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?
A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Technician A is correct because preload is indeed the force applied to a bearing before any external load is applied. Technician B is also correct because free play refers to the movement allowed in a bearing before it contacts the race.

Techncian a Says Preload Refers to the Amount of Force