Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - Reduced Maintenance - Lubed for Life - NP-20 RM
Part #:715737
Catalog #:NP-20 RM
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
- Felt labyrinth seal and flinger for dry and dusty environment
- 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
- Reduced maintenance design with plug and includes Sealmaster® Tapered Lands ensures that lubricant will be easily redirected back to the raceway.
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Product Specifications
Dimensions
| Base Width (in): | 1.88 in | Overall Height (in): | 3.75 in |
| Overall Length (in): | 6.56 in | Overall Width (in): | 1.88 in |
| Bolt Size (in): | 1/2 in | Bore Diameter (in): | 1.25 in |
| Base to Center Height (in): | 1.875 in | Foot Height (in): | 0.63 in |
| Length Through Bore (in): | 1.685 in | Bolt Spacing Max (in): | 5.31 in |
| Centerline to Outermost Bearing Face (in): | 1 in | Bolt Spacing Min (in): | 4.69 in |
| Bolt Spacing (in): | 5 in |
Technical Specifications
| Rolling Element: | Ball Bearing | Housing Base: | Solid |
| Bore Shape: | Straight | Housing Construction: | One Piece |
| Misalignment Type: | Static Only | Outer Ring Land Profile: | Tapered Lands |
| Options: | Reduced Maintenance - Lubed for Life | Housing Color: | Black |
| 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: | No |
| Max Operating Temperature (F): | 220 °F | Bearing Insert Material: | 52100 Bearing Steel |
| Housing Coating: | Powder Coated | Lubricant: | Lithium Complex NLGI 2 Grease |
| Misalignment Capability: | ±2.0° Misalignment - Static Only | Maximum Speed (RPM): | 4650 rpm |
| Vibration Frequency Outer Ring Defect: | 0.0595 cps | Grease Fitting Thread Size: | 1/4-28 |
| Dynamic Load Rating (lb): | 5,782 lb | Insert: | 2-14 RM |
| Vibration Frequency Inner Ring Defect: | 0.0905 cps | Shaft Locking Type: | Set Screw |
| Fixed vs. Expansion: | Fixed | End Cap Available: | No |
| Housing Material: | Cast Iron | Cage Type: | Land Riding Retainer |
| Radial Clearance: | Standard | Base Length (in): | 6.56 in |
| Size Code: | 2-17 | Vibration Frequency Roller Spin: | 0.0386 cps |
| Bearing Type: | Standard Duty | Inner Ring Outside Diameter (in): | 1.851 in |
| Bearing Insert Finish: | Black Oxide | Vibration Frequency Fundamental Train: | 0.0066 cps |
| Static Load Rating (lb): | 3,493 lb |
General Specifications
| UPC: | 662461333655 | 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 |