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Home / Categories / Bearings / Mounted / Mounted Ball Bearings / Pillow Blocks / NP-20C
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Pillow Blocks

Sealmaster NP-20C

Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - NP-20C

BrandSealmaster
Part Number703252
GDS #GDS-116285
Dynamic Load Rating (lb)
5,782
Rolling Element
Ball Bearing
Housing Base
Solid
Bore Shape
Straight

Need help confirming fit? Send us the current part number, shaft size, housing photo, or equipment model.

Product Overview

  • Powder coated epoxy cast iron housing with extended inner ring bearings
  • Zone hardened inner ring with 120° spacing setscrew locking with diamond faceted setscrews
  • Single lip contact seal
  • 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
Rolling Element
Ball Bearing
Housing Base
Solid
Bore Shape
Straight
Overall Height (in)
3.75
Base Width (in)
1.88
Overall Length (in)
6.56
Overall Width (in)
1.88
Housing Construction
One Piece
Bolt Size (in)
1/2
Outer Ring Land Profile
Standard
Misalignment Type
Static Only
Housing Color
Black
Bore Size - Inch
1.25
Foot Height (in)
0.63
Base to Center Height (in)
1.875
Cage Material
PPS - Polyphenylene Sulfide
Length Through Bore (in)
1.685
Housing Type (Product Selection)
Pillow Block, Two Bolt
Seal Type (Product Selection)
Single Lip Contact Seal
Housing Style
Pillow Block
Ability to Relubricate
Yes
Inner Race Heat Treat Method
Zone-Hardened
Max Operating Temperature (F)
220
Vibration Frequency Inner Ring Defect
0.0905
Static Load Rating (lb)
3,493
Fixed vs. Expansion
Fixed
Bolt Spacing Min (in)
4.69
Maximum Speed (RPM)
4650
Bearing Type
Standard Duty
Cage Type
Land Riding Retainer
Shaft Locking Type
Set Screw
Vibration Frequency Fundamental Train
0.0066
Size Code
2-17
Bearing Insert Material
52100 Bearing Steel
Bearing Insert Finish
Black Oxide
Vibration Frequency Outer Ring Defect
0.0595
Vibration Frequency Roller Spin
0.0386
Misalignment Capability
±2.0° Misalignment - Static Only
Dynamic Load Rating (lb)
5,782
Centerline to Outermost Bearing Face (in)
1
Radial Clearance
Standard
Bolt Spacing (in)
5
End Cap Available
No
Lubricant
Lithium Complex NLGI 2 Grease
Grease Fitting Thread Size
1/4-28
Inner Ring Outside Diameter (in)
1.851
Housing Material
Cast Iron
Base Length (in)
6.56
Bolt Spacing Max (in)
5.31
Housing Coating
Powder Coated

Always verify dimensions, load ratings, material, and seal type before ordering.

BrandiManufacturer or product brand
Sealmaster
Mfg. Catalog NumberiManufacturer catalog number
NP-20C
Mfg. Part NumberiManufacturer part number
703252
GDS #iGDS internal part number
GDS-116285
CategoryiCatalog classification
Pillow Blocks
UPCiUniversal Product Code
662461020715
InsertiPart number of the bearing insert supplied with this unit
2-14C

Documents & Support

  • 3D/2D CAD Model (view/download)View
  • PDFCatalog PageView
  • PDFInstallation ManualView

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Price Each
$135.38
Available
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