Rarraba bearings
Ƙidaya lambobi na farko ko na farko da na biyu tare daga hagu zuwa dama
"6" yana nufin zurfin tsagi ƙwallon ƙafa (Class 0)
"4" yana nufin maƙallan ƙwallon leda mai zurfin jeri biyu (Class 0)
"2" ko "1" yana nuna alamar ƙwallon ƙafa mai daidaita kai (samfurin asali mai lambobi 4) (Kashi 1)
"21", "22", "23" da "24" suna nuna juzu'in abin nadi. (3)
"N" yana nufin ɗaukar abin nadi na silindi (ciki har da gajeriyar abin nadi na silindi da ɓangaren siririyar allura nadi) (Class 2)
Zoben ciki na "NU" ba shi da flange.
"NJ" na ciki zobe guda mai gadi.
"NF" zoben waje guda ɗaya.
Zoben waje na "N" ba shi da shinge.
"NN" jeri biyu cylindrical abin nadi, waje zobe ba tare da riƙe baki.
"NNU" jeri biyu cylindrical abin nadi, ciki zobe ba tare da flange.
Tsawon abin nadi ya kai aƙalla girman diamita sau 5, ana kiransa abin nadi na allura (Class 4)
"NA" rotary allura mai juyi tare da zoben waje
"NK" hatimin gidaje na allurar nadi bearings
"K" allura nadi da taron keji, babu zobe na ciki da na waje.
"7" yana nufin Ƙwallon lamba na kusurwa (Aji na 6)
"3" yana nufin madaidaicin abin nadi (tsarin awo) (Class 7)
"51", "52" da "53" suna nuna tsakiyar tura ƙwallon ƙwallon ƙafa (lambobi biyar don ƙirar asali) (rukuni 8)
"81" yana nufin tura gajeriyar abin nadi na siliki (Class 9)
"29" na nufin tura abin nadi kai tsaye (Aji na 9)
Matsayin ƙasa don ɗaukar nauyi
Mirgina bearings -- Girma da juriya na tsagaitawar tsagaitawa da tsaida zoben kan zoben waje
Ƙwallon ƙarfe don mirgina bearings
Gb-t 309-2000 Nadi mai ɗaukar allura
Mirgine bearings - Silindari rollers
Mirgine bearings GB-T 4662-2003 Ma'aunin nauyi mai ƙima
Rolling bearings GB-T 6391-2003 Ma'aunin nauyi mai ƙarfi da ƙimar rayuwa
Jb-t 3034-1993 Mai jujjuyawa mai hatimin marufi anti-tsatsa
Jb-t 3573-2004 Hanyar aunawa na share radial na birgima
Jb-t 6639-2004 Mirgina sassa kwarangwal NBR hatimin zoben fasaha bayani dalla-dalla
Jb-t 6641-2007 Ragowar maganadisu na mirgina bearings da hanyar tantancewarsa.
Jb-t 6642-2004 Mai jujjuyawa masu ɗaukar sassa zagaye da ma'aunin kuskuren corrugation da hanyar kimantawa
Jb-t 7048-2002 Injin filastik keji don jujjuya sassa
Jb-t 7050-2005 Hanyar tantance tsaftar birai
Jb-t 7051-2006 Rolling bearing sassa surface roughness auna da kuma hanyar kimantawa
Jb-t 7361-2007 Hanyar gwajin taurin juzu'i masu ɗaukar sassa
Jb-t 7752-2005 Rolling bearings - Bayanin fasaha don hatimi mai zurfi na ƙwallon ƙwallon ƙafa
Jb-t 8196-1996 Rolling bearing Ragowar maganadisu na mirgina jiki da hanyar tantancewarsa.
Jb-t 8571-1997 Rolling bearings hatimce zurfin tsagi ball bearings gwajin ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙura, zubar mai da haɓakar zafin jiki
Jb-t 8921-1999 Dokokin duba birgima da sassansu
Jb-t 10336-2002 Ƙarin buƙatun fasaha don mirgina bearings da sassansu
Jb-t 50013-2000 Rolling bearing life da aminci lambar gwajin
Jb-t 50093-1997 Rayuwa mai ɗaukar nauyi da kuma hanyar ƙimar gwajin aminci
Lambar gaba
Ana sanya lambar gaban R kai tsaye kafin lambar tushe mai ɗaukar nauyi, kuma sauran lambobin an raba su daga ainihin lambar ta ƙananan ɗigo.
