Questions and Answers 100% score
Latest update 2026
What are the principle parts of a friction bearing housing? -
correct answer ✅Base, Base bolt slots, cap and cap bolt holes.
What are friction bearing housings made from adn what factors
influence the choice of housing? -
correct answer ✅Cast Iron, Cast Steel, Fabricated Steel.
Choice depends on the Load, The Rotational Speed, the Direction of
Pull and the Support Design
How are friction bearing dimensions expressed? -
correct answer ✅In a fraction of their nominal size.
Do all new bearings of the same shaft size have the same base-to-
eye measurement? -
correct answer ✅If they are from the same manufacturer.
What factors influence the choice of bearings? -
correct answer ✅Load, Rotational Speed, Direction of the Pull and
support Design
What are the applications for the following bearings?
,Millwright Level 2 - Bearings Exam
Questions and Answers 100% score
Latest update 2026
a)Solid Bearings
b)Split bearings
c)Angle bearings
d)Integrated Bearings -
correct answer ✅a) Where Speed and Load are low. Where load is
applied on the top part of the bearing.
b) Where load is applied on the bottom portion of the bearing.
Different bolt numbers for loads.
c)When load is applied parallel to, or at a slight angle to, the
horizontal. Or when the bearing is mounted on the vertical support
d)Where the bearings are an integral part of the machine.
How does friction bearing joint design affect its integrity? -
correct answer ✅Position of the top half may affect the bearing
tolerances and load positions.
What qualities should a good bearing material have? (5 points) -
correct answer ✅Softer than the shaft material, low coefficient of
friction, wear-resistant, a good heat conductor and remain
relatively stable with heat changes, readily available.
, Millwright Level 2 - Bearings Exam
Questions and Answers 100% score
Latest update 2026
List Metals generally used in bearing liners and their applications. (5
points) -
correct answer ✅Babbitt - for general use
Brass (copper zinc alloy) - for higher speeds and heavier load than
babbit
Bronze (coper tin alloy) - for higher speeds and heavier loading than
babbitt
Aluminum - hydraulic pumps
Sintered Bronze - Porous bronze with a built in oil supply. 2:1 ratio.
What characteristics of nylon polyurethanes and phenol laminates
affect their applications? -
correct answer ✅Heat, , water saturation.
What is the hardest and toughest babbitt made from? -
correct answer ✅Tin (90%)
How does overheating affect babitt? -
correct answer ✅Service life is greatly reduced