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- PB250N Series Normal-Duty Pillow Block
- 3/4" Shaft
- 3 11/16" Bolt Centers
- 1 1/4" Center Line to Base
- Setscrew Locking Collar
features
- Molded glass fiber reinforced polyamide retainer
- Grade 10 balls
- Races and balls are 52100 steel, hardened, ground, and honed for quiet operation
- Slotted bolt holes
- Rugged cast iron or Hub-Alloy® housing
- Zone-hardened inner race
- Prelubricated with high quality lithium grease. 1/4-28 Zerk fitting provided to allow for relube
- Choice of narrow or wide inner race, setscrew locking or eccentric collar locking, normal-duty, or medium-duty bearings
- Knurled cup point setscrews at 120° to minimize inner ring distortion
- Recessed housing base to accommodate uneven mounting surfaces
- Spherical outer race to allow up to 1.5° misalignment
- All bearings have single lip Nitrile rubber seals with steel trash guard
- Steel fingers are standard on wide inner race bearings only
| Pillow Block Type | Thru-Bolt |
| Overall Width | 1 13/32 in |
| Inch/Metric | Inch |
| Temperature Range [Max] | 225 °F |
| Mounted Unit Duty | Normal-Duty |
| Series | PB250N |
| Length Through Bore | 1.004 in |
| Bearing Insert | B250X3/4 |
| Bearing Type | Ball Bearing |
| Bolt Hole Spacing | 3 11/16 in |
| Base Width | 1 3/8 in |
| Lubrication | Relubricatable |
| Bearing Design | Non-Expansion |
| Housing Construction | 1 Piece |
| Center of Bearing to Front of Inner Ring | 0.72 in |
| Housing Height | 2 1/2 in |
| Seal Type | Contact Seals |
| Base Length | 5 1/8 in |
| Base Height | 1/2 in |
| Misalignment Range | ±1 1/2° |
| Housing Width | 1 3/8 in |
| Bolt Holes | 2 |
| Shaft Dia. | 0.75 in |
| Bolt Hole Spacing Range [Max] | 4 1/8 in |
| End Type | Open End |
| Collar O.D. | 1.11 in |
| Insert Type | Steel Insert |
| Temperature Range [Min] | -25 °F |
| Housing Material | Cast Iron - Nickel Plated |
| Locking Device | Setscrew Locking Collar |
| Bolt Size | 3/8 in |
| Weight | 2.0 LB |
| EAN or UPC | 662798249346 |
