
- PB250HW Series Normal-Duty Pillow Block
- 7/8" Shaft
- 4 1/16" Bolt Centers
- 1 5/16" 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
Bearing Design | Non-Expansion |
Lubrication | Relubricatable |
Housing Height | 2 5/8 in |
Mounted Unit Duty | Normal-Duty |
Inch/Metric | Inch |
Bearing Type | Ball Bearing |
Misalignment Range | ±1 1/2° |
Housing Width | 1 1/2 in |
Base Length | 5 3/8 in |
Housing Construction | 1 Piece |
Bolt Holes | 2 |
Bolt Hole Spacing Range [Min] | 3 5/8 in |
Bolt Hole Spacing | 4 1/16 in |
Base Height | 1/2 in |
Center of Bearing to Front of Inner Ring | 0.78 in |
Collar O.D. | 1.328 in |
Bolt Hole Spacing Range [Max] | 4 1/2 in |
Overall Width | 1 17/32 in |
Seal Type | Contact Seals |
Bearing Insert | YW250X7/8 |
Base Width | 1 1/2 in |
Locking Device | Setscrew Locking Collar |
Temperature Range [Min] | -25 °F |
Temperature Range [Max] | 225 °F |
Bolt Size | 3/8 in |
End Type | Open End |
Shaft Dia. | 0.875 in |
Pillow Block Type | Thru-Bolt |
Series | PB250HW |
Length Through Bore | 1.343 in |
Insert Type | Steel Insert |
Housing Material | Hub-Alloy® |
Weight | 1.6 LB |
EAN or UPC | 662798250281 |
