Sealmaster NP-20RC

Rolling Element

Ball Bearing

Housing Base

Solid

Bore Shape

Straight

Overall Height (in)

3.38

Overall Width (in)

1.88

Overall Length (in)

6.5

Base Width (in)

1.88

Bolt Size (in)

1/2

Housing Construction

One Piece

Housing Color

Black

Bore Size - Inch

1.25

Outer Ring Land Profile

Standard

Misalignment Type

Static Only

Foot Height (in)

0.56

Base to Center Height (in)

1.6875

Cage Material

PPS - Polyphenylene Sulfide

Length Through Bore (in)

1.497

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

Housing Coating

Powder Coated

Bearing Insert Material

52100 Bearing Steel

Inner Ring Outside Diameter (in)

1.594

Bearing Type

Standard Duty

Dynamic Load Rating (lb)

4,381

Max Operating Temperature (F)

220

Bolt Spacing (in)

4.75

Centerline to Outermost Bearing Face (in)

0.875

Maximum Speed (RPM)

5450

Base Length (in)

6.5

Housing Material

Cast Iron

Vibration Frequency Outer Ring Defect

0.0595

Vibration Frequency Fundamental Train

0.0066

Cage Type

Land Riding Retainer

Size Code

2-13

Bearing Insert Finish

Black Oxide

Static Load Rating (lb)

2,567

Fixed vs. Expansion

Fixed

Shaft Locking Type

Set Screw

Bolt Spacing Min (in)

4.44

End Cap Available

No

Lubricant

Lithium Complex NLGI 2 Grease

Radial Clearance

Standard

Vibration Frequency Roller Spin

0.0385

Vibration Frequency Inner Ring Defect

0.0905

Bolt Spacing Max (in)

5.06

Grease Fitting Thread Size

1/4-28

Misalignment Capability

±2.0° Misalignment - Static Only

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