Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - High Temperature & Air Handling Housing Fit, Noise Tested - NP-31 HTA
Part #:724616
Catalog #:NP-31 HTA
KEY FEATURES
- Powder coated epoxy cast iron housing with extended inner ring bearings
- Zone hardened inner ring with 120° spacing setscrew with diamond faceted setscrews
- 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
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 Height (in): | 4.56 in | Base Width (in): | 2.38 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 Max (in): | 6.5 in |
| Centerline to Outermost Bearing Face (in): | 1.281 in | Bolt Spacing Min (in): | 6 in |
Technical Specifications
| Rolling Element: | Ball Bearing | Housing Base: | Solid |
| Bore Shape: | Straight | Housing Construction: | One Piece |
| Options: | High Temperature and Air Handling Housing Fit, Noise Tested | Misalignment Type: | Static Only |
| 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 |
| Ability to Relubricate: | Yes | Inner Race Heat Treat Method: | Zone-Hardened |
| End Cap Available: | No | Vibration Frequency Roller Spin: | 0.0445 cps |
| Bearing Insert Finish: | Black Oxide | Vibration Frequency Fundamental Train: | 0.0068 cps |
| Size Code: | 2-115 | Inner Ring Outside Diameter (in): | 2.469 in |
| Maximum Speed (RPM): | 1550 rpm | Base Length (in): | 8.13 in |
| Max Operating Temperature (F): | 400 °F | Dynamic Load Rating (lb): | 7,889 lb |
| Housing Coating: | Powder Coated | Cage Type: | Land Riding Retainer |
| Housing Material: | Cast Iron | Bearing Type: | Standard Duty |
| Misalignment Capability: | ±2.0° Misalignment - Static Only | Static Load Rating (lb): | 5,216 lb |
| Grease Fitting Thread Size: | 1/8 NPT | Vibration Frequency Outer Ring Defect: | 0.0683 cps |
| Shaft Locking Type: | Set Screw | Radial Clearance: | Increased |
| Insert: | 2-115 HT | Lubricant: | Synthetic NLGI 2 High Temperature Grease |
| Vibration Frequency Inner Ring Defect: | 0.0984 cps | Bearing Insert Material: | 52100 Bearing Steel |
| Fixed vs. Expansion: | Fixed |
General Specifications
| UPC: | 662461317983 | 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 |