GS. -- Tuƙa zoben abin nadi na silinda. Misali: GS. 81112.
K. -- hade da mirgina jiki da keji. Misali: tura cylindrical roller and cage meeting K.81108
R -- Bearings ba tare da zobba na ciki ko na waje ba. Misali: RNU207 -- NU207 mai ɗaukar nauyi ba tare da zobe na ciki ba.
WS -- Juya zoben abin nadi na siliki. Misali: WS. 81112.
Lambar gidan waya
Ana sanya lambar gidan waya bayan lambar tushe. Lokacin da akwai ƙungiyoyi masu yawa na lambobin baya, yakamata a tsara su daga hagu zuwa dama a cikin tsari na lambobin baya da aka jera a cikin tebur ɗin lamba. Wasu lambobin gidan waya suna gaba da dige-dige daga lambar tushe.
Lambar gidan waya - Tsarin ciki
A, B, C, D, E -- Canje-canjen tsarin ciki
Misali: Ƙwallon lamba na kusurwa 7205C, 7205E, 7205B, C -- 15 ° Angle lamba, E -- 25 ° eriya, B -- 40 ° kusurwar lamba.
Misali: Nadi na Silindrical, abin nadi mai daidaita kai da tura kai tsaye abin nadi bearings N309E, 21309E, 29412E -- ingantacciyar ƙira, ƙarfin ɗaukar nauyi ya ƙaru.
VH -- Cikakken abin nadi nadi mai ɗaukar nauyi tare da abin nadi mai kulle kai (diamita na da'irar abin nadi ya bambanta da daidaitaccen nau'in nau'in).
Misali: NJ2312VH.
Rear code - ma'auni mai girma da tsarin waje
DA -- Raɓar raƙuman ƙwallon ƙafa na kusurwa biyu tare da zoben ciki rabin rabi biyu. Misali: 3306 da.
DZ -- abin nadi mai ɗaukar nauyi tare da diamita na waje na cylindrical. Misali: ST017DZ.
K -- Tapered bearing bearing, taper 1:12. Misali: 2308k.
K30- Tapered bearing bearing, taper 1:30. Misali: 24040 K30.
2LS - Biyu juzu'in abin nadi na silinda tare da zoben ciki biyu da murfin ƙura a ɓangarorin biyu. Misali: NNF5026VC.2Ls.v -- Canjin tsari na ciki, zoben ciki biyu, tare da murfin ƙura a ɓangarorin biyu, nadi mai ɗaukar silinda jere biyu tare da cikakken abin nadi.
N -- ɗauke da tsagi tasha akan zoben waje. Misali: 6207 n.
NR -- Juyawa tare da tsagi da tsaida zobe akan zoben waje. Misali: 6207 NR.
N2- - Ƙwallon lamba mai lamba huɗu tare da tsagi guda biyu akan zoben waje. Misali: QJ315N2.
S -- ɗauke da ramukan mai da ramukan mai guda uku a cikin zoben waje. Misali: 23040 S. Kai-aligning nadi bearings tare da diamita na waje D ≥ 320mm ba a yi alama da S.
X -- Girma daidai da ƙa'idodin ƙasashen duniya. Misali: 32036 x
Z•• -- Yanayin fasaha don sifofi na musamman. Fara daga Z11 da sauka. Misali: Z15 -- Bakin Karfe (W-N01.3541).
ZZ - Mai riƙe da abin nadi tare da zoben jagora guda biyu na waje.
Rear code - shãfe haske da kura-proof
RSR -- Gefen ɗaukar hoto tare da zoben rufewa. Misali: 6207 RSR
.2RSR -- Juyawa tare da zoben rufewa a bangarorin biyu. Misali: 6207.2 RSR.
ZR -- Juyawa tare da murfin ƙura a gefe ɗaya. Misali: 6207 ZR
.2ZR mai ɗauke da ƙurar ƙura a ɓangarorin biyu. Misali: 6207.2 ZR
ZRN -- Juyawa tare da murfin ƙura a gefe ɗaya kuma dakatar da tsagi a ɗayan zoben waje. Misali: 6207 ZRN.
