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New black cast-iron rhombus flange bearing with two bolt holes and double-sealed alloy steel ball insert

Sealmaster

Sealmaster SFT-11 Flange Bearing 2-Bolt Ball 11/16" Bore collectible

SKU CH-TH7A-CD1WK

A cast-iron, two-bolt flange bearing with an 11/16 inch bore and double-sealed radial ball insert rated to 7,300 RPM

  • Product typeBearings, V-belts & Power Transmission Equipment
  • Product colorBlack
  • Double-sealed closure keeps contaminants out for longer service life
  • Fixed expansion design maintains precise shaft alignment under load
  • Cast-iron rhombus housing handles heavy radial loads in industrial settings
  • Alloy-steel radial ball insert supports speeds up to 7,300 RPM
  • Operates reliably from -20 °F to 220 °F in harsh environments

Industrial Flange Bearing

The Sealmaster SFT-11 is a two-bolt flange bearing with an 11/16 inch cylindrical bore. It uses a radial ball insert made from alloy steel and a cast iron rhombus housing. Double seals retain NLGI #2 equivalent lubricant across a temperature range of -20 to 220 degrees Fahrenheit.

Maintenance Teams and OEMs

This unit suits maintenance crews replacing worn mounted bearings on conveyors, fans or agricultural equipment where a fixed expansion type is specified. It is not for buyers who need an expansion bearing to accommodate shaft thermal growth or a higher maximum speed rating than 7,300 RPM.

Ready-to-Install Hardware

The bearing ships pre-lubricated and double sealed so it can be bolted directly onto a prepared mounting surface without additional grease or seal kits. The cast iron housing and alloy steel insert arrive assembled, eliminating separate component sourcing and reducing installation time.

How it compares

Measured against everything we stock in Fan Collectibles & Memorabilia, at today’s prices. Recalculated every night.

Price $171.99
Pricier than about 91% of the 1,367 comparable items (median $26.99).

Specifications

Product
Brand nameSEALMASTER
Product typeBearings, V-belts & Power Transmission Equipment
Product colorBlack

Questions about this item

What shaft diameter matches the 11/16 in bore of this Sealmaster SFT-11 bearing?

The bore is 11/16 in, so the shaft must measure exactly 11/16 in for a proper press fit.

Will the double-sealed, NLGI #2 lubricated insert tolerate the same temperature range as my existing cast-iron housings?

Yes, the bearing operates from -20 to 220 degrees F, matching typical cast-iron housing limits.

How can I confirm the 7,300 RPM rating is safe after I bolt the rhombus housing on 3 in centers?

Run the shaft up to speed and verify smooth rotation without vibration or temperature rise above 220 degrees F.

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