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