2ZRN - Juyawa tare da murfin ƙura a ɓangarorin biyu, tare da tsagi tasha akan zoben waje. Misali: 6207.2 ZRN.
Rear code - Cage da kayan sa
1. kejin jiki
Ana sanya A ko B bayan lambar keji, inda A ke nuna cewa kejin yana jagorantar zobe na waje kuma B yana nuna cewa zobe na ciki yana jagorantar keji.
F -- Karfe mai ƙarfi tare da jagorar jiki mai birgima.
FA -- Karfe mai ƙarfi keji tare da jagorar zobe na waje.
FAS - Ƙarfe mai ƙarfi, jagorar zobe na waje, tare da tsagi mai lubrication.
FB -- Karfe mai ƙarfi tare da jagorar zobe na ciki.
FBS -- Ƙarfe mai ƙarfi, jagorar zobe na ciki, tare da tsagi mai lubrication.
FH -- Karfe mai ƙarfi keji, carburized da taurare.
H, H1 -- Carburizing da quenching retaining.
FP -- Karfe m keji keji.
FPA -- Ƙarfe mai ƙarfi ta taga tare da jagorar zobe na waje.
FPB -- Ƙarfe mai ƙarfi ta taga tare da jagorar zobe na ciki.
FV, FV1 -- Ƙarfe mai ƙaƙƙarfan keji, mai tsufa da fushi.
L -- Ƙarfe mai ƙarfi mai haske yana jagoranta ta jiki mai birgima.
LA -- Ƙarfe mai ƙarfi mai haske, jagorar zobe na waje.
LAS -- Ƙarfe mai ƙarfi mai haske, jagorar zobe na waje, tare da tsagi mai lubrication.
LB - Ƙarfe mai ƙarfi mai haske tare da jagorar zobe na ciki.
LBS - Ƙarfe mai ƙarfi mai haske, jagorar zobe na ciki, tare da tsagi mai lubrication.
LP -- Ƙarfe mai ƙarfi mai ƙarfi taga keji.
LPA -- Ƙarfe mai ƙarfi mai ƙarfi ta taga tare da jagorar zobe na waje.
LPB -- Ƙarfe mai ƙarfi mai ƙarfi ta taga, jagorar zobe na ciki (mai ɗaukar abin nadi azaman jagorar shaft).
M, M1 -- Ƙarfin ƙarfe mai ƙarfi.
MA -- M kejin tagulla tare da jagorar zobe na waje.
MAS -- M kejin tagulla, jagorar zobe na waje, tare da tsagi mai lubrication.
MB -- Ƙarfin ƙarfe mai ƙarfi, jagorar zobe na ciki (tunƙa da abin nadi mai daidaita kai azaman jagorar shaft).
MBS -- M kejin tagulla mai ƙarfi, jagorar zobe na ciki, tare da tsagi mai lubrication.
MP -- Brass madaidaicin mariƙin aljihu.
MPA -- Brass madaidaicin aljihu kuma mai riƙewa, jagorar zobe na waje.
MPB -- Brass madaidaicin mariƙin aljihu tare da jagorar zobe na ciki.
T --Phenolic laminate tube m keji, mirgina jiki jagora.
TA --Phenolic laminate tube mai ƙarfi mai riƙewa, jagorar zobe na waje.
TB --Phenolic laminate tube mai ƙarfi mai riƙewa, jagorar zobe na ciki.
THB -- Phenolic laminate tube aljihu keji tare da jagorar zobe na ciki.
TP-Phenolic laminate bututu madaidaiciya aljihu mariƙin.
TPA-Phenolic laminate tube madaidaiciyar aljihu, jagorar zobe na waje.
TPB-Phenolic laminate tube madaidaiciyar aljihu, jagorar zobe na ciki.
TN -- Injiniyan ƙirar filastik injin keji, jagorar jiki, tare da ƙarin lambobi don nuna kayan daban-daban.
TNH -- Injin Injiniya filastik keji na kulle kai.
TV -- Gilashin fiber ƙarfafa polyamide mai ƙarfi mai riƙewa, ƙwallon ƙarfe yana jagoranta.
TVH -- Gilashin fiber yana ƙarfafa aljihun kulle kansa mai ƙarfi polyamide mai ƙarfi wanda ƙwallayen ƙarfe ke jagoranta.
