What Are Babbitt Bearings?

Babbitt bearings are a type of mechanical part, but do you know what they do? They are, in fact, so fundamental to nuclear turbines and heavy industrial machinery. They are used for high-speed, rotating equipment, such as compressors, turbines, electric motors, and immense power generators found in power plants. Babbitt bearings are made of certain alloys, which are melted down and cast to produce the bearing surface. babbitt bearings outperforms other bearings such as the bronze bearings, aluminum bearings and zinc alloy bearings.

The Babbitt is a white non-ferrous alloy used on the bearing surface. Babbitt is soft metal but strong enough to resist the bearing load. Three types of alloys exist: high-tin alloys with only trace amounts of antimony and copper; high-lead alloys with antimony, arsenic, and tin; and intermediate tin-lead alloys with antimony and copper. The most significant advantage of Babbitt bearings is that they have gradual and predictable wear. In addition, while rolling element bearings are commonly associated with catastrophic failure, that is not the case with Babbitt bearings. The materials used in Babbitt bearings are based on five principal factors: compatibility, embeddability and conform ability, corrosion resistance, compressive & fatigue strength, price and availability. The Babbitt's thin layer improves the bearing's fatigue resistance and load-carrying capacity. As a result, it may reduce overall bearing cost. At the same time it is found to be the top performer in all the desirable bearing traits.

Making Babbitt bearings is as easy as following these basic steps:

1. Babbitt-bearing shells are restored by melting & removing the original Babbitt material. The dirt is then blasted out of the surfaces. Finally, the bearing shells are examined and submerged in a 100% molten tin bath to ensure a strong binding for the new Babbitt.

2. The prepared shell is inserted into the spinning casting machine.

3. Unique equipment is employed to spin-cast bearings.

These devices use bottom draw pouring furnaces and pressurize the cavity cast with inert gas.

This ensures that the molten metal will not oxidize.

4. The centrifugal casting produces an entirely void-free casting with a fine grain structure for prolonged wear and dependability. All Babbitt is securely poised on the shell's walls.

5. The bearings are proof-machined and ultrasonically examined for bond integrity after being cast.

6. Canadian Babbitt Bearings offers in-house production so that any bearing can be repaired and returned to its original state.


They use only tested and verified materials to create its bearings.

Canadian Babbitt Bearings is a well-known manufacturer and repairing company for Babbitt Bearings. They have specialized in this industry and perform all services in-house under their CBB brand name. If you need Nuclear Turbine Bearings, then the CBB stock bearing is suitable to fit your specific requirement. Their CBB stock bearing consists of all 0-9 series to A-Z series and CNC series bearings that match the needs very well. For any technical help, please feel free to contact Canadian Babbitt Bearings today. They are happy to deliver you the right Nuclear Turbine Bearings out of their CBB stock bearing.

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