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