TVP -- Gilashin fiber yana ƙarfafa polyamide taga ingantaccen mai riƙewa, ƙwallon ƙarfe yana jagorantar.
TVP2 -- Gilashin fiber ƙarfafa polyamide m keji, abin nadi shiryar.
TVPB -- Gilashin fiber yana ƙarfafa polyamide mai ƙarfi mai ƙarfi, jagorar zobe na ciki (mai ɗaukar abin nadi azaman jagorar shaft).
TVPB1 -- Gilashin fiber yana ƙarfafa polyamide m keji kejin taga, jagorar shaft (ruwan abin nadi).
2, tambarin keji
J -- Karfe stamping keji.
JN -- Riveting keji don ɗaukar ƙwallon ƙwal mai zurfi.
Canjin keji
Lambar da aka ƙara bayan ko saka a cikin lambar keji tana nuna cewa an canza tsarin keji. Ana amfani da waɗannan lambobin ne kawai don lokutan tsaka-tsaki, misali NU 1008M 1.
Rear code - babu keji hali
V -- Cikakken juyi juyi. Misali: NU207V.
VT -- Cikakken ɗorawa mai juyi juyi tare da keɓe ball ko abin abin nadi. Misali: 51120 n.
Lambar gidan waya - Ajin haƙuri
(Tsarin daidaito da daidaiton juyawa)
P0 --Ajin haƙuri daidai da daidaitaccen matakin ISO na duniya 0, lambar da aka tsallake, baya nuna.
P6 -- Matsayin haƙuri daidai da matakin ISO 6.
P6X -- Gilashin nadi na nadi na 6 tare da ajin haƙuri daidai da daidaitattun ISO na duniya.
P5 --Ajin haƙuri daidai da daidaitaccen matakin ISO na duniya 5.
P4 - Matsayin haƙuri daidai da daidaitaccen matakin ISO na duniya 4.
P2 --Ajin juriya daidai da daidaitattun ajin ISO na duniya na 2 (ban da abin nadi mai nadi).
SP -- Daidaiton girman daidai yake da aji na 5 kuma daidaiton jujjuyawa yayi daidai da aji na 4 (jeri biyu na nadi na silinda).
UP -- Daidaiton girman daidai yake da aji na 4, kuma daidaiton jujjuyawar ya fi digiri na 4 (biyu na nadi na silindi na silindi na layi biyu).
HG -- Daidaiton girman daidai da sa na 4, daidaiton jujjuyawar juyi sama da sa 4, ƙasa da sa na 2 (ɗaurin spindle).
Rear code - yarda
C1 - Tsabtacewa daidai da daidaitaccen rukunin 1, ƙasa da ƙungiyoyi 2.
C2 -- 2 ƙungiyoyi na izini daidai da ma'auni, ƙasa da ƙungiyar 0.
C0 - Rukuni na 0 na izini daidai da ma'auni, lambar da aka tsallake, baya wakilta.
C3 -- Ƙungiyoyi 3 na izini daidai da ma'auni, mafi girma fiye da 0.
C4 - Tsabtacewa daidai da ma'auni na ƙungiyoyi 4, fiye da ƙungiyoyi 3.
C5 - Tsabtacewa daidai da ma'auni na ƙungiyoyi 5, fiye da ƙungiyoyi 4.
Lokacin da ake buƙatar bayyana lambar aji haƙuri da lambar izini a lokaci guda, ana ɗaukar haɗin lambar ajin haƙuri (ba a nuna P0) da lambar ƙungiyar izini (ba a nuna 0).
Misali: P63=P6+C3, yana nuna alamar haƙuri P6, radial clearance 3 rukunoni.
P52=P5+C2, yana nuna ma'aunin haƙuri P5, rarrabuwar radiyo 2 ƙungiyoyi.
Don sharewa mara kyau, inda ake buƙatar izinin radial na musamman da axial, iyakar ƙimar da abin ya shafa za a bayyana su azaman adadin μm bayan harafin R (radiya) ko A (axial clearance), rabu da ƙananan ɗigo.
Misali: 6210.R10.20 -- 6210 bearings, radial yarda 10 μ m zuwa 20 μ m.
