Rolling bearings

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3. Decide the required type of bearing

To decide the type of bearing required you must consider the load, the space available and the possibility of misalignment. Use the following tables:

Suitability of Bearing Types for Various Loads

BEARING TYPE LOAD TYPE

RADIAL AXIAL COMBINED

Fr Fa Fr > Fa Fr < Fa

DEEP GROOVE BALL Yes - Yes -

CYLINDRICAL ROLLER Yes - - -

NEEDLE ROLLER Yes - - -

TAPERED ROLLER Yes - Yes -

SELF-ALIGNING BALL Yes Yes Yes -

SELF-ALIGNING
SPHERICAL ROLLER Yes - Yes -

SINGLE ROW BALL
ANGULARCONTACT - Yes Yes Yes

BALL THRUST - Yes - -

Space required and Misalignment Capability

BEARING TYPE LOAD CAPACITY/BULK RATIO MISALIGNMENT CAPABILITY

HIGH MEDIUM LOW HIGH LOW

DEEP GROOVE BALL - Yes - - Yes

CYLINDRICAL ROLLER - Yes - - Yes

NEEDLE ROLLER Yes - - - Yes

TAPERED ROLLER - Yes - - Yes

SELF-ALIGNING BALL - - Yes Yes -

SELF-ALIGNING
SPHERICAL ROLLER - Yes - Yes -

SINGLE ROW BALL
ANGULARCONTACT - - Yes - Yes

BALL THRUST - Yes - - Yes

BEARING TYPE	LOAD TYPE
	RADIAL	AXIAL	COMBINED
	Fr	Fa	Fr > Fa	Fr < Fa
DEEP GROOVE BALL	Yes	-	Yes	-
CYLINDRICAL ROLLER	Yes	-	-	-
NEEDLE ROLLER	Yes	-	-	-
TAPERED ROLLER	Yes	-	Yes	-
SELF-ALIGNING BALL	Yes	Yes	Yes	-
SELF-ALIGNING SPHERICAL ROLLER	Yes	-	Yes	-
SINGLE ROW BALL ANGULARCONTACT	-	Yes	Yes	Yes
BALL THRUST	-	Yes	-	-

BEARING TYPE	LOAD CAPACITY/BULK RATIO			MISALIGNMENT CAPABILITY
	HIGH	MEDIUM	LOW	HIGH	LOW
DEEP GROOVE BALL	-	Yes	-	-	Yes
CYLINDRICAL ROLLER	-	Yes	-	-	Yes
NEEDLE ROLLER	Yes	-	-	-	Yes
TAPERED ROLLER	-	Yes	-	-	Yes
SELF-ALIGNING BALL	-	-	Yes	Yes	-
SELF-ALIGNING SPHERICAL ROLLER	-	Yes	-	Yes	-
SINGLE ROW BALL ANGULARCONTACT	-	-	Yes	-	Yes
BALL THRUST	-	Yes	-	-	Yes