Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Double Setscrew Lock - MPD-20
Part #:702293
Catalog #:MPD-20
KEY FEATURES
- Powder coated epoxy cast iron housing with extended inner ring bearings
- Zone hardened inner ring with 120° spacing setscrew locking on both sides of ball path 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 Height (in): | 3.81 in | Base Width (in): | 2.25 in |
| Overall Width (in): | 2.25 in | Overall Length (in): | 6.88 in |
| Bolt Size (in): | 1/2 in | Bore Diameter (in): | 1.25 in |
| Foot Height (in): | 0.69 in | Base to Center Height (in): | 1.875 in |
| Length Through Bore (in): | 1.998 in | Centerline to Outermost Bearing Face (in): | 1 in |
| Bolt Spacing Max (in): | 5.5 in | Bolt Spacing Min (in): | 4.5 in |
| Bolt Spacing (in): | 5 in |
Technical Specifications
| Housing Base: | Solid | Rolling Element: | Ball Bearing |
| Bore Shape: | Straight | Housing Construction: | One Piece |
| Outer Ring Land Profile: | Standard | Housing Color: | Black |
| Misalignment Type: | Static Only | 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 | Static Load Rating (lb): | 3,493 lb |
| Housing Material: | Cast Iron | Grease Fitting Thread Size: | 1/4-28 |
| Inner Ring Outside Diameter (in): | 1.851 in | Max Operating Temperature (F): | 220 °F |
| Vibration Frequency Outer Ring Defect: | 0.0595 cps | Size Code: | 2-17 |
| Vibration Frequency Fundamental Train: | 0.0066 cps | Base Length (in): | 6.88 in |
| Cage Type: | Land Riding Retainer | Shaft Locking Type: | Double Set Screw |
| Fixed vs. Expansion: | Fixed | Vibration Frequency Inner Ring Defect: | 0.0905 cps |
| Insert: | 2-14D | Bearing Type: | Medium Duty |
| Vibration Frequency Roller Spin: | 0.0386 cps | Bearing Insert Material: | 52100 Bearing Steel |
| Lubricant: | Lithium Complex NLGI 2 Grease | Misalignment Capability: | ±2.0° Misalignment - Static Only |
| Dynamic Load Rating (lb): | 5,782 lb | Bearing Insert Finish: | Black Oxide |
| Maximum Speed (RPM): | 7600 rpm | End Cap Available: | No |
| Radial Clearance: | Standard | Housing Coating: | Powder Coated |
General Specifications
| UPC: | 662461016695 | Weight: | 5.40 LB |
| Packaged Length: | 4.63 IN | Packaged Width: | 2.31 IN |
| Packaged Height: | 7.50 IN | HTC: | 8483.20.8040 |
| Country of Origin: | United States of America |

