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