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RFB-A Series 4-Bolt Flange Unit

RFBA303

RFB-A Series 4-Bolt Flange Unit
Item #101182072
  • Heavy-Duty 4-Bolt Flange
  • 3 3/16" Shaft
  • Cast Iron Housing
  • Felt Seals
  • Concentric Clamp Collar
  • Non-Expansion
  • Regreasable
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RFB-A Series 4-Bolt Flange Unit
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    Shipment Options
  • Heavy-Duty 4-Bolt Flange
  • 3 3/16" Shaft
  • Cast Iron Housing
  • Felt Seals
  • Concentric Clamp Collar

applications

  • Toughest application conditions
  • Demanding environments

features

  • Compact size
  • Unitized, self-aligning, replaceable cartridge inserts
  • Durable, cast iron split housing
  • Quickest replacement of bearing insert
  • Housing always remains aligned with the shaft
  • Reduced downtime and replacement cost
  • Guide pins ensure proper orientation of the top housing
  • Timken tapered roller bearings
  • One-piece, spherical outer race
  • 52100 high quality bearing steel
  • Alignment pin prevents outer race rotation of the cartridge insert
  • Positive lubrication system
  • Patented felt labyrinth race mounted seals
  • Single-lip, race-mounted contact seals
  • Concentric, double-locking collars
Bolt Size 3/4 in
Inch/Metric Inch
Shaft Dia. 3.1875 in
Bearing Design Non-Expansion
Seal Type Felt Seals
Housing Construction 2 Piece
Housing Material Cast Iron
Duty Heavy-Duty
Style 4-Bolt Flange
Flange Type 4-Bolt Flange
Bolt Hole Spacing 7 in
Bearing Type Tapered Roller Bearing
Flange Thickness 1 7/8 in
Overall Width 5 1/4 in
Housing Width 4 1/2 in
Lubrication Relubricatable
Housing Height 9 1/4 in
End Type Open End
Temperature Range [Max] 250 °F
Mounted Unit Duty Heavy-Duty
Collar O.D. 5 1/2 in
Locking Device Concentric Clamp Collar
Bolt Circle Dia. 9.9 in
Housing Length 9 1/4 in
Bolt Hole Size 3/4 in
Weight 57.4 LB
EAN or UPC 662288483380
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