
• Outer Diameter Type
  Cylindrical
• Precision Class
  ISO Normal/ABEC1
• Relubricatable
  No
• Rolling Element
  Ball
• Row Type
  Single
• Min Operating Temperature
  -50° C
• Self Aligning
  No
• Description
  6311-NR BALL BEARINGS
• Retainer Material
  Cold Rolled Steel
• Product Type
  Radial & Deep Groove Ball Bearings
• Long Description
  The 6311-NR is a 55 mm bore radial/deep groove ball bearing with 120 mm OD, 29 mm width, straight design, open type.