Bearings A120.160 -- 6212, Axial yarda 120 μm zuwa 160 μm
Rear code - bearings don gwada amo
F3 -- Ƙarfin amo. Yana magana ne akan abubuwan nadi na silindi da zurfin tsagi na ball bearings tare da diamita na ciki D> 60mm da sama. Misali: 6213. F3.
G -- Ƙarfin amo. Yawanci yana nufin zurfin tsagi ball bearings tare da diamita na ciki D ≤ 60mm. Misali: 6207 G
Lambar gidan waya - maganin zafi
S0 - Ringing zobe bayan babban zafin jiki na yanayin zafi, zafin aiki na iya kaiwa 150 ℃.
S1 - Zoben mai ɗaukar nauyi yana da zafi a babban zafin jiki kuma zafin aiki na iya kaiwa 200 ℃.
S2 - Ringing zobe bayan babban zafin jiki na yanayin zafi, zafin aiki na iya kaiwa 250 ℃.
S3 - Zobba masu ɗaukar nauyi suna da zafi da zafi mai zafi, kuma zafin aiki na iya kaiwa 300 ℃.
S4 -- Raunin zobba suna da zafi a babban zafin jiki don aiki a 350 ℃.
Lambar gidan waya -- Yanayin fasaha na musamman
F•• -- Samar da yanayin fasaha don lambar serial. Misali: F80 -- ɗauke da juriya na ciki da na waje da matsawar radial.
K•• -- Bukatun fasaha don ci gaba da ƙidayawa. Misali K5 -- ɗauke da juriya na juriya na ciki da waje.
.ZB -- abin nadi na silinda tare da diamita madaidaici fiye da 80mm. Misali: NU 364.zb.
ZB2 -- Kambi a ƙarshen duka na allura na allura ya fi buƙatun fasaha na gabaɗaya. Misali: K18 × 26 × 20F.zB2.
ZW -- Nadi na allura jere biyu da taron keji. Misali: K20 × 25 × 40FZW.
.700•• -- Sharuɗɗan fasaha don jerin lambobin da suka fara da 700000.
Z52JN.790144 -- Bearings za a iya amfani da high zafin jiki da kuma low gudun, bayan musamman zafi magani, karfe farantin stamping riveting keji, babban yarda, phosphating magani, man shafawa allura, da sabis zazzabi iya wuce 270 ℃.
KDA - Rarraba zobe na ciki /; Raba zobe na ciki
K -- Tapered 1:12
K30 -- Tapered 1:30
N -- madauwari a cikin zoben waje don zoben karye
S -- Me game da tsagi da buguwa a cikin zoben waje
An cire suffix ɗin "S" gaba ɗaya a cikin sabon jerin E1! Wurin cika zobe na waje da ramin mai yanzu daidai yake.
W03B Bakin Karfe Bakin Karfe
N2 guda biyu masu riƙewa don gyara zoben waje
Wuraren tsayawa guda biyu don tasha zoben waje
Lambar baya - nau'i-nau'i nau'i-nau'i da kayan aiki na inji
1) nau'i-nau'i na bearings waɗanda suka dace da yanayin fasaha na K, kuma waɗannan sharuɗɗan fasaha na musamman suna da alaƙa da nau'i-nau'i na bearings:
K1 -- Saituna biyu na zurfin tsagi ƙwallo bearings ana hawa bi-biyu don jure nauyin axial unidirectional.
K2 -- Saituna biyu na zurfin tsagi ƙwallo bearings ana hawa bi-biyu don jure nauyin axial bidirectional.
K3 -- An shigar da nau'i biyu na shingen ƙwallon ƙafa mai zurfi a baya-baya ba tare da izini ba (shigarwa nau'in O).
K4 -- An shigar da nau'i biyu na ƙwanƙwasa mai zurfi fuska da fuska ba tare da izini ba (nau'in X).
K6 -- Saituna biyu na ƙwallon ƙwallon ƙafa na kusurwa ana hawa bi-biyu don jure nauyin axial na unidirectional.
K7 -- Saituna biyu na ƙwallon ƙwallon ƙafa na kusurwa ana hawa baya zuwa baya ba tare da izini ba (hawan nau'in O).
K8 -- Saituna biyu na ƙwallon ƙwallon ƙafa na kusurwa suna hawa fuska da fuska ba tare da izini ba (TYPE X)
K9 -- Saiti guda biyu na nadi da aka ɗora tare da sassa tsakanin zoben ciki da na waje an ɗora su bibiyu don jure wa nauyin axial unidirectional.
