Specifications

• Bore Diameter
  3.5000 in
• Product Type
  Flange-Mount Roller Bearing Units
• Mounting Type
  4-Bolt Flange
• Adapter Sleeve
  No
• Housing Material
  Cast Steel
• Bolt Circle Diameter
  9.9100 in
• Bolt Center To Center Length
  7.0000 in
• Locking Device
  Concentric Collar
• Expansion Type
  Non-Expansion Bearing (Fixed)
• Duty Type
  Heavy Duty
• Housing Construction
  Solid
• Overall Length Diameter
  8.6300 in
• Finish Coating
  Powder coat
• Bearing Number
  22218
• Type Of Bearing
  Spherical Roller
• Overall Width
  4.2200 in
• Bore Type
  Straight
• Seal Type
  Labyrnith non-contacting, non-purging seal with DuPont™ Teflon®
• Overall Height
  8.6300 in
• Radial Dynamic Load Capacity
  79700 lbf
• Radial Static Load Capacity
  87200 lbf
• Length Through Bore
  4.03 in
• End Type
  Open
• Lubrication Type
  Lubrication Fitting
• Bolt Size
  0.75 in
• Bearing Material
  Steel
• Additional Details
  T Seal - Labyrinth seal consists of a Teflon® ring pressed onto the inner ring of the bearing that floats between two pieces of formed steel to accommodate misalignment. When using this seal, the housing comes with a vent fitting. Developed for higher-speed applications involving dirty conditions or moisture-affected areas, is able to operate at higher temperatures and is impervious to most chemicals.
• Flange Mounting Type
  4-Bolt Flange
• Flange Outside Diameter
  8.6300 in;219.20 mm
• Flange Thickness
  1.31 in
• Manufacturer Upc Number
  883450039185
• UPC_NO
  883450039185
• Manufacturer Product Page
  Click here
• Manufacturer Catalog
  Click here
• Weight
  36.924 lbs
• Dynamic Load Capacity
  79700 lbf
• Max Rpm
  2400 rpm
• Static Load Capacity
  87200 lbf
• Description
  QAF18A308S, Single Concentric Flange Block
• Number Of Mounting Holes
  4
• Relubricatable
  Yes
• Maximum Speed
  2400 rpm
• Overall Length
  8.6300 in
• Retainer Type
  Steel
• Self Aligning
  Yes