Hub City | PB251NX1 3/4 | PB251N Series Nickel Plated Pillow Block

PB251NX1 3/4

PB251N Series Nickel Plated Pillow Block

Item #101033146

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

Bolt Holes	2
Length Through Bore	1.634 in
Base Width	2 in
Inch/Metric	Inch Bore
Housing Construction	1 Piece
Misalignment Range	±1 1/2°
Bearing Design	Non-Expansion
Bearing Insert	B250X1 3/4
Lubrication	Relubricatable
Housing Height	4 1/4 in
Bolt Hole Spacing	5 13/16 in
Pillow Block Type	Thru-Bolt
Housing Material	Cast Iron - Nickel Plated
Collar O.D.	2.236 in
Seal Type	Contact Seals
Base Length	7 3/8 in
Overall Width	2 13/64 in
Housing Width	2 in
Bolt Hole Spacing Range [Min]	5 3/8 in
Temperature Range [Max]	225 °F
Mounted Unit Duty	Normal-Duty
Temperature Range [Min]	-25 °F
Series	PB251N
Insert Type	Steel Insert
End Type	Open End
Center of Bearing to Front of Inner Ring	1.201 in
Bearing Type	Ball Bearing
Locking Device	Setscrew Locking Collar
Bolt Size	1/2 in
Base Height	13/16 in
Shaft Dia.	1.75 in
Bolt Hole Spacing Range [Max]	6 1/4 in
Weight	6.0 LB
EAN or UPC	662798249742

PB251NX1 3/4