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NP Series Standard-Duty Pillow Block

Item #100736397
    Shipment Options

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


Overall Length (in) 5.5
Radial Dynamic Load Capacity (lb) 2801
Retainer Type Land Riding Retainer
Inner Race Length (in) 1.375
Relubricatable Yes
Overall Height (in) 2.813
Lubrication Lithium Complex NLGI 2 Grease
Maximum Operating Temperature 220
Bolt Center Max (in) 4.375
Insert No. 2-1
Bolt Center-to-Center Length (in) 1.4375
Insert Material 52100 Bearing Steel, Black Oxided
End Cap No
Centerline to Front Face (in) 0.813
Replaceable Insert Yes
Bearing Insert Coating Black Oxide Coated
Base to Center Height (in) 1.438
Brand. Sealmaster
Outer Ring Land Profile Standard
Misalignment Type Static Only
Inner Ring OD (in) 1.375
Housing Material Cast Iron
Expansion No
Foot Height (in) 0.5
Bore Shape Straight
Platform Gold Line Ball Bearing
Housing Construction One Piece
Seal Type Felt Labyrinth Seal
Bolt Center Min (in) 3.875
Overall Width (in) 1.375
Measure Units Inch
Housing Base Solid
Base Width (in) 1.5
Bore Size - Inch 1
Duty Series Standard
Bolt Size (in) 0.375
Weight 2.058 LB
EAN or UPC 662461001561
NSN Number 3130-00-116-9034
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