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Hub CityPB251NX1

PB251NX1

PB251N Series Nickel Plated Pillow Block
Item #101033138
  • PB251N Series Normal-Duty Pillow Block
  • 1" Shaft
  • 4" Bolt Centers
  • 1 7/16" Center Line to Base
  • Setscrew Locking Collar
  • Cast Iron - Nickel Plated
  • Regreasable
  • Contact Seals
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Hub CityPB251NX1
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    Shipment Options
  • PB251N Series Normal-Duty Pillow Block
  • 1" Shaft
  • 4" Bolt Centers
  • 1 7/16" 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
Housing Height 2 3/4 in
Pillow Block Type Thru-Bolt
Bolt Hole Spacing Range [Max] 4 1/2 in
Bolt Hole Spacing 4 in
Inch/Metric Inch
Overall Width 1 33/64 in
Locking Device Setscrew Locking Collar
Bearing Insert B250X1
Series PB251N
Collar O.D. 1.328 in
Bolt Size 3/8 in
Center of Bearing to Front of Inner Ring 0.768 in
Bearing Type Ball Bearing
End Type Open End
Base Height 5/8 in
Temperature Range [Max] 225 °F
Housing Material Cast Iron - Nickel Plated
Shaft Dia. 1 in
Insert Type Steel Insert
Mounted Unit Duty Normal-Duty
Bearing Design Non-Expansion
Base Width 1 1/2 in
Seal Type Contact Seals
Housing Construction 1 Piece
Bolt Hole Spacing Range [Min] 3 1/2 in
Base Length 5 1/2 in
Temperature Range [Min] -25 °F
Misalignment Range ±1 1/2°
Housing Width 1 1/2 in
Length Through Bore 1.071 in
Bolt Holes 2
Lubrication Relubricatable
Weight 3.0 LB
EAN or UPC 662798249636
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