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Hub CityPB251NX1 3/4

PB251NX1 3/4

PB251N Series Nickel Plated Pillow Block
Item #101033146
  • PB251N Series Normal-Duty Pillow Block
  • 1 3/4" Shaft
  • 5 13/16" Bolt Centers
  • 2 1/8" Center Line to Base
  • Setscrew Locking Collar
  • Cast Iron - Nickel Plated
  • Regreasable
  • Contact Seals
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Hub CityPB251NX1 3/4
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  • PB251N Series Normal-Duty Pillow Block
  • 1 3/4" Shaft
  • 5 13/16" Bolt Centers
  • 2 1/8" 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
Bolt Hole Spacing Range [Max] 6 1/4 in
Bearing Design Non-Expansion
Housing Construction 1 Piece
Collar O.D. 2.236 in
Housing Height 4 1/4 in
Seal Type Contact Seals
Temperature Range [Min] -25 °F
Series PB251N
Bolt Hole Spacing Range [Min] 5 3/8 in
Mounted Unit Duty Normal-Duty
Length Through Bore 1.634 in
Shaft Dia. 1.75 in
Bolt Hole Spacing 5 13/16 in
Misalignment Range ±1 1/2°
Housing Material Cast Iron - Nickel Plated
Insert Type Steel Insert
End Type Open End
Overall Width 2 13/64 in
Bearing Type Ball Bearing
Locking Device Setscrew Locking Collar
Inch/Metric Inch
Base Width 2 in
Lubrication Relubricatable
Bolt Holes 2
Base Height 13/16 in
Temperature Range [Max] 225 °F
Pillow Block Type Thru-Bolt
Bearing Insert B250X1 3/4
Base Length 7 3/8 in
Bolt Size 1/2 in
Center of Bearing to Front of Inner Ring 1.201 in
Housing Width 2 in
Weight 6.0 LB
EAN or UPC 662798249742
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