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