BEARINGS (CAD 154)

Name the item that maintains equal spacing of rollers in a bearing.

CAGE

Shape used with bearings to compensate for minor misalignment.

SPHERICAL

Roller bearings are commonly referred to as “anti-friction” bearings because…

LESS FRICTION DURING STARTUP THAN IN FRICTION BEARINGS

AFBMA stands for what?

ANTI FRICTION BEARING MANUFACTURERS ASSOCIATION

Most common ball bearing.

SINGLE ROW DEEP GROOVE

Four specifications were mention for constructing an outer raceway as part of the machine

SURFACE FINISH, HARDNESS, OUT OF ROUNDNESS, TAPER

Roller bearings are also known as what?

ANTI FRICTION

What bearing type has a rubber seal between raceways and is considered maintenance free?

SEALED

Dimensionally, needle bearings have a relatively high ratio of what to their diameter?

LENGTH

List the term that identifies lubrication that is NOT supplied under pressure.

HYDRODYNAMIC

List the term that identifies lubrication that IS supplied under pressure.

HYDROSTATIC

Inner or outer part of a bearing assembly on which bearings travel as they rotate.

RACEWAY

Name the loads carried by any bearing.

AXIAL, RADIAL

Name one disadvantage of journal bearings over roller bearings.

STRICT LUBRICATION REQUIREMENTS, LIFE LIMITED BY SURFACE FINISH ACCURACY, NOT AS EFFICIENT AT HIGH TEMPS, SUSCEPTIBLE TO DAMAGE FROM INTERRUPTED LUBE SUPPLY

Name roller bearing element (not ball) types.

NEEDLE, TAPERED, CYLINDRICAL, SPHERICAL

Conrad is another name for what bearing.

SINGLE ROW DEEP GROOVE

Thrust load would have what type of relation to the axis of the shaft?

PARALLEL

Radial load would have what type of relation to the axis of the shaft?

PERPENDICULAR

Axial load would have what type of relation to the axis of the shaft?

PARALLEL

The primary difference between needle bearings and other roller bearings.

DIAMETER

Term that describes lining a bearing with a different metal to gain additional metallic properties.

BABBITTING

Journal bearings are a.k.a. …

PLAIN, JOURNAL, SLEEVE, BUSHING

A bearing designed to protect rollers from contaminants with a metal ring between raceways, which also makes them maintenance free.

SHIELDED

Name the oil groove that distributes lubricant lengthwise.

AXIAL

What is “A”?

OUTER RACEWAY

What is “B”?

INNER RACEWAY

What is “C”?

INNER RING LAND

What is “D”?

SIDE FACES

What is “E”?

OUTER RING LAND