Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - Low Drag - NP-31 LO
Part #:724980
Catalog #:NP-31 LO
KEY FEATURES
- Powder coated epoxy cast iron housing with extended inner ring bearings
- Zone hardened inner ring with 120° spacing setscrew locking with diamond faceted setscrews
- Extra low drag seal cut down felt labyrinth seal and flinger
- Nylon retainer to reduce overall drag
- Channeling grease that helps reduce drag while lubricating the bearing
- Sealmaster® exclusive lock pin and dimple for direct lubrication and anti-rotation
- Looser than standard housing fit for ease of alignment on lightweight frames
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Product Specifications
Dimensions
| Base Width (in): | 2.38 in | Overall Height (in): | 4.56 in |
| Overall Length (in): | 8.13 in | Overall Width (in): | 2.38 in |
| Bolt Size (in): | 5/8 in | Bore Diameter (in): | 1.9375 in |
| Foot Height (in): | 0.75 in | Base to Center Height (in): | 2.2500 in |
| Length Through Bore (in): | 2.031 in | Bolt Spacing Min (in): | 6 in |
| Bolt Spacing Max (in): | 6.5 in | Centerline to Outermost Bearing Face (in): | 1.281 in |
Technical Specifications
| Rolling Element: | Ball Bearing | Housing Base: | Solid |
| Bore Shape: | Straight | Housing Construction: | One Piece |
| Housing Color: | Black | Misalignment Type: | Static Only |
| Options: | Low Drag | Outer Ring Land Profile: | Standard |
| Cage Material: | PPS - Polyphenylene Sulfide | Seal Type: | Labryinth Seal |
| Housing Type: | Pillow Block, Two Bolt | Housing Style: | Pillow Block |
| Ability to Relubricate: | Yes | Inner Race Heat Treat Method: | Zone-Hardened |
| Lubricant: | Lithium NLGI 2 Low Torque Grease | Dynamic Load Rating (lb): | 7,889 lb |
| Misalignment Capability: | ±2.0° Misalignment - Static Only | Housing Coating: | Powder Coated |
| Base Length (in): | 8.13 in | Vibration Frequency Inner Ring Defect: | 0.0984 cps |
| Housing Material: | Cast Iron | Bearing Type: | Standard Duty |
| Size Code: | 2-115 | Radial Clearance: | Standard |
| Max Operating Temperature (F): | 220 °F | Fixed vs. Expansion: | Fixed |
| Static Load Rating (lb): | 5,216 lb | Shaft Locking Type: | Set Screw |
| Vibration Frequency Outer Ring Defect: | 0.0683 cps | Grease Fitting Thread Size: | 1/8 NPT |
| Maximum Speed (RPM): | 2800 rpm | Bearing Insert Material: | 52100 Bearing Steel |
| Vibration Frequency Fundamental Train: | 0.0068 cps | Bearing Insert Finish: | Black Oxide |
| Inner Ring Outside Diameter (in): | 2.469 in | Cage Type: | Land Riding Retainer |
| End Cap Available: | No | Vibration Frequency Roller Spin: | 0.0445 cps |
| Insert: | 2-115 LO |
General Specifications
| UPC: | 662461321195 | Weight: | 7.90 LB |
| Packaged Length: | 9.00 IN | Packaged Width: | 5.19 IN |
| Packaged Height: | 2.38 IN | HTC: | 8483.20.8040 |
| Country of Origin: | United States of America |