nil or lightest

maximum

average

any one of the above

directly as load

inversely as square of load

inversely as cube of load

inversely as fourth power of load

the oil film pressure is generated only by the rotation of the journal

the oil film is maintained by supplying oil under pressure

do not require external supply of lubricant

grease required to be applied after some intervals

at bottom

at sides only

both at bottom and sides

could touch anywhere

same time to reach earth

times proportional to weight to reach earth

times inversely proportional to weight to reach earth

unpredictable