Sealmaster Mounted Flouropolymer Coated Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - Corrosion Resistant - MP-28C CR
Part #:703276
Catalog #:MP-28C CR
KEY FEATURES
- Single lip contact seal with black oxide bearing races
- Fluoropolymer coated cast iron housing for corrosion resistance.
- Zone hardened inner ring with 120° spacing setscrew lock with corrosion resistant 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.
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Product Specifications
Dimensions
| Overall Length (in): | 8.75 in | Overall Width (in): | 2.63 in |
| Base Width (in): | 2.63 in | Overall Height (in): | 4.63 in |
| Bolt Size (in): | 5/8 in | Bore Diameter (in): | 1.75 in |
| Foot Height (in): | 0.81 in | Base to Center Height (in): | 2.5000 in |
| Length Through Bore (in): | 2.031 in | Bolt Spacing Max (in): | 6.81 in |
| Centerline to Outermost Bearing Face (in): | 1.281 in | Bolt Spacing Min (in): | 5.44 in |
Technical Specifications
| Rolling Element: | Ball Bearing | Housing Base: | Solid |
| Bore Shape: | Straight | Housing Construction: | One Piece |
| Outer Ring Land Profile: | Standard | Housing Color: | Gray |
| Options: | Corrosion Resistant | Misalignment Type: | Static Only |
| Cage Material: | PPS - Polyphenylene Sulfide | Seal Type: | Single Lip Contact Seal |
| Housing Type: | Pillow Block, Two Bolt | Housing Style: | Pillow Block |
| Inner Race Heat Treat Method: | Zone-Hardened | Ability to Relubricate: | Yes |
| Housing Coating: | Fluoropolymer Coated | Misalignment Capability: | ±2.0° Misalignment - Static Only |
| Grease Fitting Thread Size: | 1/8 NPT | Bearing Insert Finish: | Black Oxide |
| Fixed vs. Expansion: | Fixed | Lubricant: | Calcium Sulfonate NLGI 2 NSF H1 Food Grade Grease |
| Maximum Speed (RPM): | 3550 rpm | Size Code: | 2-115 |
| End Cap Available: | No | Vibration Frequency Inner Ring Defect: | 0.0984 cps |
| Base Length (in): | 9.50 in | Vibration Frequency Outer Ring Defect: | 0.0683 cps |
| Inner Ring Outside Diameter (in): | 2.469 in | Cage Type: | Land Riding Retainer |
| Bearing Insert Material: | 52100 Bearing Steel | Max Operating Temperature (F): | 220 °F |
| Vibration Frequency Fundamental Train: | 0.0068 cps | Vibration Frequency Roller Spin: | 0.0445 cps |
| Insert: | 3-112C FG2 | Dynamic Load Rating (lb): | 7,889 lb |
| Shaft Locking Type: | Set Screw | Housing Material: | Cast Iron |
| Static Load Rating (lb): | 5,216 lb | Bearing Type: | Medium Duty |
| Radial Clearance: | Standard |
General Specifications
| UPC: | 662461245934 | Weight: | 9.15 LB |
| Packaged Length: | 8.88 IN | Packaged Width: | 5.94 IN |
| Packaged Height: | 2.63 IN | HTC: | 8483.20.8040 |
| Country of Origin: | United States of America |

