Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Concentric Lock - High Temperature & Air Handling Housing Fit, Noise Tested - NP-31T HTA
Part #:724647
Catalog #:NP-31T HTA
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
- Looser than standard housing fit for ease of alignment on lightweight frames
- Air Handling noise check for quiet operation
- Sealmaster® exclusive lock pin and dimple for direct lubrication and anti-rotation
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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): | 2.09 in | Bolt Spacing Min (in): | 6 in |
| Centerline to Outermost Bearing Face (in): | 1.34 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 | Options: | High Temperature and Air Handling Housing Fit, Noise Tested |
| Housing Color: | Black | Outer Ring Land Profile: | Standard |
| 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 | Inner Race Heat Treat Method: | Zone-Hardened |
| Ability to Relubricate: | Yes | Bearing Insert Finish: | Black Oxide |
| Cage Type: | Land Riding Retainer | Vibration Frequency Inner Ring Defect: | 0.0984 cps |
| Base Length (in): | 8.13 in | Inner Ring Outside Diameter (in): | 2.469 in |
| Vibration Frequency Roller Spin: | 0.0445 cps | Housing Coating: | Powder Coated |
| Fixed vs. Expansion: | Fixed | Shaft Locking Type: | Concentric |
| Lubricant: | Synthetic NLGI 2 High Temperature Grease | End Cap Available: | No |
| Insert: | 2-115T HT | Size Code: | 2-115 |
| Max Operating Temperature (F): | 400 °F | Dynamic Load Rating (lb): | 7,889 lb |
| Bearing Insert Material: | 52100 Bearing Steel | Radial Clearance: | Increased |
| Maximum Speed (RPM): | 1550 rpm | Misalignment Capability: | ±2.0° Misalignment - Static Only |
| Vibration Frequency Fundamental Train: | 0.0068 cps | Housing Material: | Cast Iron |
| Grease Fitting Thread Size: | 1/8 NPT | Vibration Frequency Outer Ring Defect: | 0.0683 cps |
| Bearing Type: | Standard Duty | Static Load Rating (lb): | 5,216 lb |
General Specifications
| UPC: | 662461318003 | 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 |