Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - High Temperature - NP-20 HI
Part #:724924
Catalog #:NP-20 HI
KEY FEATURES
- Powder coated epoxy cast iron housed, extended inner ring bearings in expansion ring allowing for axial expansion
- Zone hardened inner ring with 120° spacing setscrew lock with diamond faceted setscrews
- High temperature felt labyrinth seal and flinger
- Increased internal clearance
- Krytox® high temperature grease
- 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): | 1.88 in | Overall Height (in): | 3.75 in |
| Overall Width (in): | 1.88 in | Overall Length (in): | 6.56 in |
| Bolt Size (in): | 1/2 in | Bore Diameter (in): | 1.25 in |
| Foot Height (in): | 0.63 in | Base to Center Height (in): | 1.875 in |
| Length Through Bore (in): | 1.685 in | Bolt Spacing Max (in): | 5.31 in |
| Bolt Spacing Min (in): | 4.69 in | Centerline to Outermost Bearing Face (in): | 1 in |
| Bolt Spacing (in): | 5 in |
Technical Specifications
| Housing Base: | Solid | Rolling Element: | Ball Bearing |
| Bore Shape: | Straight | Housing Construction: | One Piece |
| Options: | High Temperature | Housing Color: | Black |
| Misalignment Type: | Static Only | 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 |
| Inner Race Heat Treat Method: | Zone-Hardened | Ability to Relubricate: | Yes |
| Grease Fitting Thread Size: | 1/4-28 | Max Operating Temperature (F): | 400 °F |
| Maximum Speed (RPM): | 2200 rpm | Static Load Rating (lb): | 3,493 lb |
| Vibration Frequency Inner Ring Defect: | 0.0905 cps | Bearing Insert Finish: | Black Oxide |
| Shaft Locking Type: | Set Screw | Radial Clearance: | Increased |
| Size Code: | 2-17 | Base Length (in): | 6.56 in |
| Lubricant: | PTFE thickened Grease | Fixed vs. Expansion: | Fixed |
| Bearing Insert Material: | 52100 Bearing Steel | Vibration Frequency Roller Spin: | 0.0386 cps |
| Vibration Frequency Outer Ring Defect: | 0.0595 cps | End Cap Available: | No |
| Insert: | 2-14 HI | Housing Coating: | Powder Coated |
| Bearing Type: | Standard Duty | Misalignment Capability: | ±2.0° Misalignment - Static Only |
| Vibration Frequency Fundamental Train: | 0.0066 cps | Dynamic Load Rating (lb): | 5,782 lb |
| Housing Material: | Cast Iron | Inner Ring Outside Diameter (in): | 1.851 in |
| Cage Type: | Land Riding Retainer |
General Specifications
| UPC: | 662461318164 | Weight: | 4.50 LB |
| Packaged Length: | 4.38 IN | Packaged Width: | 2.06 IN |
| Packaged Height: | 6.81 IN | HTC: | 8483.20.8040 |
| Country of Origin: | United States of America |

