Sealmaster NP-31
Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - NP-31
Dynamic Load Rating (lb)
7,889
Housing Base
Solid
Rolling Element
Ball Bearing
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 | 700196 |
| Brand | Sealmaster |
| Housing Base | Solid |
| Rolling Element | Ball Bearing |
| Bore Shape | Straight |
| Overall Width (in) | 2.38 |
| Base Width (in) | 2.38 |
| Overall Height (in) | 4.56 |
| Overall Length (in) | 8.13 |
| Housing Construction | One Piece |
| Bolt Size (in) | 5/8 |
| Housing Color | Black |
| Misalignment Type | Static Only |
| Bore Size - Inch | 1.9375 |
| Outer Ring Land Profile | Standard |
| Foot Height (in) | 0.75 |
| Base to Center Height (in) | 2.2500 |
| Cage Material | PPS - Polyphenylene Sulfide |
| Length Through Bore (in) | 2.031 |
| 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 |
| Static Load Rating (lb) | 5,216 |
| Bearing Insert Finish | Black Oxide |
| Cage Type | Land Riding Retainer |
| Vibration Frequency Outer Ring Defect | 0.0683 |
| Inner Ring Outside Diameter (in) | 2.469 |
| Fixed vs. Expansion | Fixed |
| Vibration Frequency Inner Ring Defect | 0.0984 |
| Maximum Speed (RPM) | 3550 |
| Bolt Spacing Min (in) | 6 |
| Dynamic Load Rating (lb) | 7,889 |
| Bearing Insert Material | 52100 Bearing Steel |
| Housing Coating | Powder Coated |
| End Cap Available | No |
| Size Code | 2-115 |
| Max Operating Temperature (F) | 220 |
| Bearing Type | Standard Duty |
| Misalignment Capability | ±2.0° Misalignment - Static Only |
| Grease Fitting Thread Size | 1/8 NPT |
| Housing Material | Cast Iron |
| Radial Clearance | Standard |
| Insert | 2-115 |
| Centerline to Outermost Bearing Face (in) | 1.281 |
| Base Length (in) | 8.13 |
| Vibration Frequency Roller Spin | 0.0445 |
| Vibration Frequency Fundamental Train | 0.0068 |
| Bolt Spacing Max (in) | 6.5 |
| Lubricant | Lithium Complex NLGI 2 Grease |
| Shaft Locking Type | Set Screw |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | NP-31 |
| Mfg. Part Numberi | 700196 |
| GDS #i | GDS-115404 |
| Categoryi | Bearings / Mounted / Mounted Ball Bearings / Pillow Blocks |
| UPCi | 662461001721 |
