Bearings I Quiz

What is the most common material used to manufacture bearing cages?

• Brass

• Taconite

• Steel

• Plastic

A radial load is one exerted at a perpendicular orientation to the shaft.

• True

• False

In a motor-pulley-fan application, the loads experienced by the bearings will be:

• Radial

• Axial

• A combination of both

When lubricating, roughly what percentage of the “free space” in a bearing should be filled?

• 10%

• 75%

• 90%

• 30%

Which of the following suffixes calls out the largest clearance?

• No Suffix

• C2

• C3

• C1

A flinger seal and a triple lip seal require a narrow inner ring.

• True

• False

Why is a pillow block ball bearing unit constrained by +/- 2 degrees misalignment?

• Relubrication groove position

• Housing Support

• Internal Stresses

• Axial Preload

Which type of bearing is best suited in a low load, high speed application with a shaft size less than 3”?

• Cylindrical Roller Bearing

• Taper Roller Bearing

• Deep Groove Ball Bearing

• Spherical Roller Bearing

Which incorrect practice leads to over stressing and cracking of the inner ring?

• Over torquing setscrews

• Over lubrication

• Under lubrication

A narrow ring insert is used primarily for:

• Higher torque capabilities

• More cost effectiveness

• Easier setscrew installation

• Spacing constraints