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NP Series Standard-Duty Pillow Block

NP-31

NP Series Standard-Duty Pillow Block
Item #100736413
  • 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
Foot Height 0.75 in
Housing Base Solid
Bore Shape Straight
Foot Height (in) 0.75
Inner Ring OD (in) 2.469
Bore Size - Inch 1.938
Locking Type Set Screws
Bolt Center Min (in) 6
Bolt Size 0.625 in
Overall Height (in) 4.563
Insert Material 52100 Bearing Steel, Black Oxided
Bolt Center [Min] 6 in
Speed [Max] 3550 rpm
Expansion No
Overall Length 8.125 in
Base Width 2.375 in
Inner Race Heat Treat Method Zone-Hardened
Lubrication Lithium Complex NLGI 2 Grease
Misalignment Type Static Only
Relubricatable Yes
Centerline to Front Face 1.281 in
Bearing Type Ball Bearing
Inner Ring O.D. 2.469 in
Overall Height 4.563 in
Brand. Sealmaster
Base to Center Height 2.25 in
Internal Clearance Standard
Inner Race Length 2.031 in
Maximum Operating Temperature 220
Bore Size 1.938 in
Measure Units Inch
Platform Gold Line Ball Bearing
Inch/Metric Inch
Angle of Misalignment ±2°
Housing Material Cast Iron
Bearing Insert Coating Black Oxide
Duty Series Standard
Operating Temperature [Max] 220 °F
Bolt Center [Max] 6.5 in
Insert No. 2-115
Bolt Center Max (in) 6.5
Replaceable Insert Yes
Seal Type Felt Labyrinth
Outer Ring Land Profile Standard
Base Width (in) 2.375
Pillow Block Type 2-Bolt
Inner Race Length (in) 2.031
End Cap No
Overall Length (in) 8.125
Housing Construction One Piece
Bolt Size (in) 0.625
Retainer Type Land Riding
Centerline to Front Face (in) 1.281
Housing Color Gray
Weight 8.17 LB
EAN or UPC 662461001721
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