Andrews bearings

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Andrews bearing

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bearings Bearing >Bearing Numbers > Andrews bearings


Andrews bearing

Andrews bearing part number system

Andrews bearing part number system

Prefix Suffix Definition
. A VARIATIONS .
. B BANDS.
. CO5 DEGREE OF PRECISION.
. CO8 DEGREE OF PRECISION.
. CP CENTER PLATE.
. D DICRONITE FILM.
. E ELECTROFILM.
. G SPECIAL GREASE.
. H GREEN RINGS AND/OR RETAINER BLANKS.
. J PRESS STEEL RETAINER.
. K RETAINER ONLY.
. L PHENOLIC RETAINER.
. LB LARGE BORE.
. M MACHINE BRASS OR BRONZE RETAINERS.
. M2 TYPE OF STEEL.
. M50 TYPE OF STEEL.
. N NYLON RETAINER.
. P LESS ONE RACE.
. Q SPECIAL MATERIAL.
. R MACHINED STEEL RETAINER.
. S SEATS (SELF-ALIGNING) .
. SB SMALL BORE.
. SP SPECIAL TOLERANCE.
. SS STAINLESS STEEL.
. T MACHINED STAINLESS STEEL RETAINER.
. U PLATING.
. V STAINLESS STEEL BALLS.
. W WASHER (SELF-ALIGNING) .
. X RACE ONLY.
B . INCH DIMENSION, FLAT SEAT, SINGLE DIRECTION BALL THRUST BEARING, OUT-SIDE BANDED, GROOVED RACES, NO RETAINER, FULL COMPLEMENT BALLS, HEAVY.
D . INCH DIMENSION, FLAT SEAT, SINGLE DIRECTION, BALL THRUST BEARING, OUT-SIDE BANDED, GROOVED RACES, NO RETAINER, FULL COMPLEMENT BALLS, MEDIUM.
DL . METRIC DIMENSIONS, FLAT SEAT, SINGLE DIRECTION, BALL THRUST BEARING, THREE PIECE WITH BALL RETAINER, GROOVED RACES, LIGHT.
DM . METRIC DIMENSIONS, FLAT SEAT, SINGLE DIRECTION BALL THRUST BEARING. THREE PIECE WITH BALL RETAINER, GROOVED RACES, MEDIUM.
EW . INCH DIMENSION, FLAT SEAT, SINGLE DIRECTION BALL THRUST BEARING, THREE PIECE WITH MACHINED BRASS OR BRONZE RETAINER, FLAT RACES, LIGHT.
FT . INCH DIMENSION, FLAT SEAT, SINGLE DIRECTION BALL THRUST BEARING, THREE PIECE WITH MACHINED BRASS OR BRONZE RETAINER, FLAT RACES, MEDIUM.
FT-O . INCH DIMENSION, FLAT SEAT, SINGLE DIRECTION BALL THRUST BEARING, THREE PIECE WITH MACHINED BRASS OR BRONZE RETAINER, FLAT RACES, EXTRA LIGHT (SMALL SIZES) .
GT . INCH DIMENSION, FLAT SEAT, SINGLE DIRECTION BALL THRUST BEARING, THREE PIECE WITH PRESSED STEEL RETAINER, GROOVED RACES, LIGHT.
HW . INCH DIMENSION, FLAT SEAT, SINGLE DIRECTION BALL THRUST BEARING, THREE PIECE WITH BALL RETAINER, GROOVED RACES, HEAVY.
MW . INCH DIMENSION, FLAT SEAT, SINGLE DIRECTION BALL THRUST BEARING, THREE PIECE WITH BALL RETAINER, GROOVED RACES, MEDIUM.
TB . TREADLE ROLL BALL BEARING.
W . INCH DIMENSION, FLAT SEAT, SINGLE DIRECTION BALL THRUST BEARING, THREE PIECE WITH BALL RETAINER, GROOVED RACES, LIGHT.
WA . INCH DIMENSION, HARDENED AND GROUND STEEL THRUST WASHERS.
XW . INCH DIMENSION, FLAT SEAT, SINGLE DIRECTION BALL THRUST BEARING, THREE PIECE WITH BALL RETAINER, GROOVED RACES, EXTRA LIGHT (LARGE SIZES).


SPECIAL BEARING NOMENCLATURE

A special bearing is represented by either two or three numbers, a letter or group of letters, and two numbers.

EXAMPLE: OOOXOO

The first group of numbers can be read in inches with a decimal point before the last number, and represents any bore size within that tenth of an inch. The letter or group of letters further describe the bearing according to the code listed below. The last two numbers are sequential numbers used to designate a difference between other special bearings with the same numbering and lettering description.

X Grooved bearing
P 3 piece bearing w/ flat race
Y Banded
J Press steel retainer
W Washer
WX Grooved washer
N Nylon retainer
Z Inside banded (end thrust)
M Bronze retainer
S Stainless steel
R Machined steel retainer
RR Radial roller
RRT Radial roller and thrust combination
RT Roller thrust
BR Radial ball
RJ Journal roller bearing
RTW Roller thrust w/ self aligning washer
C Sleeves


 

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