Sealmaster NP-18C

Housing Base

Solid

Rolling Element

Ball Bearing

Bore Shape

Straight

Overall Length (in)

6.5

Base Width (in)

1.88

Overall Width (in)

1.88

Overall Height (in)

3.38

Bolt Size (in)

1/2

Housing Construction

One Piece

Outer Ring Land Profile

Standard

Bore Size - Inch

1.125

Misalignment Type

Static Only

Housing Color

Black

Base to Center Height (in)

1.6875

Foot Height (in)

0.56

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

Inner Race Heat Treat Method

Zone-Hardened

Ability to Relubricate

Yes

Grease Fitting Thread Size

1/4-28

Fixed vs. Expansion

Fixed

Cage Type

Land Riding Retainer

End Cap Available

No

Centerline to Outermost Bearing Face (in)

0.875

Inner Ring Outside Diameter (in)

1.594

Vibration Frequency Roller Spin

0.0385

Base Length (in)

6.5

Bearing Insert Finish

Black Oxide

Maximum Speed (RPM)

5450

Size Code

2-13

Radial Clearance

Standard

Max Operating Temperature (F)

220

Vibration Frequency Outer Ring Defect

0.0595

Housing Material

Cast Iron

Lubricant

Lithium Complex NLGI 2 Grease

Bolt Spacing Min (in)

4.44

Dynamic Load Rating (lb)

4,381

Static Load Rating (lb)

2,567

Vibration Frequency Inner Ring Defect

0.0905

Vibration Frequency Fundamental Train

0.0066

Bolt Spacing Max (in)

5.06

Bearing Insert Material

52100 Bearing Steel

Bolt Spacing (in)

4.75

Shaft Locking Type

Set Screw

Housing Coating

Powder Coated

Bearing Type

Standard Duty

Misalignment Capability

±2.0° Misalignment - Static Only

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