Specifications

• Bore Diameter
  3.1875 in
• Product Type
  Flange-Mount Roller Bearing Units
• Mounting Type
  4-Bolt Piloted Flange
• Housing Material
  Cast Iron
• Bolt Circle Diameter
  8.6250 in
• Locking Device
  Concentric Collar
• Expansion Type
  Non-Expansion Bearing (Fixed)
• Housing Construction
  Solid
• Overall Length Diameter
  10.2500 in
• Finish Coating
  Powder Coated
• Bearing Number
  2303U
• Type Of Bearing
  Spherical Roller
• Overall Width
  10.2500 in
• Bearing Type
  Spherical Roller
• Bore Type
  Straight
• Seal Type
  Contact/Lip
• Overall Height
  4.3800 in
• Pilot Diameter
  7.3750 in
• Bolt Hole Spacing
  6.0940 in
• Radial Dynamic Load Capacity
  82000 lbf
• Radial Static Load Capacity
  91900 lbf
• Length Through Bore
  4.3800 in
• Max Operating Temperature
  225 °F
• Lubrication Type
  Lubrication Fitting
• Color
  Black
• Lubricant
  Lithium Complex NLGI 2 Grease
• Bolt Size
  3/4 in
• Misalignment Angle
  Dynamic - ±2.0 °
• Series
  2000
• Flange Mounting Type
  4-Bolt Round Flange
• Manufacturer Upc Number
  698210688721
• UPC_NO
  698210688721
• Weight
  35.5 lbs
• Housing Type
  Flange Cartridge
• Max Rpm
  1400 rpm
• Static Load Capacity
  90700 lbf
• Coating
  Powder Coated
• Description
  Rexnord MBR2303 Flanged Cartridge Blocks Rex Spherical Roller Bearings - MBR2303
• Number Of Mounting Holes
  4
• Relubricatable
  Yes
• Maximum Speed
  1400 rpm
• Outside Diameter
  10.2500 in
• Overall Length
  10.2500 in
• Retainer Material
  Polymer
• Self Aligning
  Yes