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