Sealmaster Mounted Stainless Steel Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - Corrosion Resistant - NP-28C CR
Part #:723527
Catalog #:NP-28C CR
KEY FEATURES
- Single lip contact seal with black oxide bearing races
- High quality solid base designed investment cast passivated 316 stainless steel casting providing the highest amount corrosion resistance currently available for stainless steel housings.
- 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.
- 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.
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Product Specifications
Dimensions
| Overall Width (in): | 2.13 in | Overall Length (in): | 7.5 in |
| Base Width (in): | 2.13 in | Overall Height (in): | 4.25 in |
| Bolt Size (in): | 1/2 in | Bore Diameter (in): | 1.75 in |
| Base to Center Height (in): | 2.13 in | Foot Height (in): | 0.69 in |
| Length Through Bore (in): | 1.938 in | Bolt Spacing Min (in): | 5.44 in |
| Bolt Spacing Max (in): | 6.06 in | Centerline to Outermost Bearing Face (in): | 1.188 in |
Technical Specifications
| Housing Base: | Solid | Rolling Element: | Ball Bearing |
| Bore Shape: | Straight | Housing Construction: | One Piece |
| Misalignment Type: | Static Only | Options: | Corrosion Resistant |
| Housing Color: | Silver | Outer Ring Land Profile: | Standard |
| Cage Material: | PPS - Polyphenylene Sulfide | Housing Type: | Pillow Block, Two Bolt |
| Seal Type: | Single Lip Contact Seal | Housing Style: | Pillow Block |
| Ability to Relubricate: | Yes | Setscrew Torque (in-lbs): | 125-165 in/lbs |
| Inner Race Heat Treat Method: | Zone-Hardened | Bearing Insert Finish: | Black Oxide |
| Fixed vs. Expansion: | Fixed | Maximum Speed (RPM): | 3800 rpm |
| Misalignment Capability: | ±2.0° Misalignment - Static Only | Bearing Type: | Standard Duty |
| Vibration Frequency Outer Ring Defect: | 0.0673 cps | Static Load Rating (lb): | 5,139 lb |
| Housing Material: | Stainless Steel | Lubricant: | Calcium Sulfonate NLGI 2 NSF H1 Food Grade Grease |
| Size Code: | 2-111 | Cage Type: | Land Riding Retainer |
| Bearing Insert Material: | 52100 Bearing Steel | Base Length (in): | 7.50 in |
| Insert: | 2-112C FG2 | Radial Clearance: | Standard |
| Max Operating Temperature (F): | 220 °F | Vibration Frequency Roller Spin: | 0.0417 cps |
| Inner Ring Outside Diameter (in): | 2.063 in | Vibration Frequency Fundamental Train: | 0.0067 cps |
| Vibration Frequency Inner Ring Defect: | 0.0994 cps | Shaft Locking Type: | Set Screw |
| Dynamic Load Rating (lb): | 7,901 lb | Grease Fitting Thread Size: | 1/4-28 |
| End Cap Available: | No |
General Specifications
| UPC: | 662461234884 | Weight: | 6.50 LB |
| Packaged Length: | 5.19 IN | Packaged Width: | 2.13 IN |
| Packaged Height: | 7.81 IN | HTC: | 8483.20.8040 |
| Country of Origin: | United States of America |