An oil fog lubrication system is recommended...

🔍 Key Concepts

• Oil fog lubrication characteristics (how it delivers oil as a mist and what kind of contact/speeds it suits best) • Differences between high-speed vs low/moderate-speed bearings and their lubrication needs • Effect of load and contact type (rolling vs sliding contact) on lubrication method selection

💭 Think About

• Think about which type of bearing benefits most from a fine, continuous oil mist rather than a heavy oil film or grease. • Which of these applications would be most sensitive to overheating or inadequate lubrication at higher rotational speeds? • Consider whether oil fog is better for rolling contact (balls/rollers) or for heavily loaded sliding gear tooth contact.

✅ Before You Answer

• Identify which option involves rolling element bearings instead of mainly sliding gear tooth contact. • Ask whether the application needs good cooling and minimum drag at higher speeds. • Eliminate any option where the bearing would require a thick, heavy oil film under very high load rather than a light mist.

An oil fog lubrication system is recommended for __________.

gear shaft bearings

high speed ball bearings

low and moderate speed ball bearings

heavily loaded pinion gear bearings