Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - MP-51C
Part #:704222
Catalog #:MP-51C
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
- Single lip contact seal
- 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): | 8 in | Overall Width (in): | 4.00 in |
| Overall Length (in): | 15 in | Base Width (in): | 4.00 in |
| Bolt Size (in): | 7/8 in | Bore Diameter (in): | 3.1875 in |
| Foot Height (in): | 1.25 in | Base to Center Height (in): | 4.0000 in |
| Length Through Bore (in): | 3.375 in | Bolt Spacing Min (in): | 9.69 in |
| Bolt Spacing Max (in): | 12.56 in | Centerline to Outermost Bearing Face (in): | 2.031 in |
Technical Specifications
| Rolling Element: | Ball Bearing | Housing Base: | Solid |
| Bore Shape: | Straight | Housing Construction: | One Piece |
| Housing Color: | Black | Misalignment Type: | Static Only |
| Outer Ring Land Profile: | Standard | Cage Material: | Brass |
| 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 | Setscrew Torque (in-lbs): | 350-450 in/lbs |
| Radial Clearance: | Standard | Lubricant: | Lithium Complex NLGI 2 Grease |
| Dynamic Load Rating (lb): | 18,681 lb | Static Load Rating (lb): | 14,496 lb |
| Vibration Frequency Inner Ring Defect: | 0.1071 cps | Vibration Frequency Fundamental Train: | 0.0069 cps |
| Base Length (in): | 15.00 in | Max Operating Temperature (F): | 220 °F |
| Shaft Locking Type: | Set Screw | Inner Ring Outside Diameter (in): | 4.156 in |
| Vibration Frequency Outer Ring Defect: | 0.0762 cps | Bearing Insert Material: | 52100 Bearing Steel |
| Fixed vs. Expansion: | Fixed | Insert: | 3-33C |
| Cage Type: | Land Riding Retainer | Misalignment Capability: | ±2.0° Misalignment - Static Only |
| Bearing Insert Finish: | Black Oxide | Grease Fitting Thread Size: | 1/4 NPT |
| Vibration Frequency Roller Spin: | 0.0479 cps | Bearing Type: | Medium Duty |
| Size Code: | 2-37 | Housing Coating: | Powder Coated |
| Housing Material: | Cast Iron | Maximum Speed (RPM): | 1850 rpm |
| End Cap Available: | No |
General Specifications
| UPC: | 662461026809 | Weight: | 44.10 LB |
| Packaged Length: | 17.25 IN | Packaged Width: | 9.88 IN |
| Packaged Height: | 4.88 IN | HTC: | 8483.20.8040 |
| Country of Origin: | United States of America |

