
- TPB250W Series Normal-Duty Tapped Base Pillow Block
- 1 3/8" Shaft
- 3 1/4" Bolt Centers
- 1 7/8" 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
Temperature Range [Max] | 225 °F |
Bolt Hole Spacing | 3 1/4 in |
Misalignment Range | ±1 1/2° |
Bolt Hole Spacing Range [Min] | 3 1/4 in |
Inch/Metric | Inch |
Bolt Hole Length | N/A |
Shaft Dia. | 1.375 in |
Housing Construction | 1 Piece |
Seal Type | Contact Seals |
Overall Width | 1 15/16 in |
Collar O.D. | 1.815 in |
Base Width | 1 7/8 in |
Bearing Insert | B250X1 3/8 |
Pillow Block Type | Tapped Base |
Insert Type | Steel Insert |
Center of Bearing to Front of Inner Ring | 1.004 in |
Bolt Size | 1/2-13 NC x 3/4 |
Temperature Range [Min] | -25 °F |
Length Through Bore | 1.378 in |
Base Height | N/A |
Series | TPB250W |
Locking Device | Setscrew Locking Collar |
Lubrication | Relubricatable |
Bearing Type | Ball Bearing |
Housing Width | 1 7/8 in |
Base Length | 4 1/4 in |
Housing Material | Cast Iron |
Bolt Holes | 2 |
Bolt Hole Spacing Range [Max] | 3 1/4 in |
End Type | Open End |
Housing Height | 3 3/4 in |
Mounted Unit Duty | Normal-Duty |
Bearing Design | Non-Expansion |
Weight | 3.0 LB |
EAN or UPC | 662798251493 |
