Specifications

• Bore Diameter
  1.7500 in
• Product Type
  Flange-Mount Roller Bearing Units
• Mounting Type
  4-Bolt Flange
• Housing Material
  Cast Iron
• Bolt Circle Diameter
  6.1900 in;157.22 mm
• Bolt Center To Center Length
  4.3770 in, 111.17 mm
• Locking Device
  Set Screw
• Expansion Type
  Non-Expansion Bearing (Fixed)
• Housing Construction
  Solid
• Type Of Bearing
  Tapered Roller
• Bearing Type
  Tapered Roller
• Seal Type
  XTS Triple-Lip Contact Seal
• Insert Material
  Steel
• Grease Type
  MobilGrease XHP222
• Lubrication
  Grease
• Length Through Bore
  3.5000 in, 88.90 mm
• Lubrication Type
  Grease
• Bolt Size
  0.5000 in
• Bore Length
  3.5000 in
• Series
  F4B-E
• Flange Mounting Type
  4-Bolt Flange
• Manufacturer Catalog Number
  137908
• Weight
  12.270 lbs
• Dynamic Load Capacity
  9300 lbf
• Housing Type
  4-Bolt Flange
• Max Rpm
  3050 rpm
• Static Load Capacity
  43000 lbf
• Description
  137908 F4B-E-112R-NL
• Number Of Mounting Holes
  4
• Maximum Speed
  3050 rpm
• Long Description
  The F4B-E-112R-NL is a tapered roller bearing unit, 4-bolt flange type with a 1-3/4 in bore diameter, non-expansion (fixed) bearing. It features a cast iron housing with a 4-bolt flange mounting, set screw locking device, and XTS triple-lip contact seal in the F4B-E series. The unit weighs 12.270 lbs.