| Category | Pillow Block |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight | 2.088 |
| Product Group | M06110 |
| Number of Mounting Holes | 2 |
| Mounting Method | Set Screw |
| Housing Style | 2 Bolt Pillow Block |
| Rolling Element | Ball Bearing |
| Housing Material | Cast Iron |
| Expansion / Non-expansion | Non-expansion |
| Mounting Bolts | 1/2 Inch |
| Relubricatable | Yes |
| Insert Part Number | MB251-12-FFPA |
| Seals | Free Running FF |
| Housing Configuration | 1 Piece Solid |
| Inch - Metric | Inch |
| Other Features | Single Row | Standard Duty | 50% Grease Fill | Flingers Only |
| Long Description | 2 Bolt Pillow Block; 1-1/2" Bore; 2-1/8" Base to Center Height; Set Screw Mount; Ball Bearing; 5-1/32" Minimum Bolt Spacing; 6-1/32" Bolt Spacing Maximum; Relubricatable; Cast Iron |
| UNSPSC | 31171511 |
| Harmonized Tariff Code | 8483.20.40.40 |
| Noun | Bearing |
| Keyword String | Pillow Block |
| Manufacturer Item Number | C251-12-FF |
| Manufacturer Internal Number | 5804226 |
| Weight / LBS | 4.6 |
| B | 2.125 Inch | 53.98 Millimeter |
| d | 1.5 Inch | 38.1 Millimeter |
| Nominal Bolt Center to Center | 5.5 Inch | 140 Millimeter |
| Bolt Spacing Minimum | 5.031 Inch | 127.787Millimeter |
| Actual Bolt Center to Center | 0 Inch | 0Millimeter |
| Bolt Spacing Maximum | 6.031 Inch | 153.187Millimeter |
| D | 1.656 Inch | 42.06 Millimeter |
