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NP Series Standard-Duty Pillow Block

Item #100736404
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Product details

  • Felt Labyrinth Seal Type


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


  • 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


Lubrication Lithium Complex NLGI 2 Grease
Bore Size - Inch 1.438
Expansion No
Inner Race Length (in) 1.688
Outer Ring Land Profile Standard
Inner Ring OD (in) 1.859
Bolt Center Max (in) 5.313
Housing Construction One Piece
Replaceable Insert Yes
Centerline to Front Face (in) 1
Bore Shape Straight
End Cap No
Misalignment Type Static Only
Insert Material 52100 Bearing Steel, Black Oxided
Relubricatable Yes
Seal Type Felt Labyrinth Seal
Housing Material Cast Iron
Duty Series Standard
Brand. Sealmaster
Base Width (in) 1.875
Overall Height (in) 3.75
Foot Height (in) 0.625
Insert No. 2-17
Bearing Insert Coating Black Oxide Coated
Retainer Type Land Riding Retainer
Bolt Size (in) 0.5
Platform Gold Line Ball Bearing
Housing Base Solid
Bolt Center Min (in) 4.688
Maximum Operating Temperature 220
Overall Length (in) 6.563
Measure Units Inch
Weight 4.433 LB
EAN or UPC 662461001646
NSN Number 3130-00-108-0685
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