Tiêu chuẩn iso 01002 1983 scan

v aria le inte sity, n rmaly with ut ma in a complete re olu- tio.. Be rin ma ufacturers sha ll re ard th se v lues as minima, so tha t, in service, th a gles sh wn facturer.

INTR ATIO AL O GNIZATIO FO STA DRIZATIO *ME Y tlAO~HR O rA blAH R CTAAPTH3AH O G NlSTlO INT RATIO AL DE N RMALISTIO

Rouleme ts - Rouleme ts uti sb d ns la stru ture d s a ro efs - Cara ctk istiques, dime sio s d’e combreme t, tolk ra nces,

De criptors : b ea rin s, rol n bea rin s, a ir ame bearin s, c a ra cteristic , dime sio s,

dime sio a l tolera nc s, sta tic loa ds

IS0 (h Intern tio al O rg nizatio for Sta d rdizatio ) is a w orldwid fe eratio of

b dy intereste in a s bject for w hich a tech ical commite h s b e set up h s th

a d n n-g v rnme tal in la iso with ISO , also ta e p rt in th w ork

th memb r b dies for a pro al b fore th ir ac e ta ce as Intern tio al Sta d rds by

th IS0 Counci

tech ical groun s :

Fra ce

This Intern tio al Sta d rd ca cels a d re laces IS0 Recom e d tio R 10 2-19 9,

of w hich it co stitutes a tech ical re isio

0 Intern tio al O rg nizatio for Sta d rdizatio , 19 3 l

Printe in Switzerla d

Rol ing bearings - Airframe bearings - Characteristics,

T his Intern tio al Sta d rd sp cifies ch ra cteristic , b un ary

dime sio s, tolera ces a d sta tic lo d ratin s of rol n b ar-

in s, oth r th n ta ere roler b arin s, u e in airframes, as

a uxi a ry driv s, ac es ories a d instrume ts in a ircra ft For th

purp ses of this Intern tio al Sta d rd, a airframe is d fin d

as th g n ral stru ture of a a ircra ft a d includ s its co trol

s rfaces, a ll fla s a d d ors a d th ir resp ctiv mech nisms

Both metric a d inch series b arin s are includ d b cau e of

esta lsh d u a e in th a ircra ft in u try

Th b arin s includ d in this Intern tio al Sta d rd are u ualy

in eleme ts) with ba sicaly c ln rica l b re a d outsid s rface

n rmaly s p le a e uately ch rg d with s ita le gre se, a d

same gre se

In view of th d sig re uireme ts, it is g n raly n t p s ible

to select sta d rd b arin s from IS0 15 for airframe a plca-

tio s, but for metric series b arin s th b un ary dime sio s

giv n in IS0 15 h v b e u e w here p s ible

Th fa ct th t a b arin is n t includ d in this Intern tio al Sta -

a v nta e in airframe a plcatio s

dime sio s - Ge eral pla

IS0 7 , Rol n b arin s - Static lo d ratin s

IS0 1 3 , Rol n ’b arin s - Tolera ces - Definitio s

3 Symb ls

(an le B a ple o ly to s lfalg in bearin s)

Fig re 1

Fig re 3

Circ lar arc (adiu r s min) be o d

whic n rin material may proje t

(a xial dire tio )

Fig re 5

Fig re 2 Fig re 2

d = b arin b re diameter, n min l

= b re diameter v riatio in a sin le ra dial pla e

= outsid diameter v riatio in a sin le ra dial pla e

= sin le width of track co tact (c ln rica l)

A S

= d viatio of a sin le width of th in er rin

V S

= in er rin width v riatio

r = outer rin ra ia l a d a xia l ch mfer dime sio

(Nomin l v lues are n t giv n in this Intern tio al Sta d rd; o ly minimum (rs mtn) a d maximum (rs max) are lste in

ta bles.)

