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Blue cast iron rhombus flange bearing with two mount holes

Tritan

Tritan SBLF206-20G 2-Bolt Flange Bearing collectible

SKU CH-F1N4-B244P

A new radial-ball flange bearing with a cast-iron rhombus housing and double-sealed alloy-steel insert

  • TypeBearings, V-belts & Power Transmission Equipment
  • ColorBlue
  • Ready-to-install unit with double-sealed radial ball insert
  • Cast-iron rhombus housing with two mounting holes
  • Pre-lubricated with NLGI #2 equivalent grease
  • Operates from -40 to 250 degrees F
  • Includes SB206-20G bearing for 1 1/4 in shaft

What it is and who it's for

The Tritan SBLF206-20G is a 2-bolt flange bearing unit built around an SB206-20G radial ball insert. It fits a 1 1/4 inch cylindrical shaft and uses a cast-iron rhombus housing with two mounting holes. Maintenance teams and machinery builders specify it for conveyor rollers, fan shafts and light-duty power-transmission lines where a compact, self-contained unit is required.

Practical limits of the interface

The bearing insert is made from alloy steel and runs on a single row of rolling elements, sealed on both sides with an NLGI #2 equivalent grease fill. Operating range spans -40 to 250 degrees Fahrenheit. The fixed expansion type means the unit does not accommodate axial shaft growth, so alignment must be held tight and thermal expansion calculated separately for longer runs.

Installation and common issues

Two bolt holes simplify mounting on flat surfaces, but the rhombus footprint demands precise hole spacing to avoid housing distortion. Over-tightening the mounting bolts can warp the cast-iron body and bind the insert. Shaft tolerance must match the 1 1/4 inch bore; a loose fit causes fretting, while an interference fit risks cracking the inner race during press-in.

Highlights

  • Ready-to-install unit with double-sealed radial ball insert
  • Cast-iron rhombus housing with two mounting holes
  • Pre-lubricated with NLGI #2 equivalent grease
  • Operates from -40 to 250 degrees F
  • Includes SB206-20G bearing for 1 1/4 in shaft

Specifications

BrandTRITAN
TypeBearings, V-belts & Power Transmission Equipment
ColorBlue

Questions about this item

Which bore size matches my shaft?

The bearing accepts a 1 1/4 in cylindrical bore, so choose this version when your shaft measures exactly that diameter.

What does the 250 Degrees F rating mean once the unit is running?

It marks the highest continuous operating temperature the lubricant and seals can withstand before performance degrades.

How does the two-bolt rhombus housing limit mounting options?

Only two bolt holes on a rhombus pattern are provided, so the unit can be fastened in that specific two-point layout and no other.

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