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Rexnord Corp.MB3207

MB3207

3000 Series 4-Bolt Flange Flange Block
Item #101467531
  • Fixed Spherical Roller Flange Pillow Block
  • 4-Bolt Flange Type
  • 2 7/16 in Shaft Diameter
Rexnord Corp.MB3207
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    Shipment Options
  • Fixed Spherical Roller Flange Pillow Block
  • 4-Bolt Flange Type
  • 2 7/16 in Shaft Diameter

features

  • Easy bearing clearance: can be field adjusted to meet application needs
  • Mounting to suit the load and installation requirements
  • Shaft ready: prelubricated with standard grease for normal operation
  • other lubricants available for special conditions
  • Fully self-aligning: spherical roller bearing to accommodate operational and installation misalignment
  • Rugged housing: standard material – cast iron, steel or ductile iron available on request
  • Carburized raceways: case-carburized inner races provide a hard, fatigue-resistant surface and a tough, crack-resistant ductile core
  • Interchangeable seals: three types of seals to match the application requirements: Z seal, for the broad range of normal operating conditions
  • K seal, for dusty, dirty conditions
  • and M seal, for protection against liquid contamination
  • For extra protection under severe conditions, auxiliary caps are also available
  • Spherical bearing design accomodates continual misalignment.
  • Collar is larger, thicker, and heavier to provide increased surface area contact with shaft.
  • Threaded cover and microlock design allows bearing clearance adjustment, off-the-shelf units to meet special requirements.
  • Wedges tight during operation, even if setscrews loosen.
  • Carburized (case-hardened) inner ring resists fracturing, even under heavy loads
  • Units are completely preassembled, preadjusted, greased, sealed, and ready to mount.
  • Grips tight, even with undersized shafting.
Temperature Range [Min] -40 °F
Housing Material Cast Iron
Housing Length 8 1/8 in
Temperature Range [Max] 225 °F
Bolt Circle Dia. 6 3/4 in
Bolt Size 5/8 in
Duty Heavy-Duty
Bearing Type Spherical Roller Bearing
Bore Range [Max] 3.9375 in
RPM [Max] 2000 rpm
Housing Diameter 5 3/8 in
Size Code 8
Collar O.D. 3 9/16 in
Locking Device Eccentric Cam Locking Collar
Flange Type 4-Bolt Flange
Length Through Bore 3.65625 in
Shape Round
Mounted Unit Duty Heavy-Duty
End Type Open End
Set Screw Torque 460 in lb
Bolt Hole Spacing 4 49/64 in
Series 3000
Shaft Dia. 2.4375 in
Bearing Design Fixed
Inner Ring Hub Diameter 2 29/32 in
Housing Height 8 1/8 in
Bore Range [Min] 1.4375 in
Grease Fitting Size 1/8 in NPT
Seal Type Spring Loaded Heavy Contact Seals
Housing Construction 1 Piece
Inch/Metric Inch
Lubricant Type Exxon Ronex MP
Bolt Circle Radius 3 3/8 in
Collar Extension 1 1/64 in
Flange Thickness 3/4 in
Lubrication Relubricatable
Misalignment Range ±1 1/2°
Overall Width 4 3/32 in
Bearing Standoff Distance 3/32 in
Style 4-Bolt Flange
Weight 16.6 LB
EAN or UPC 698210910587
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