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3000 Series 4-Bolt Flange Spherical Roller Bearing Cartridge Unit

MBR3207

3000 Series 4-Bolt Flange Spherical Roller Bearing Cartridge Unit
Item #100000375
  • Spherical Roller Bearing Cartridge Unit
  • 2 7/16 in Shaft Diameter
  • Eccentric Cam Collar Locking Device
  • Non-Expansion Bearing Design
  • Spherical Roller Bearing Type
3000 Series 4-Bolt Flange Spherical Roller Bearing Cartridge Unit
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    Shipment Options
  • Spherical Roller Bearing Cartridge Unit
  • 2 7/16 in Shaft Diameter
  • Eccentric Cam Collar Locking Device
  • Non-Expansion Bearing Design
  • Spherical Roller Bearing Type

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.
Bolt Circle Radius 3 1/4 in
Temperature Range [Max] 225 °F
Style 4-Bolt Piloted Flange
Housing Height 7 5/8 in
Bearing Type Spherical Roller Bearing
Type Spherical Roller Bearing
Lubricant Type Exxon Ronex MP
Flange Thickness 5/8 in
Flange Type 4-Bolt Flange
Collar Extension 1 1/64 in
Shape Round
Pilot Depth 1 in
Grease Fitting Size 1/8 in NPT
Bolt Circle Dia. 6 1/2 in
Flange Pilot Diameter 5 1/2 in
Overall Width 5 11/32 in
Seal Type Spring Loaded Heavy Contact Seals
Housing Length 7 5/8 in
Collar O.D. 3 9/16 in
Size Code 8
Bolt Hole Spacing 4 19/32 in
Housing Material Cast Iron
Bore Dia. [Min] 1 7/16 in
Bolt Size 1/2 in
End Type Open End
Length Through Bore 3.65625 in
Series 3000
Shaft Dia. 2.4375 in
Mounted Unit Duty Heavy-Duty
Housing Construction 1 Piece
Duty Heavy-Duty
Lubrication Relubricatable
Bearing Design Non-Expansion
Inch/Metric Inch
Temperature Range [Min] -40 °F
RPM [Max] 2000 rpm
Bore Dia. [Max] 3 15/16 in
Set Screw Torque 460 in lb
Misalignment Range ±1 1/2°
Locking Device Eccentric Cam Locking Collar
Weight 15.0 LB
EAN or UPC 698210907198
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