Hub City | PB251NX2 1/4 | PB251N Series Nickel Plated Pillow Block

PB251NX2 1/4

PB251N Series Nickel Plated Pillow Block

Item #101033153

Cast Iron - Nickel Plated

Regreasable

Contact Seals

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Auto Replenish

each One-time purchase

Product Details

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

Specifications

Bearing Type	Ball Bearing
Bearing Design	Non-Expansion
Series	PB251N
Temperature Range [Max]	225 °F
Length Through Bore	1.909 in
Overall Width	2 5/8 in
Pillow Block Type	Thru-Bolt
End Type	Open End
Insert Type	Steel Insert
Housing Height	5 9/16 in
Misalignment Range	±1 1/2°
Bearing Insert	B250X2 1/4
Shaft Dia.	2.25 in
Base Width	2 1/2 in
Housing Material	Cast Iron - Nickel Plated
Bolt Hole Spacing Range [Max]	8 1/8 in
Bolt Hole Spacing	7 7/16 in
Base Height	1 3/16 in
Collar O.D.	2.978 in
Seal Type	Contact Seals
Housing Construction	1 Piece
Bolt Holes	2
Locking Device	Setscrew Locking Collar
Bolt Size	5/8 in
Base Length	9 5/8 in
Temperature Range [Min]	-25 °F
Mounted Unit Duty	Normal-Duty
Bolt Hole Spacing Range [Min]	6 3/4 in
Housing Width	2 1/2 in
Inch/Metric	Inch
Center of Bearing to Front of Inner Ring	1.378 in
Lubrication	Relubricatable
Weight	11.0 LB
EAN or UPC	662798249803

PB251NX2 1/4