rS

r

= outer rin sin le ch mfer dime sio

= in er rin ra ial a d axia l ch mfer dime sio

(Nomin l v lues are n t giv n in this Intern tio al Sta d rd; o ly minimum (rls mtn) a d maximum (rls , J are lste in

car

= b sic sta tic ra dial lo d ratin

4 Es ential c a ra cteristic

temp ratures in th ra g of - 5 to + 12 “C with ut losin

th ir efectiv n s

NOT - T he operatio al c n itio s may n c sitate wid r e teme

of temperature, in whic cas oth r greas s an / or s aln materials

may be re uire

v aria le inte sity, n rmaly with ut ma in a complete re olu-

tio

NOT - T he bearin s are g n raly mad with an e te d d in er rin

in ord r to simplfy bearin in ta lla tio by mak in th a dditio of

was ers u n c sary

pla tin s al n t be le s tha n 0,012 mm (0.0 0 5 in) a d n t

more th n 0,0 5 m (0.0 1 0 in)

Th b un ary dime sio s of th b arin s a d track rolers are

giv n in tale 1 to 6 (metic s rie ) an ta le 1 to 21 (in h

s rie )

1 T he diameter s rie n te in ta le 1 to 6 are in ac ordan e with

IS0 15

toleran e in ta ble 2 are th in h v alu s

Th co tour of th corn r sha ll b eith r a 4 ” straig t ln , as

sh w n in figure 6, or c rvi n ar, as i u tra te in figure 5, for

Be rin s in ta les 1 to 6, 1 , 13, 14 a d 16 sha ll b se le or

shield d, b arin s in ta les 12, 15, 17 a d 18 sha ll b se le ,

a d b arin s in ta les 19, 2 a d 21 sha ll b shield d

inch series b arin s in ta les 1 to 21 Metric series b arin s in

ta les 1 to 6 sha ll h v straig t ln ch mfers as sh wn in

figure 6

an rac way are e clo e by c ntact s als, ie s als fite to o e

c ntact

Shield d bearin s are bearin s in whic th rol n eleme ts an

toward th oth r rin with whic th y hav a smal clearan e

T he c oic of s als or s ield is g v ern d by th nature of th p r

tic la r a pplca tio sin e a s ate bea rin giv s impro e prote tio a t

th e pe s of a fictio torq e in reas

metric series b arin s, a d in ta le 2 for inch series b arin s

Ch mfer dime sio lmits are giv n in ta les 1 to 6 a d 1 to 21

pla tin

Ra ial interna l cle ra ce, as d fin d in IS0 1 3 , sh l b as

giv n in ta les 8 to 10 for metric series b arin s, a d in

ta les 2 to 2 for inch series b arin s

For b arin s in ta les 1to 6, w heth r ma e of co v ntio al rol-

Values of p rmis ible a gular displaceme t are in icate un er

ta les 5, 6, 16, 17 a d 18 Be rin ma ufacturers sha ll re ard

th se v lues as minima, so tha t, in service, th a gles sh wn

facturer

Be rin s in ta les 1 to 19, if ma e of co v ntio al rol n b ar-

in ste l sha ll h v a ll extern l s rfaces ex e t th in er rin

NOT - T he bearin u ers s o ld re ard th valu s of permis ible

a ng lar displac me t as maxima

b re s rface ca mium plate If ma e from corosio resistin

a d th ma ufacturer

9 Basic sta tic ra dia l lo d ra tin s

T rack rolers in ta les 2 a d 21, if ma e of co v ntio al rol n

chromium plate , a d a ll oth r extern l s rfaces ex e t th

in er rin b re s rface ca mium plate If ma e from corosio

resistin ste l platin sha ll b s bject to a re me t b tw ee

platin sha ll n t b les th n 0,0 5 mm (0.0 0 2 in) a d n t

Be rin s sha ll h v a b sic sta tic ra ial lo d ratin C, e ual to

