Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Concentric Lock - High Temperature - NP-31T HT
Part #:724173
Catalog #:NP-31T HT
KEY FEATURES
- Powder coated epoxy cast iron housing with extended inner ring bearings
- Skwezloc® concentric locking for near perfect concentricity
- High temperature felt labyrinth seal and flinger for dry and dusty environment
- Increased internal clearance and high temperature grease
- 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
| Overall Length (in): | 8.13 in | Base Width (in): | 2.38 in |
| Overall Width (in): | 2.38 in | Overall Height (in): | 4.56 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): | 2.09 in | Bolt Spacing Max (in): | 6.5 in |
| Bolt Spacing Min (in): | 6 in | Centerline to Outermost Bearing Face (in): | 1.34 in |
Technical Specifications
| Housing Base: | Solid | Rolling Element: | Ball Bearing |
| Bore Shape: | Straight | Housing Construction: | One Piece |
| Housing Color: | Black | Outer Ring Land Profile: | Standard |
| Misalignment Type: | Static Only | Options: | High Temperature |
| Cage Material: | PPS - Polyphenylene Sulfide | Seal Type: | High Temp Labyrinth Seal |
| Housing Type: | Pillow Block, Two Bolt | Housing Style: | Pillow Block |
| Locking Collar Outside Diameter (in): | 3.38 in | Ability to Relubricate: | Yes |
| Inner Race Heat Treat Method: | Zone-Hardened | Maximum Speed (RPM): | 1550 rpm |
| Radial Clearance: | Increased | Housing Coating: | Powder Coated |
| Lubricant: | Synthetic NLGI 2 High Temperature Grease | Shaft Locking Type: | Concentric |
| Cage Type: | Land Riding Retainer | Inner Ring Outside Diameter (in): | 2.469 in |
| Vibration Frequency Outer Ring Defect: | 0.0683 cps | Vibration Frequency Inner Ring Defect: | 0.0984 cps |
| Housing Material: | Cast Iron | Max Operating Temperature (F): | 400 °F |
| Dynamic Load Rating (lb): | 7,889 lb | Grease Fitting Thread Size: | 1/8 NPT |
| Static Load Rating (lb): | 5,216 lb | Bearing Insert Material: | 52100 Bearing Steel |
| End Cap Available: | No | Misalignment Capability: | ±2.0° Misalignment - Static Only |
| Vibration Frequency Fundamental Train: | 0.0068 cps | Fixed vs. Expansion: | Fixed |
| Size Code: | 2-115 | Bearing Insert Finish: | Black Oxide |
| Insert: | 2-115T HT | Vibration Frequency Roller Spin: | 0.0445 cps |
| Bearing Type: | Standard Duty | Base Length (in): | 8.13 in |
General Specifications
| UPC: | 662461314425 | Weight: | 8.50 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 |

