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Blue cast iron 2-bolt flange bearing, UCFL207-21

Tritan

Tritan UCFL207-21 collectible

SKU CH-MKDQ-F77WD

A two-bolt flange bearing with a 1-5/16" cylindrical bore, alloy steel radial ball insert and cast-iron rhombus housing for fixed shaft mounting

  • TypeBearings, V-belts & Power Transmission Equipment
  • ColorBlue
  • Double-sealed closure keeps contaminants out for longer bearing life
  • Cast-iron rhombus housing provides rigid two-bolt mounting
  • Alloy-steel radial ball insert handles radial loads smoothly
  • Pre-filled with NLGI #2 equivalent grease ready for installation
  • Operates from -40 °F to 250 °F across harsh environments

Industrial flange bearing

The Tritan UCFL207-21 is a two-bolt flange bearing designed for power-transmission equipment. Its cast-iron rhombus housing holds an alloy-steel radial ball insert with a 1-5/16 inch cylindrical bore. The unit arrives double sealed and pre-lubricated with NLGI #2 equivalent grease. Maintenance teams and OEM builders use it to support rotating shafts in conveyors, fans and general machinery.

Sustained load behaviour

The fixed-expansion design keeps the bearing centred under continuous radial loads. Double seals retain lubricant and exclude contaminants during extended runs. Operating limits span -40 to 250 degrees Fahrenheit, so the insert maintains film strength in cold starts and high-temperature environments. Single-row construction provides consistent torque without the heat buildup seen in multi-row alternatives.

Mounting interface limits

Two bolt holes set the mounting pattern, so the structure must provide matching centres and a flat surface for the 1 3/4 inch overall height. The 6 11/32 inch length and 3 35/64 inch width define the footprint that the frame must accommodate. Shaft diameter must match the 1-5/16 inch bore exactly; no adapter sleeves are included. Installers must verify bolt spacing and shaft tolerance before assembly.

Highlights

  • Double-sealed closure keeps contaminants out for longer bearing life
  • Cast-iron rhombus housing provides rigid two-bolt mounting
  • Alloy-steel radial ball insert handles radial loads smoothly
  • Pre-filled with NLGI #2 equivalent grease ready for installation
  • Operates from -40 °F to 250 °F across harsh environments

Specifications

BrandTRITAN
TypeBearings, V-belts & Power Transmission Equipment
ColorBlue

Questions about this item

How hot does the UCFL207-21 housing get during continuous operation?

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 and shaft size do I need to install this flange bearing?

You need a 1-5/16 inch cylindrical shaft and two bolts for the 2-bolt rhombus housing; the bearing insert is included and pre-lubricated with NLGI #2 equivalent grease.

Will the cast-iron housing and alloy-steel insert match the wear rate of older UC-series bearings on the same line?

Yes, the UC207-21 insert uses the same alloy-steel radial ball design and double-sealed closure as earlier UC models, so wear characteristics remain consistent.

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