

Sealmaster NP-8 Mounted Cast Iron Two Bolt Pillow Block Ball Bearing Steel, Black Oxided - Setscrew Lock
- Regular price
- €87,95
- Sale price
- €87,95
- Regular price
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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
Description
The Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing is a robust, ready-to-mount bearing unit designed for reliable performance in normal to medium-duty applications. Featuring a solid one-piece cast iron housing, this pillow block ensures maximum strength and rigidity. The bearing insert, crafted from 52100 bearing steel with a black oxide coating, provides excellent corrosion resistance and durability. It utilizes a setscrew locking collar or Sealmaster’s exclusive Skwezloc® concentric locking collar for secure shaft attachment, minimizing slippage. The unit includes felt seals to protect against contaminants and retain lubrication, with a relubricatable design for extended bearing life. The two-bolt base allows for straightforward installation, supporting radial or radial-and-thrust loads. With a wide range of bore sizes and configurations, this bearing is ideal for applications such as conveyors, industrial machinery, and material handling systems. Sealmaster’s innovative features, like the lock pin and dimple system, enable direct lubrication and prevent outer ring rotation, ensuring optimal performance and reduced maintenance.
Specifications
Dimensions
Overall Height (in) | 2.44 in |
Overall Width (in) | 1.5 in |
Base Width (in) | 1.5 in |
Overall Length (in) | 5 in |
Bolt Size (in) | 3/8 in |
Bore Diameter (in) | 0.5 in |
Base to Center Height (in) | 1.1875 in |
Foot Height (in) | 0.5 in |
Length Through Bore (in) | 1.219 in |
Bolt Spacing Max (in) | 4.13 in |
Centerline to Outermost Bearing Face (in) | 0.719 in |
Bolt Spacing Min (in) | 3.38 in |
Bolt Spacing (in) | 3.75 in |
Technical Specifications
Rolling Element | Ball Bearing |
Housing Base | Solid |
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 |
Housing Style | Pillow Block |
Inner Race Heat Treat Method | Zone-Hardened |
Ability to Relubricate | Yes |
Bearing Type | Standard Duty |
Vibration Frequency Fundamental Train | 0.0065 cps |
Maximum Speed (RPM) | 7300 rpm |
Vibration Frequency Inner Ring Defect | 0.0915 cps |
Vibration Frequency Roller Spin | 0.0361 cps |
Bearing Insert Material | 52100 Bearing Steel |
End Cap Available | No |
Housing Material | Cast Iron |
Base Length (in) | 5 in |
Misalignment Capability | ±2.0° Misalignment - Static Only |
Cage Type | Land Riding Retainer |
Lubricant | Lithium Complex NLGI 2 Grease |
Insert | 2-08 |
Size Code | 2-012 |
Static Load Rating (lb) | 1,444 lb |
Inner Ring Outside Diameter (in) | 1.188 in |
Radial Clearance | Standard |
Housing Coating | Powder Coated |
Bearing Insert Finish | Black Oxide |
Vibration Frequency Outer Ring Defect | 0.0585 cps |
Shaft Locking Type | Set Screw |
Dynamic Load Rating (lb) | 2,611 lb |
Max Operating Temperature (F) | 220 °F |
Grease Fitting Thread Size | 1/4-28 |
Fixed vs. Expansion | Fixed |
General Specifications
UPC | 662461001486 |
Weight | 1.82 LB |
Packaged Length | 1.69 IN |
Packaged Width | 3.19 IN |
Packaged Height | 5.25 IN |
HTC | 8483.20.8040 |
Country of Origin | Mexico |
Manuals
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Disclaimer: Apollo Industries is not an authorized distributor, reseller, or representative of Regal Rexnord Corporation. All Regal Rexnord Corporation trademarks and product names are the property of their respective owners. We sell genuine Regal Rexnord Corporation products purchased through independent channels.