Sealmaster Mounted Cast Iron Two Bolt Low Base Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - NPL-23
Part #:700580
Catalog #:NPL-23
KEY FEATURES
- Powder coated epoxy cast iron housing with extended inner ring bearings
- Zone hardened inner ring with 120° spacing setscrew locking with diamond faceted setscrews
- 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
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Product Specifications
Dimensions
| Overall Width (in): | 1.88 in | Base Width (in): | 1.88 in |
| Overall Length (in): | 6.56 in | Overall Height (in): | 3.69 in |
| Bolt Size (in): | 1/2 in | Bore Diameter (in): | 1.4375 in |
| Base to Center Height (in): | 1.8125 in | Foot Height (in): | 0.56 in |
| Length Through Bore (in): | 1.685 in | Bolt Spacing Max (in): | 5.31 in |
| Bolt Spacing (in): | 5 in | Centerline to Outermost Bearing Face (in): | 1 in |
| Bolt Spacing Min (in): | 4.69 in |
Technical Specifications
| Housing Base: | Solid | Rolling Element: | Ball Bearing |
| Bore Shape: | Straight | Housing Construction: | One Piece |
| Misalignment Type: | Static Only | Housing Color: | Black |
| Outer Ring Land Profile: | Standard | Cage Material: | PPS - Polyphenylene Sulfide |
| Seal Type: | Felt Labyrinth Seal | Housing Type: | Pillow Block, Two Bolt, Low Base |
| Housing Style: | Pillow Block | Ability to Relubricate: | Yes |
| Inner Race Heat Treat Method: | Zone-Hardened | Vibration Frequency Fundamental Train: | 0.0066 cps |
| Size Code: | 2-17 | Max Operating Temperature (F): | 220 °F |
| Bearing Insert Material: | 52100 Bearing Steel | Fixed vs. Expansion: | Fixed |
| Dynamic Load Rating (lb): | 5,782 lb | Housing Material: | Cast Iron |
| Vibration Frequency Inner Ring Defect: | 0.0905 cps | Vibration Frequency Outer Ring Defect: | 0.0595 cps |
| Housing Coating: | Powder Coated | Vibration Frequency Roller Spin: | 0.0386 cps |
| End Cap Available: | No | Cage Type: | Land Riding Retainer |
| Shaft Locking Type: | Set Screw | Bearing Type: | Standard Duty |
| Radial Clearance: | Standard | Insert: | 2-17 |
| Maximum Speed (RPM): | 4650 rpm | Bearing Insert Finish: | Black Oxide |
| Inner Ring Outside Diameter (in): | 1.851 in | Grease Fitting Thread Size: | 1/4-28 |
| Lubricant: | Lithium Complex NLGI 2 Grease | Static Load Rating (lb): | 3,493 lb |
| Misalignment Capability: | ±2.0° Misalignment - Static Only | Base Length (in): | 6.56 in |
General Specifications
| UPC: | 662461004654 | Weight: | 4.20 LB |
| Packaged Length: | 2.06 IN | Packaged Width: | 4.38 IN |
| Packaged Height: | 6.81 IN | HTC: | 8483.20.8040 |
| Country of Origin: | United States of America |

