Common Materials for Bearings

Which material is known for excellent corrosion resistance and load-bearing capacity, and is commonly used in marine applications?

• Bronze alloy

• Mild steel

• Cast iron

• Plastic

Babbitt metal is a soft, lead-based alloy with good anti-friction properties, often used as a bearing lining. What is it more commonly known as?

• White Metal Bearings

• Red Brass

• Gun Metal

• Phosphor Bronze

Which material is a durable, self-lubricating polymer that is lightweight and resistant to corrosion?

• Nylon

• Steel

• Copper

• Glass

Graphite-impregnated materials provide natural lubrication and can operate in which type of conditions?

• Dry conditions

• Wet conditions

• High-pressure underwater conditions

• Vacuum only

Acetol is a thermoplastic material commonly used in ______ applications.

• marine

• aerospace

• medical

• textile

Which of the following is NOT a property of Acetol?

• Excellent resistance to chemicals

• High friction

• Self-lubricating properties

• Resistance to corrosion

Acetol is well-suited for which of the following components?

• Bearings

• Gears

• Components exposed to harsh marine environments

• All of the above

Acetol is commonly used in rudder bearings due to its low friction and self-lubricating properties.

• True

• False

What is Brass?

• A) A copper-zinc alloy with excellent corrosion resistance, used in marine fittings, valves, hose tails etc.

• B) A copper-tin alloy with high strength and wear resistance, commonly used in bearings and propellers and under water fittings.

• C) Highly corrosion-resistant, used in marine hardware, fasteners, and equipment housings.

Fill in the blank: Bronze is a copper-tin alloy with high strength and ________, commonly used in bearings and propellers and under water fittings.

• wear resistance

• electrical conductivity

• magnetic properties

• thermal expansion