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Blue cast-iron four-bolt flange bearing with alloy steel ball insert, 1-1/4 inch bore

Tritan

Tritan HCFU206-20 Flange Bearing collectible

SKU CH-7GAK-V82KY

A 4-bolt square flange bearing with a 1-1/4 inch cylindrical bore and double-sealed radial ball insert

  • TypeBearings, V-belts & Power Transmission Equipment
  • ColorBlue
  • Alloy steel insert resists wear in radial ball operation
  • Double sealed closure keeps lubricant in from -40 to 250 °F
  • Cast iron housing with four bolt holes gives rigid mounting
  • 1-1/4" cylindrical bore fits standard shafts directly
  • NLGI #2 equivalent grease factory-filled for immediate use

Industrial Flange Bearing

The TRITAN HCFU206-20 is a 4-bolt square flange bearing designed for power transmission equipment. It features a 1-1/4 inch cylindrical bore with a fixed expansion type and double sealed closure. The housing is constructed from cast iron and includes an HC206-20 alloy steel radial ball bearing insert. This unit suits maintenance teams replacing worn mounted bearings on conveyor or processing machinery.

Temperature Range and Lubrication

The bearing operates across a broad temperature span from -40 degrees F to 250 degrees F. It is factory lubricated with an NLGI #2 equivalent grease suitable for general industrial environments. The double sealed design helps retain lubricant and exclude contaminants during normal operation. Cast iron housing provides structural rigidity for consistent alignment under standard radial loads.

Sustained Load Behaviour

Under continuous duty the fixed housing maintains bore alignment while the alloy steel insert handles radial forces. The double seals sustain their barrier function over extended cycles at the rated temperature limits. Lubricant life will vary with speed, load and ambient conditions within the specified range. Mounting hole centres measure 3-1/4 inches for secure attachment to machinery frames.

Highlights

  • Alloy steel insert resists wear in radial ball operation
  • Double sealed closure keeps lubricant in from -40 to 250 °F
  • Cast iron housing with four bolt holes gives rigid mounting
  • 1-1/4" cylindrical bore fits standard shafts directly
  • NLGI #2 equivalent grease factory-filled for immediate use

Specifications

BrandTRITAN
TypeBearings, V-belts & Power Transmission Equipment
ColorBlue

Questions about this item

How do I bolt the 4-bolt square housing to the frame without misaligning the 3-1/4" centre-to-centre holes?

Mark the 3-1/4 inch centre-to-centre pattern, drill four clearance holes, place the cast-iron housing flat, start all four bolts by hand, then torque in a cross pattern so the 1-1/4 inch bore stays true.

When should I re-grease the double-sealed HC206-20 insert that ships with NLGI #2 equivalent lubricant?

Plan relubrication every few thousand hours or when the housing feels warm near the 250 °F limit; pump fresh NLGI #2 grease through the fitting until clean grease purges at the seals.

At what temperature does the fixed-expansion cast-iron unit hit its thermal limit during continuous duty?

The bearing is rated to 250 °F maximum and -40 °F minimum; sustained operation above 250 °F will degrade the alloy-steel insert and double seals first.

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