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