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NP Series Standard-Duty Pillow Block

NP-28

NP Series Standard-Duty Pillow Block
Item #100736410
  • Felt Labyrinth Seal Type
NP Series Standard-Duty Pillow Block
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    Shipment Options
  • Felt Labyrinth Seal Type

description

  • Most widely used, normal-duty pillow block with high base-to-shaft centerline dimensions.

features

  • Powder coated epoxy cast iron housing with extended inner ring bearings
  • Zone hardened inner ring with 120° spacing setscrew locking with diamond faceted setscrews
  • Unique land riding retainer design provides superior pocket clearance that allows for 360° grease circulation around the rolling elements resulting in better retained and utilized lubrication.
  • Sealmaster® exclusive lock pin & dimple for direct lubrication and anti-rotation
Housing Material Cast Iron
Overall Length (in) 7.5
Measure Units Inch
Bolt Size (in) 0.5
Inner Race Heat Treat Method Zone-Hardened
Outer Ring Land Profile Standard
Internal Clearance Standard
Speed [Max] 3800 rpm
Pillow Block Type 2-Bolt
Bolt Center [Min] 5.438 in
Expansion No
Angle of Misalignment ±2°
Bolt Center Max (in) 6.063
Base to Center Height 2.125 in
Insert Material 52100 Bearing Steel, Black Oxided
Foot Height 0.688 in
Overall Height 4.25 in
Bolt Center Min (in) 5.438
Bearing Type Ball Bearing
Centerline to Front Face (in) 1.188
Housing Construction One Piece
Relubricatable Yes
Inner Race Length (in) 1.938
Bore Size - Inch 1.75
Housing Color Gray
Foot Height (in) 0.688
Platform Gold Line Ball Bearing
Misalignment Type Static Only
End Cap No
Bearing Insert Coating Black Oxide
Replaceable Insert Yes
Operating Temperature [Max] 220 °F
Overall Length 7.5 in
Bolt Size 0.5 in
Centerline to Front Face 1.188 in
Housing Base Solid
Bore Size 1.75 in
Inner Ring OD (in) 2.297
Duty Series Standard
Base Width (in) 2.125
Inner Ring O.D. 2.297 in
Locking Type Set Screws
Lubrication Lithium Complex NLGI 2 Grease
Bolt Center [Max] 6.063 in
Overall Height (in) 4.25
Retainer Type Land Riding
Maximum Operating Temperature 220
Insert No. 2-112
Brand. Sealmaster
Inch/Metric Inch
Seal Type Felt Labyrinth
Base Width 2.125 in
Inner Race Length 1.938 in
Bore Shape Straight
Weight 6.555 LB
EAN or UPC 662461001691
NSN Number 3130-00-116-9044
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