Techncian A says preload refers to the amount of force placed on a bearing before any working load is exerted on the bearing. Technician B says free play refers to the amount that a bearing is able to move before hitting the bearing race. Who is correct?

Question

Quizplus · Accepted Answer

Preload is indeed the force applied to a bearing before any external load, and free play refers to the movement allowed before the bearing contacts the race. Both technicians are correct.

Techncian a Says Preload Refers to the Amount of Force