इंटरनेट मानक Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. “जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ” Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru “The Right to Information, The Right to Live” “Step Out From the Old to the New” IS 7461-2 (1992): General plan of boundary dimensions for tapered roller bearings, Part 2: Double row bearings [PGD 13: Bearing] “!ान $ एक न’ भारत का +नम-ण” Satyanarayan Gangaram Pitroda ““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee”” “!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै” Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” IS 7461 ( Part 2 ) : 1992 GENERALPLANOFBOUNDARYDIMENSIONS FOR TAPERED ROLLER BEARINGS PART 2 DOUBLE ROW BEARINGS ( Second Revision UDC 621422.87 : 006.78 @ BIS 1992 BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MAR0 NEW DELHI 110002 Sepiember 1992 Pdce Group 2 gnilloR sgniraeB lanoitceS ,eettimmoC ML 12 FOREWORD sihT naidnI dradnatS ( dnoceS noisiveR ) was detpoda yb eht uaeruB fo naidnI Standards, retfa eht tfard dezilanif yb eht gnilloR sgniraeB lanoitceS ,eettimmoC had neeb devorppa yb eht thgiL lacinahceM gnireenignE noisiviD .licnuoC ehT standard SI 7461 no nalp~lareneG fo yradnuob snoisnemid rof derepat rellor sgniraeb was tsrif dehsilbup ni 1974 and was desiver ni 1980 ot align htiw 0SI 355 : lQ77 gnilloR‘ sgniraeb - cirteM derepat rellor sgniraeb - yradnuoB snoisnemid and seires ’noitangised ni drager ot eht lanoitanretni ecitcarp dewollof rof eht noitangised fo derepat rellor .sgniraeb yltneuqesbuS mudneddA 1 ot 0SI 355 : 1977 cirteM‘ derepat rellor gniraeb - elbuoD wor -raeb ings - yradnuoB ’snoisnemid and mudneddA 2 ot 0SI 355 : 1977 cirteM‘ derepat rellor sgniraeb - degnalF spuc - yradnuoB ’snoisnemid erew issued ni 1980. ehT stcejbus fo eseht stnemdnema erew ton derevoc ni eht naidnI .dradnatS ,eroferehT eht noisiver fo SI 7461 : 1980 has neeb nekat up and gniwollof eerht standards has neeb thguorb tuo ot revoc eht eritne tcejbus nevig ni 0SI 355 : 1977, mudneddA 2 ot 0SI 355 : 1977 and mudneddA 2 ot 0SI 355 : 1977. )1 SI 7461 ( traP 1 ) : 1992 lareneG plan fo yradnuob snoisnemid rof derepat rellor -raeb ings : traP 1 elgniS wor sgniraeb ( second revision ) )2 SI 7461 ( traP 2 ) : 1992 lareneG~ plan fo yradnuob snoisnemid rof derepat rellor -raeb ings : traP 2 elbuoD wor sgniraeb ( second revision ) 3) SI 7461 ( traP 3 ) : 1992 lareneG plan fo yradnuob snoisnemid rof derepat rellor -raeb ings : traP 3 degnalF spuc ( second revision ) SI 7461 ( traP 2 ) : 1992 Indian Standard GENERALPLANOFBOUNDARYDIMENSTONS FOR TAPERED ROLLER BEARINGS PART 2 DOUBLE ROW BEARINGS ( Second Revision ) 3 SNOITATON 1 SCOPE sihT standard ( traP 2 ) seificeps gniraeb 1.1 3.1 ,snoitatoN as nwohs ni .giF 1 shall eb desu htdiw and puc htdiw rof elbuod wor cirtem ot tneserper suoirav snoisnemid as nevig ni this derepat rellor .sgniraeb standard. 