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