Specifications

• Bore Type
  Straight
• Bore Diameter
  55 mm
• Outside Diameter
  120 mm
• Overall Width
  29 mm
• Closure Type
  Single Shielded
• Row Type Fill Slot
  Single Row Non-Fill Slot
• Snap Ring Included
  Without Snap Ring
• Internal Clearance
  P
• Max Operating Temperature
  120° C
• Precision Rating
  Not Rated
• Finish Coating
  Uncoated
• Bearing Material
  Steel
• Cage Material
  Steel
• Inner Ring Width
  1.142 in
• Fillet Radius
  0.079 in
• Series
  300
• Radial Dynamic Load Capacity
  18300 lbf
• Radial Static Load Capacity
  10000 lbf
• Manufacturer Catalog Number
  311KD
• Manufacturer Upc Number
  087796043114
• UPC_NO
  087796043114
• Weight
  3.14 lbs
• Type Of Bearing
  Ball Bearing
• Component Type
  Assembly
• Features & Benefits
  • Super finished raceways • Quiet operations • Medium 300 Series are similar to Light 200 Series but with a substantially heavier cross section to withstand greater radial loads and heavier shock loads • Electric Motor Quality (EMQ)
• Maximum Operating RPM
  6363.636 RPM (grease), 7272.727 RPM (oil)
• Outer Diameter Type
  Cylindrical
• Precision Class
  ABEC1
• Relubricatable
  No
• Rolling Element
  Ball
• Row Type
  Single
• Min Operating Temperature
  -50° C
• Self Aligning
  No
• Description
  311 KDN BRG
• Retainer Material
  Cold Rolled Steel
• Product Type
  Radial & Deep Groove Ball Bearings
• Long Description
  This Radial & Deep Groove Ball Bearing offers 55 mm bore diameter, single shielded closure, 120 mm outside diameter, and 29 mm overall width for radial bearings.