1.2 rehtO yradnuob ,snoisnemid hcihw era lacitnedi ot esoht fo elgnis wor. sgniraeb fo eht 3.2 ehT elbuod wor gniraeb puc ro puc recaps emas noisnemid seires and htiw eht emas -raeb ,yam ro yam ,ton evah a noitacirbul evoorg and gni erob ,retemaid era nevig ni SI 7461 seloh as deifitnedi yb eht gniraeb .noitangised traP( 1 ) : 1990. secnareloT era nevig ni SI 5692 : 1988 and SI 5934 : 1987. 2 SECNEREFER 4 BEARING DIMENSIONS IS No. Title 4.1 selbaT 1 ot 4 gnola htiw .giF 1 evig . ,B and 5692 : 1988 secnareloT rof laidar gnillor C, rof elbuod wor cirtem derepat rellor -raeb sgniraeb ings depuorg yb tcatnoc elgna .seires 5934 : 1987 refmahC noisnemid stimil rof gnillor sgniraeb 4.2 ehT gniraeb edistuo retemaid and eht D 7461 lareneG plan fo yradnuob noisnemid seires ,noitangised osla dedulcni ni traP( 1 ) : 1992 snoisnemid rof derepat rellor eht ,selbat era lacitnedi ot esoht fo eht -serroc :sgniraeb traP 1 elgniS wor gnidnop elgnis wor gniraeb nevig ni SI 7461 sgniraeb ( ( traP 1 ) : 1992. second revision ) 0D OD d = gniraeb erob ,retemaid lanimon IB = gniraeb ,htdiw lanimon 0 = gniraeb edistuo ,retemaid lanimon CI = elbuod puc htdiw ro htdiw revo owt elgnis cups dna ,recaps lanimon 1 FIG. 1 IS 7461 ( Part 2 ) : 1992 Table 1 Contact Angle Series 2 All dimensions in millimetres. ( Ckmse 4.1 ) d D lC Dimension d D ,B Dimension Series I I Series -- 20 45 E 2DC 95 140 64 54 2cc 50 2ED 145 76 2CD 160 104 :;t 2ED 22 47 39 2cc 52 50 :z 2ED 100 145 54 2DC 150 ?% 2CD 39 2cc 165 104 !;: 2EE 25 :: 58 :f 2EE ss 105 -155 74 2CD 43 :: 2CD 160 84 2DD 28 :: 61 2ED 170 104 88 2EE 44 160 74 62 2CD 30 z88 65 165 84 70 2DD 175 104 88 2EE 47 32 ;; 65 175 82 68 2DC 180 2DD 2DD 190 1;; ;: 2EE 35 8: ;: 4621 2EE 130 185 68 2DC 40 15 53 44 2CD f; 76 2DD 85 73 63 2EE :g 110 92 2DE 2CD 140 88 72 2DC 45 ;; ;; 4647 2ED % 2DD 215 1:: :: 2ED 2CD 50 I$ ;: 2ED 150 215 2DD 225 2ED 41 2cc 55 I: 60 2CD 160 2DD 110 87 2ED 2ED 42 2cc 170 235 82 2DD 60 1:: 60 2CD 245 89 2ED 115 88 2EE 180 240 2DC 50 2cc 245 :8” 8’; 2DD 65 :s 2DD 255 116 98 2ED 125 ;: 2FD 190 255 76 2DC 70 105 2cc 260 1:: 2DD 120 2DD 270 124 1:: 2ED 130 2ED 200 265 76 2DC 15 115 2cc 270 1;: 2DD 125 2DD 280 124 1:: 2ED 135 2ED 220 285 76 2DC 80 120 2cc 290 1:: 2DD 130 2DD 300 124 1:: 2ED 145 2ED 240 305 2DC 85 125 2cc 310 2DD 135 2DD 320 2EE 150 2ED 260 325 76 2DC 90 135 2cc 330 1:: 2DD 140 2CD 340 126 1:: 2DE 155 2ED 280 360 126 104 2DE 2 IS 746X ( Ptit 2 ) : 1992 Table 2 Contact Angle Series 3 All dimensions in millimetres. ( Cluust? 4.1 ) - - d D & Xmension d D 1B Dimension Series Series -- -- .