or ex e din th minimum v lues giv n in ta les 1to 6 a d 1

to 21

NOT - Definitio s, s mbols an meth d of ev aluatin bsic sta tic

load ratin s of bearin s mad of hard n d c nv entio al rol n bearin

ste l are giv en in IS0 76 T he u e of oth r materials, s c as c ro io

re istin ste ls, or of spe ial h a t sta bi zatio may a ffe t th loa d

caryin ca acity an cal for spe ial te ts Su h te ts s o ld be agre d

10 Dimen ion an toleran es - T ables

Bal bea rin s, s ale or s ield d

- sin le row, rigid, diameter s rie 0, fig re 1

- sin le row, rigid, diameter s rie 2, fig re 1

- sin le row, rigid, diameter s rie 8 an 9, fig re 2

- d uble row, rigid, diameter s rie 2, fig re 1

- d uble row, s lfa lig in , diameter s rie 2, fig re 1

R oler bearin s, s ale or s ield d

- sin le row, sph rical diameter s rie 3, fig re 1

In h s rie

Bal bearin s

- sin le row, rigid, s ate or s ield d, fig re 1

- sin le row, rigid, s a te , fig re 1

- d uble row, rigid, an ular c ntact, s ale , fig re 1

- d uble row, s lfa lig in , s ale or s ield d, fig re 1

R oler bearin s

- sin le row, sph rical s ale , fig re 1

- d uble row, sph rical s a te , fig re 1

Ne dle roler bearin s

- sin le row, s ield d, fig re 3

- sin le row, tac roler, y k e type, s ield d, fig re 4

- d uble row, tac roler, y k e type, s ield d, fig re 4

Dime sio s in mi mete

Dime sio ta le - Metic s rie (c ntin e )

Dime sio s in mi mete

NOT - A ll e terna l s rac s e c pt th in er rin bore s rac may be plate (s e clau e 6)

T able 3 - Sin le row rigid ba ll bearin s (ig re 21, s ale or s ield d,

NOT - A ll e terna l s rac s e c pt th in er rin bore s rac may be pla te (s e clau e 6)

T able 4 - Do ble row rigid ba ll bearin s (ig re 1 , s ale or s ield d, diameter s rie 2’

Dime sio s in mi mete

Dime sio ta ble - Metic s rie (c n lu e )

T able 5 - Do ble row s lfalg in ba ll bearin s (ig re I), s ale or s ield d,

1 Permis ible a ng la r displac me t 0 = 6O

2 A ll e terna l s rac s e c pt th in er rin bore s rac may be plate (s e clau e 6)

T able 6 - Sin le row sph rical roler bearin s (ig re I), s ale or s ield d,

1 Permis ible a ng la r displac me t B = 6O

2 A ll e terna l s rac s e c pt th in er rin bore s rac may be plate (s e clau e 6)

l

Se IS0 15

l * T his bearin belo g to diameter s rie 4 *

10.3 T oleran e an ra dia l clearan e tale - Metic s rie

ov er

T oleran e valu s in micromete

T oleran e valu s in micromete

Admp Admp

A ds’)

A ds’)

Kia Kia

1) No v alu s hav be n e ta ls e for diameter s rie 8 an 9’

T able 8 - R adial internal clearan e - R igid ba ll bearin s (dime sio s in ta le 1 to 4)

Clearan e valu s in micromete

(dime sio s in ta ble 5)

Clearan e valu s in micromete

T able 10 - Radial interna l clearan e - Sin le row sph rical roler bearin s

(dime sio s in ta ble 6)

Clearan e valu s in micromete

10.4 Dime sio tale - In h s rie

T able 1 - Sin le row rigid b l bearin s (ig re I), s ale or s ield d

NOT - All e ternal s rac s e c pt th in er rin bore s rac are plate (s e clau e 6)

T able 12 - Sin le row rigid ba ll bearin s (ig re I), s ale

Dime sio tale - In h s rie (c ntin e )

