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Hub CityPB250HWX7/8

PB250HWX7/8

PB250HW Series HUB-ALLOY® Pillow Block
Item #102246030
  • PB250HW Series Normal-Duty Pillow Block
  • 7/8" Shaft
  • 4 1/16" Bolt Centers
  • 1 5/16" Center Line to Base
  • Setscrew Locking Collar
  • Hub-Alloy®
  • Regreasable
  • Contact Seals
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Hub CityPB250HWX7/8
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    Shipment Options
  • PB250HW Series Normal-Duty Pillow Block
  • 7/8" Shaft
  • 4 1/16" Bolt Centers
  • 1 5/16" Center Line to Base
  • Setscrew Locking Collar

features

  • Molded glass fiber reinforced polyamide retainer
  • Grade 10 balls
  • Races and balls are 52100 steel, hardened, ground, and honed for quiet operation
  • Slotted bolt holes
  • Rugged cast iron or Hub-Alloy® housing
  • Zone-hardened inner race
  • Prelubricated with high quality lithium grease. 1/4-28 Zerk fitting provided to allow for relube
  • Choice of narrow or wide inner race, setscrew locking or eccentric collar locking, normal-duty, or medium-duty bearings
  • Knurled cup point setscrews at 120° to minimize inner ring distortion
  • Recessed housing base to accommodate uneven mounting surfaces
  • Spherical outer race to allow up to 1.5° misalignment
  • All bearings have single lip Nitrile rubber seals with steel trash guard
  • Steel fingers are standard on wide inner race bearings only
Center of Bearing to Front of Inner Ring 0.78 in
Lubrication Relubricatable
Bearing Type Ball Bearing
Seal Type Contact Seals
Series PB250HW
Misalignment Range ±1 1/2°
Housing Construction 1 Piece
Pillow Block Type Thru-Bolt
Temperature Range [Max] 225 °F
Shaft Dia. 0.875 in
Base Width 1 1/2 in
Base Height 1/2 in
Overall Width 1 17/32 in
Bolt Hole Spacing Range [Max] 4 1/2 in
Bolt Hole Spacing 4 1/16 in
Housing Height 2 5/8 in
Locking Device Setscrew Locking Collar
Insert Type Steel Insert
Bolt Size 3/8 in
End Type Open End
Bearing Design Non-Expansion
Housing Material Hub-Alloy®
Base Length 5 3/8 in
Temperature Range [Min] -25 °F
Bolt Hole Spacing Range [Min] 3 5/8 in
Bolt Holes 2
Collar O.D. 1.328 in
Bearing Insert YW250X7/8
Mounted Unit Duty Normal-Duty
Length Through Bore 1.343 in
Housing Width 1 1/2 in
Inch/Metric Inch
Weight 1.6 LB
EAN or UPC 662798250281
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