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