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Blue cast iron pillow block bearing, 3 inch bore, set screw locking, double sealed, radial ball insert, bolt-through mount

Tritan

Tritan UCP215-48 collectible pillow block bearing cast iron 3 in bore

SKU CH-788Q-81DK6

Cast-iron pillow block with 3 in cylindrical bore, double-sealed radial ball insert and set-screw locking for fixed mounting

  • TypeBearings, V-belts & Power Transmission Equipment
  • ColorBlue
  • Durable cast-iron housing withstands heavy industrial loads
  • Double-sealed closure keeps contaminants out for longer life
  • Factory-greased bearing operates from -40 °F to 250 °F
  • Fixed expansion design maintains precise shaft alignment
  • Bolt-through mounting with 8 17/32 in center spacing speeds installation

Tritan UCP215-48 Pillow Block Bearing

The Tritan UCP215-48 is a new cast iron pillow block bearing with a 3 in cylindrical bore. It uses a set screw locking mechanism and a radial ball insert made from alloy steel. The housing is finished in blue and mounts via bolt-through holes with an 8 17/32 in center-to-center spacing. It suits maintenance teams and collectors who need a fixed, double-sealed unit for display or light demonstration.

Sustained load behaviour

The bearing operates between -40 Degrees F and 250 Degrees F, allowing continuous running in cold stores or warm plant areas without seal degradation. Grease lubrication is factory-filled, so re-lubrication intervals follow standard practice rather than a burst-service schedule. The fixed expansion type keeps the shaft located axially during thermal cycling, preventing creep that can loosen set screws over time.

Installation and common issues

Bolt-through mounting uses the 8 17/32 in square pattern; verify hole alignment before tightening to avoid housing stress. Over-torquing the set screws can distort the inner ring, causing premature noise or vibration. Ensure the shaft diameter matches the 3 in bore exactly; an undersized shaft allows fretting, while an oversized shaft prevents seating.

Highlights

  • Durable cast-iron housing withstands heavy industrial loads
  • Double-sealed closure keeps contaminants out for longer life
  • Factory-greased bearing operates from -40 °F to 250 °F
  • Fixed expansion design maintains precise shaft alignment
  • Bolt-through mounting with 8 17/32 in center spacing speeds installation

Specifications

BrandTRITAN
TypeBearings, V-belts & Power Transmission Equipment
ColorBlue

Questions about this item

How hot does the 3 in bore UCP215-48 run during continuous duty?

The bearing is rated for a maximum operating temperature of 250 degrees F and a minimum of -40 degrees F, so it handles sustained heat within that range.

What mounting hardware must I already have to install this pillow block?

You need bolts that match the 8 17/32 in center-to-center hole spacing in both length and width, plus a flat surface for the cast-iron base.

Will the 3 in cylindrical bore fit onto an existing 3 in shaft without modification?

Yes, the cylindrical bore is sized for a standard 3 in shaft and uses set-screw locking, so it clamps directly without adapters.

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