- _. -- 20 42 34 28 3cc 85 160 118 89 3FE 22 44 34 27 3cc 90 140 73 57 3cc 40 68 44 35 3CD 110 190 126 104 3FE 45 75 46 37 3cc 130 210 126 104 3EE 50 80 46 37 3cc 150 235 132 110 3EE 55 90 52 41 3cc 170 255 132 110 3EE 65 135 112 94 3FE 180 280 142 110 3FD 75 145 112 94 3FE 190 280 140 116 3EE 80 125 66 52 3cc -. -- ___- - - Table 3 Contact Angle Series 4 All dimensions in millimetres. ( CZause 4.1 - - -i- d D DimSeerniseiso n d D 4 c, DiSmeerniessi on ~_. . . - -- 25 47 34 27 4cc 110 170 86 48 4DC 28 52 37 29 4cc 120 180 4DC 200 1;: 17004 4FE 30 55 39 31 4cc 130 200 102 80 4EC 32 58 39 31 4cc 140 210 104 82 4DC 35 62 41 33 4cc 220 126 104 4EE 50 105 88 74 4FE 150 225 110 86 4EC 5.5 115 95 81 4FE 160 116 4EC zz 132 1:: 4EE 60 41 4cc 1;: ,z 88 4FE 170 260 128 100 4EC 65 100 52 41 4cc 180 265 132 110 4EE 70 110 57 45 4cc 190 290 142 110 4FD 140 112 94 4FE 200 290 140 116 4EE 75 115 58 46 4cc 310 154 120 4FD 80 150 112 94 4FE 220 340 166 128 4FD 85 130 67 53 4cc 240 360 166 128 4FD 90 165 120 100 4FE 260 400 190 146 4FC 95 145 73 4cc 280 420 190 146 4FC 170 120 1; 4FE 300 460 220 168 4GD 100 150 73 4cc 175 120 1;: 4FE 320 480 220 168 4GD 105 160 180 1:: 12 44% - - 3 IS 7461 ( Part 2 ) : 1992 Table 4 Contact Angle Series 7 All dimensions in millimetres. ( Clause 4.1 ) d D B, lC DixnnG; d D & G Dimension Series ---- --P-P 25 62 42 31.5 7FB 85 170 102 :6” 7FC 180 99 7GB 30 72 47 33.5 7FB 90 175 102 7FC 35 80 51 35.5 7FB 190 103 77: 7GB 40 90 56 39.5 7FB 95 180 lb4 ;: 7FC 200 109 7GB 45 1: 63 45 7FC 60 41.5 7FB 100 190 110 76 7FC 215 124 81 7GB 50 105 :z z.5 7FC 110 7FB 105 200 114 80 7FC 225 127 83 7GB 55 115 ;: :3 7FC 120 7FB 110 210 I20 84 7GC 240 137 87 7GB 60 125 79 :: 7FC 130 74 7FB 120 220 120 E 7FC 260 148 7GB 65 130 ;; :: 7FC 140 7GB 130 230 120 1:: 7FC 280 156 7GB 70 140 83 :; 7FC 150 83 7GB 140 240 120 84 7FC 300 168 108 7GB 75 150 7FC 160 :; t: 7GB 150 250 120 1;: 7FC 320 178 7GB 80 :E E 67 7FC 63 7GB 4 Standard Mark ehT esu fo eht dradnatS Mark is denrevog yb eht snoisivorp fo eht uaeruB rmrdn1fo Siandards Act, 1986 and eht seluR and snoitalugeR edam .rednuereht ehT dradnatS Mark no stcudorp derevoc yb an naidnI dradnatS syevnoc eht ecnarussa that yeht evah neeb decudorp ot ylpmoc htiw eht stnemeriuqer fo that standard rednu a llew denifed metsys fo ,noitcepsni gnitset and ytilauq lortnoc hcihw is desived and desivrepus yb SIB and detarepo yb eht .recudorp dradnatS dekram stcudorp era osla ylsuounitnoc dekcehc yb SIB rof ytimrofnoc ot that standard as a rehtruf .draugefas sliateD fo snoitidnoc rednu hcihw a ecneciI rof eht esu fo eht dradnatS Mark yam eb detnarg ot srerutcafunam ro srecudorp yam eb deniatbo morf eht uaeruB fo naidnI Standards.