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- PB251N Series Normal-Duty Pillow Block
- 1 3/8" Shaft
- 5 3/32" Bolt Centers
- 1 7/8" Center Line to Base
- Setscrew Locking Collar
| Shaft Dia. | 1.375 in |
| Bolt Holes | 2 |
| Housing Width | 1 7/8 in |
| Seal Type | Contact Seals |
| Series | PB251N |
| Housing Construction | 1 Piece |
| Mounted Unit Duty | Normal-Duty |
| Center of Bearing to Front of Inner Ring | 1.004 in |
| Bolt Size | 1/2 in |
| Overall Width | 1 15/16 in |
| Lubrication | Relubricatable |
| Bolt Hole Spacing Range [Max] | 5 1/2 in |
| Base Length | 6 3/4 in |
| Housing Material | Cast Iron - Nickel Plated |
| Pillow Block Type | Thru-Bolt |
| Misalignment Range | ±1 1/2° |
| Temperature Range [Max] | 225 °F |
| Inch/Metric | Inch |
| Bolt Hole Spacing Range [Min] | 4 11/16 in |
| Locking Device | Setscrew Locking Collar |
| Collar O.D. | 1.815 in |
| Base Width | 1 7/8 in |
| Length Through Bore | 1.378 in |
| Bearing Design | Non-Expansion |
| Bearing Type | Ball Bearing |
| Bolt Hole Spacing | 5 3/32 in |
| End Type | Open End |
| Temperature Range [Min] | -25 °F |
| Base Height | 11/16 in |
| Housing Height | 3 11/16 in |
| Weight | 4.0 LB |
| EAN or UPC | 662798249698 |
