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