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