Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Concentric Lock - Low Drag - NP-31TX ALP
Part #:718870
Catalog #:NP-31TX ALP
KEY FEATURES
- Powder coated epoxy cast iron housing with extended inner ring bearings
- Skwezloc® concentric locking for near perfect concentricity
- Labyrinth seal and flinger with oil lubrication for reduced friction and adapter for relubrication
- Reduced internal clearance for less overall end play
- Looser than standard housing fit for ease of alignment
- 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 and dimple for direct lubrication and anti-rotation
How can we improve our Product Information?
Talk to one of our expert sales professionals about how this brand can efficiently power your business.
Product Specifications
Dimensions
| Base Width (in): | 2.38 in | Overall Width (in): | 2.38 in |
| Overall Length (in): | 8.13 in | Overall Height (in): | 4.56 in |
| Bolt Size (in): | 5/8 in | Bore Diameter (in): | 1.9375 in |
| Base to Center Height (in): | 2.2500 in | Foot Height (in): | 0.75 in |
| Length Through Bore (in): | 2.09 in | Centerline to Outermost Bearing Face (in): | 1.34 in |
| Bolt Spacing Min (in): | 6 in | Bolt Spacing Max (in): | 6.5 in |
Technical Specifications
| Rolling Element: | Ball Bearing | Housing Base: | Solid |
| Bore Shape: | Straight | Housing Construction: | One Piece |
| Misalignment Type: | Static Only | Outer Ring Land Profile: | Standard |
| Housing Color: | Black | Options: | Low Drag |
| Cage Material: | PPS - Polyphenylene Sulfide | Seal Type: | Labryinth Seal |
| Housing Type: | Pillow Block, Two Bolt | Housing Style: | Pillow Block |
| Ability to Relubricate: | Yes | Locking Collar Outside Diameter (in): | 3.38 in |
| Inner Race Heat Treat Method: | Zone-Hardened | Dynamic Load Rating (lb): | 7,889 lb |
| Housing Material: | Cast Iron | Vibration Frequency Fundamental Train: | 0.0068 cps |
| Lubricant: | Oil Coated Only - No Factory Grease Fill | Maximum Speed (RPM): | 5000 rpm |
| End Cap Available: | No | Grease Fitting Thread Size: | 1/8 NPT |
| Size Code: | 2-115 | Max Operating Temperature (F): | 220 °F |
| Cage Type: | Land Riding Retainer | Misalignment Capability: | ±2.0° Misalignment - Static Only |
| Inner Ring Outside Diameter (in): | 2.469 in | Radial Clearance: | Standard |
| Housing Coating: | Powder Coated | Insert: | 2-115TX HX |
| Vibration Frequency Outer Ring Defect: | 0.0683 cps | Base Length (in): | 8.13 in |
| Vibration Frequency Roller Spin: | 0.0445 cps | Vibration Frequency Inner Ring Defect: | 0.0984 cps |
| Shaft Locking Type: | Concentric | Fixed vs. Expansion: | Fixed |
| Bearing Insert Finish: | Black Oxide | Bearing Insert Material: | 52100 Bearing Steel |
| Bearing Type: | Standard Duty | Static Load Rating (lb): | 5,216 lb |
General Specifications
| UPC: | 662461104224 | Weight: | 8.70 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 |