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  • This part may be obsolete or discontinued but limited quantities may exist.


PB221HWX1

PB221HW Series HUB-ALLOY® Pillow Block

Item #101032906
each
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Product details

  • PB221HW Series Normal-Duty Pillow Block
  • 1" Shaft
  • 4 1/16" Bolt Centers
  • 1 7/16" Center Line to Base
  • Eccentric 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

Specifications

Overall Width 1 13/16 in
Shaft Dia. 1 in
Temperature Range [Max] 225 °F
Insert Type Steel Insert
Center of Bearing to Front of Inner Ring 1.059 in
Bolt Hole Spacing 4 1/16 in
Mounted Unit Duty Normal-Duty
Misalignment Range ±1 1/2°
Bolt Holes 2
Housing Construction 1 Piece
Seal Type Contact Seals
Bolt Hole Spacing Range [Max] 4 1/2 in
Base Length 5 3/8 in
Bearing Design Non-Expansion
Locking Device Eccentric Locking Collar
Bolt Hole Spacing Range [Min] 3 5/8 in
Collar O.D. 1.46 in
Temperature Range [Min] -25 °F
Length Through Bore 1.748 in
Housing Material Hub-Alloy®
Base Width 1 1/2 in
End Type Open End
Housing Height 2 3/4 in
Lubrication Relubricatable
Bearing Type Ball Bearing
Pillow Block Type Thru-Bolt
Housing Width 1 1/2 in
Series PB221HW
Bearing Insert YW220X1
Bolt Size 3/8 in
Base Height 5/8 in
Inch/Metric Inch
Weight 2.0 LB
EAN or UPC 662798250113
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