Sealmaster NP-20R
Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - NP-20R
Dynamic Load Rating (lb)
4,381
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
- 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
| Part Number | 700184 |
| Brand | Sealmaster |
| Rolling Element | Ball Bearing |
| Housing Base | Solid |
| Bore Shape | Straight |
| Overall Width (in) | 1.88 |
| Overall Height (in) | 3.38 |
| Overall Length (in) | 6.5 |
| Base Width (in) | 1.88 |
| Bolt Size (in) | 1/2 |
| Housing Construction | One Piece |
| Outer Ring Land Profile | Standard |
| Bore Size - Inch | 1.25 |
| Housing Color | Black |
| 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 |
| Seal Type (Product Selection) | Felt Labyrinth Seal |
| Housing Type (Product Selection) | Pillow Block, Two Bolt |
| Housing Style | Pillow Block |
| Ability to Relubricate | Yes |
| Inner Race Heat Treat Method | Zone-Hardened |
| Shaft Locking Type | Set Screw |
| Maximum Speed (RPM) | 5450 |
| Inner Ring Outside Diameter (in) | 1.594 |
| Centerline to Outermost Bearing Face (in) | 0.875 |
| Lubricant | Lithium Complex NLGI 2 Grease |
| Static Load Rating (lb) | 2,567 |
| Misalignment Capability | ±2.0° Misalignment - Static Only |
| Vibration Frequency Fundamental Train | 0.0066 |
| Vibration Frequency Roller Spin | 0.0385 |
| Bearing Insert Material | 52100 Bearing Steel |
| Bolt Spacing Max (in) | 5.06 |
| Bolt Spacing (in) | 4.75 |
| Vibration Frequency Inner Ring Defect | 0.0905 |
| Fixed vs. Expansion | Fixed |
| Housing Coating | Powder Coated |
| Dynamic Load Rating (lb) | 4,381 |
| Vibration Frequency Outer Ring Defect | 0.0595 |
| Bolt Spacing Min (in) | 4.44 |
| Bearing Type | Standard Duty |
| Size Code | 2-13 |
| Radial Clearance | Standard |
| Insert | 1-14 |
| Base Length (in) | 6.5 |
| Grease Fitting Thread Size | 1/4-28 |
| Max Operating Temperature (F) | 220 |
| Housing Material | Cast Iron |
| Bearing Insert Finish | Black Oxide |
| Cage Type | Land Riding Retainer |
| End Cap Available | No |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | NP-20R |
| Mfg. Part Numberi | 700184 |
| GDS #i | GDS-115392 |
| Categoryi | Bearings / Mounted / Mounted Ball Bearings / Pillow Blocks |
| UPCi | 662461001608 |