K10 -- Saituna guda biyu na nadi mai ɗorewa tare da zobe tsakanin zoben ciki da na waje waɗanda aka ɗora baya zuwa baya ba tare da izini ba (Tsarin TYPE O)
K11 -- Saituna biyu na nadi mai ruɗi tare da zobe tsakanin zoben waje an shigar dasu fuska da fuska ba tare da izini ba (nau'in shigarwa na X).
Ana buƙatar haɗa nau'i-nau'i ko ƙungiyoyi tare don bayarwa ko alama a matsayin na biyu. Daban-daban na bearings ba su canzawa. Lokacin shigar da bearings na rukuni ɗaya, ya kamata a aiwatar da shigarwa daidai da alamomi da layukan sakawa. Idan an saita nau'i-nau'i na bearings bisa ga takamaiman adadin axial ko radial, za a nuna izinin su bayan yanayin fasaha na K bisa ga labarin 1 (2) na Abu (7).
Alal misali, 31314A.k11.A100.140 yana wakiltar nau'i biyu na 31314A guda ɗaya jere na abin nadi bearings, wanda aka ɗora fuska da fuska, tare da wani nisa tsakanin zobba na waje, ƙaddamar da ƙaddamarwa na gaba axial tsakanin 100 μ m da 140 μm, bayan haka. izinin taro ba kome ba ne.
Gabaɗaya manufa guda biyu
Ana iya shigar dashi cikin kowane nau'i biyu (jeri, fuska da fuska ko baya zuwa baya), bayan lambar UA, UO da UL.
UA -- Ƙaramar sharewa axial lokacin da aka ɗora bearings fuska da fuska ko baya da baya.
UO -- Babu izini lokacin da aka shigar da na'urar fuska da fuska ko baya da baya.
.ul -- Ƙarƙashin tsangwama yayin da aka sanya bearings fuska da fuska ko baya da baya. Misali, b7004C.tPA.p4.k5.ul
Yana wakiltar madaidaicin ƙwallon ƙafa na kusurwa tare da kusurwar lamba na 15O don sandal, phenolic laminates tare da madaidaiciyar madaidaiciyar aljihu, jagorar zobe na waje, juzu'in juriya na 4, rage juriya na ciki da waje, ginin duniya don haɗawa, ɗauka tare da ƙaramin tsangwama lokacin da aka ɗora shi. baya-baya ko fuska da fuska.
Rear code - inji kayan aiki sandal hali
KTPA.HG matse tare da wannan ƙaƙƙarfan keji na aljihu, wanda zoben waje ke jagoranta, daidaiton darajar HG. Tpa.hg.k5.UL Tpa.hg.k5.UL Tpa.hg.k5.UL Tpa. komawa baya.
Tpa.p2.k5.UL Tpa.p2.k5.UL Tsuntsaye don saduwa da wannan aljihu mai ƙarfi keji, jagorar zobe na waje, daidaiton darajar HG, mai ɗaukar diamita na waje da rage juriya na diamita na ciki, tsarin jikin duka wanda aka ɗora cikin nau'i-nau'i, ɗaukar tare da ɗan tsangwama lokacin da aka ɗora fuska da fuska. ko komawa baya.
Tpa P2 UL Maɗaukaki masana'anta tare da wannan ƙaƙƙarfan keji na aljihu, jagorar zobe na waje, daidaiton darajar HG, haɓaka juriya na diamita na waje da na ciki, cikakken tsarin jiki wanda aka ɗora cikin nau'i-nau'i, ɗauke da ɗan tsangwama lokacin da aka ɗora fuska da fuska ko baya zuwa baya.
Rear code - inji kayan aiki sandal hali
Tpa.p2.k5.UL Maƙerin masana'anta ƙaƙƙarfan keji tare da ramukan aljihu, jagorar zobe na waje, aji daidaito HG, ginin duniya don hawa bibiyu, ɗauka tare da ɗan tsangwama lokacin hawa fuska da fuska ko baya da baya.
C Coulact Angle/Madaidaicin lamba 15C
D Coulact kwana/kwanciyar lamba 25C
P4S Toerance Class P4S
Lokacin aikawa: Maris 21-2022