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ZBR Series Single Set Collar Flange Block

Item #100000374
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Product details

  • 3 7/16" Shaft, 6 3/32" Bolt Hole Spacing, Heavy Contact Seals, Setscrew Locking, Regreasable, Non-Expansion


  • 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


Inch/Metric Inch
Flange Type Piloted Flange
4-Bolt Flange
Shaft Dia. 3 7/16 in
Mounted Unit Duty Heavy-Duty
Bearing Type Spherical Roller Bearing
Locking Device Setscrew Locking Collar
Housing Length 10 1/4 in
Bolt Hole Spacing 6 3/32 in
Bolt Circle Dia. 8 5/8 in
Bearing Design Non-Expansion
End Type Open End
Seal Type Heavy Contact Seals
Housing Construction 1 Piece
Housing Material Cast Iron
Lubrication Relubricatable
Length Through Bore 4 3/8 in
Flange Thickness 15/16 in
Collar O.D. 4 15/16 in
Bolt Size 3/4 in
Misalignment Range ±1 1/2°
Temperature Range [MIN] -40 °F
Collar Extension 15/16 in
Size Code 10
Temperature Range [MAX] 250 °F
Overall Width 6 3/8 in
Housing Height 10 1/4 in
Style 4-Bolt Piloted Flange
Duty Heavy-Duty
Weight 34.0 LB
EAN or UPC 698210643454

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