T able 13 - Sin le row rigid ba ll bearin s (ig re I), torq e tube type, e ta lg t,

NOT - All e ternal s rac s e c pt th in er rin bore s rac are pla te (s e clau e 6)

T able 14 - Sin le row rigid b l bearin s (ig re I), torq e tube type, lg t,

Dime sio tale - In h s rie (c ntin e )

T able 15 - Do ble row rigid an ular c nta ct b l bearin s (ig re I), s ale

1 Permis ible an ular displac me t B = lo

2 All e terna l s rac s e c pt th in er rin bore s rac are pla te (s e clau e 6)

Dime sio tale - In h s rie (c ntin e )

T able 17 - Sin le row sph rical roler bearin s (ig re I s ale

1 Permis ible an ular displac me t B = 10"

2 A ll e ternal s rac s e c pt th in er rin bore s rac are plate (s e clau e 6)

1 Permisible an ular displac me t 9 = lo

2 Ale ternals rac s e c pt th in er rin bore s rac are plate (s e clau e 6)

Dime sio tale - In h s rie (c ntin e )

T able 19 - Ne dle roler bearin s (ig re 3) s ield d

NOT - T he e ternal s rac s of th o ter rin are c romium ela te All oth r e terna l s rac s e c pt th

in er rin bore s rac a re cadmium pla te (s e-clau e 61

T able 21 - Ne dle roler bearin s, tac roler, y k e type (ig re 4) d uble row, s ield d

NOT - T he e terna l s rac s of th o ter rin are c romium pla te A ll oth r e ternal s rac s e c pt th

in er rin bore s rac are cadmium pla te (s e clau e 6)

T oleran e an radial clearan e ta le - In h s rie (c ntin e )

Apple to ta ble 13 bearin s o ly

* Ap le to ta ble 14 bearin s o ly

(dime sio s in ta ble 18)

T oleran e an radial clearan e ta ble - In h s rie bxmclud dl

ov er

R adial interna l clearan e

d

T able 2 - R adial interna l clearan e - Ne dle roler bearin s, tac roler, y k e type,

A nnex

(T his a n x d es n t form p rt of th sta d rd.)

For airframe b arin s, wh n rotatio of th b arin is slow a d re uireme ts o smo th es a d low frictio are n t exactin , a mu h

gre ter tota l p rma e t d formatio ca b p rmite th n th t o w hich th b sic sta tic ra dial lo d ratin C ,is b se

= b arin ra dial lo d = ra ia l comp n nt of actual b arin lo d, n w to s (or p un s-orce)

F , = b arin a xial lo d = a xia l comp n nt of actual b arin lo d, n w to s (or p un s-orce)

a

= n min l co tact a gle of a b arin

A sta tic ac e ta ce lo d, calc late ac ordin to ta le 2 , is a lo d w hich a n n-rotatin b arin sha ll withsta d for o e minute

NOT - T he mag itu e of th factors giv n in ta ble 2 are u d r furh r c n id ratio an may be c an e in a future e itio of this Interna tio a l

Stan ard A ls th a dditio of more spe ific informatio re ardin th maximum permis ible opera tin load a plca ble wh n mo eme t takes plac

is u d r furh r c n id ratio

Tab le 2 - Sta tic acc ep tanc load

R adia l load

Permis ible loads

R igid r adial c ontac t b all b earin s, sin le

and d ub le row

The maximum p ermis ible r adial

/ ;~;L ale $;may b eap p lie

Rigid ang lar c ntact b all b ear in s,

Sp herical r oler b earin s, sin le row

Sp herical r oler b earin s, d ub le row

Ap le fo r a smal c ontac t angle More ex a ct v alu s are ob tain d with formula b )

l * App lie for p urely static c on itio s Wh re mov eme t ta ke p lac e th permisib le load may b e smaller, ie it may b e n c sa ry to u e a sma ller

fac tor than 1.5 and a larger fac tor than 3.3, re pe tiv ely