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NP Series Standard-Duty Pillow Block

NP-20R

NP Series Standard-Duty Pillow Block
Item #101179529
  • 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
Misalignment Type Static Only
Bolt Center [Min] 4.438 in
Overall Length 6.5 in
Bolt Center Max (in) 5.063
Inner Race Heat Treat Method Zone-Hardened
Pillow Block Type 2-Bolt
Bolt Center-to-Center Length (in) 4.4375 to 5.0625
Centerline to Front Face (in) 0.875
Inner Race Length (in) 1.5
Insert No. 1-14
Locking Type Set Screws
Base to Center Height (in) 1.6875
Bolt Size (in) 0.5000
Internal Clearance Standard
Inner Ring OD (in) 1.594
End Cap No
Housing Construction One Piece
Platform Gold Line Ball Bearing
Relubricatable Yes
Angle of Misalignment ±2°
Retainer Type Land Riding
Maximum Operating Temperature 220
Housing Color Gray
Bolt Center-to-Center Length 4.438 to 5.063 in
Speed [Max] 5450 rpm
Lubrication Lithium Complex NLGI 2 Grease
Brand. Sealmaster
Bearing Insert Coating Black Oxide
Bore Size 1.25 in
Base Width 1.875 in
Inner Race Length 1.5 in
Base to Center Height 1.688 in
Base Width (in) 1.875
Bore Shape Straight
Housing Base Solid
Inch/Metric Inch
Radial Dynamic Load Capacity (lb) 4381
Radial Static Load Capacity (lb) 2567
Duty Series Standard
Replaceable Insert Yes
Inner Ring O.D. 1.594 in
Foot Height (in) 0.563
Overall Height (in) 3.375
Operating Temperature [Max] 220 °F
Centerline to Front Face 0.875 in
Bolt Center [Max] 5.063 in
Expansion No
Outer Ring Land Profile Standard
Housing Material Cast Iron
Overall Length (in) 6.5
Insert Material 52100 Bearing Steel, Black Oxided
Bolt Center Min (in) 4.438
Measure Units Inch
Bore Size - Inch 1.25
Bearing Type Ball Bearing
Radial Dynamic Load Capacity 4381 lb
Foot Height 0.563 in
Seal Type Felt Labyrinth
Bolt Size 0.5 in
Overall Height 3.375 in
Weight 3.605 LB
EAN or UPC 662461001608
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