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Rolamento Principal 129001-02931
Descrição
Função e contexto técnico
O rolamento principal é o elemento de suporte do virabrequim dentro do bloco de cilindros, localizado nos suportes principais que sustentam o eixo de transmissão em todo o seu comprimento. Faz parte do sistema de lubrificação por pressão: uma fina película de óleo separa a superfície do mancal do munhão do virabrequim, absorvendo as enormes cargas de combustão e garantindo a livre rotação do conjunto. Se este rolamento se deteriorar, o virabrequim perde seu assento correto, o que pode levar ao desgaste acelerado do munhão, perda de pressão do óleo e, em casos extremos, emperramento irreversível do motor. Nos motores diesel marítimos da série Yanmar 4JH, são necessárias 5 unidades por motor, cobrindo cada um dos suportes da base do bloco de cilindros (posição 31 da vista explodida do bloco).
Quando substituir esta peça?
Os sintomas mais comuns de desgaste do mancal principal incluem batidas surdas e rítmicas provenientes do bloco do motor - principalmente durante a aceleração -, queda na pressão do óleo indicada no manômetro e aparecimento de partículas metálicas no óleo durante a análise ou troca de lubrificante. Recomenda-se inspecionar o estado dos mancais principais em verificações de longo intervalo ou a qualquer sinal de baixa pressão do óleo, e substituí-los sempre que for realizada a retificação do virabrequim ou revisão geral do motor. Atuar preventivamente aos primeiros sinais evita danos estruturais ao bloco e ao virabrequim que aumentariam o custo do reparo.
Motores Yanmar Compatibles▾
| Série | Modelos |
|---|---|
| 3GP | 3GP88-GB1NB, 3GP88-GB1NC, 3GP88-GB1PB, 3GP88-GB1PC, 3GP88-GB2NB, 3GP88-GB2NC, 3GP88-GB2PB, 3GP88-GB2PC |
| 3JH | 3JH40, 3JH4E, 3JH5AE, 3JH5E |
| 3TNE | 3TNE84-EIK, 3TNE84-EIKA, 3TNE84-EIKC, 3TNE84-EIKS, 3TNE84-GB2BT, 3TNE84-GB2CT, 3TNE84-GHN1, 3TNE84-IK, 3TNE84-IKA, 3TNE84-IKS |
| 3TNV | 3TNV84-GDG, 3TNV84-QIK, 3TNV84-QIKA, 3TNV84-SIK, 3TNV84T-BGGE, 3TNV84T-BGGEC, 3TNV84T-BGGET, 3TNV84T-BGKL, 3TNV84T-BGKLF, 3TNV84T-BGKM, 3TNV84T-BGMG, 3TNV84T-BKSA, 3TNV84T-BKSA2, 3TNV84T-BKSA3, 3TNV84T-BKSAT, 3TNV84T-BKVX, 3TNV84T-BKWM, 3TNV84T-BMCU, 3TNV84T-BMNK, 3TNV84T-BXNK, 3TNV84T-GMG, 3TNV84T-XKMR, 3TNV86CHT-MWM, 3TNV86CHT-MWM2, 3TNV86CT-DDLV, 3TNV86CT-DDT, 3TNV86CT-DDT2, 3TNV86CT-DKE, 3TNV86CT-DKEV, 3TNV86CT-DMW, 3TNV86CT-DTR, 3TNV86CT-DVX, 3TNV86CT-DYEM, 3TNV86CT-DYI2, 3TNV88-BD6YA, 3TNV88-BDCR, 3TNV88-BDFFC, 3TNV88-BDGP, 3TNV88-BDGPF, 3TNV88-BDHK, 3TNV88-BDIPT, 3TNV88-BDKTF, 3TNV88-BDLDW, 3TNV88-BDLM, 3TNV88-BDNSS, 3TNV88-BDPP, 3TNV88-BDRFU, 3TNV88-BDSA, 3TNV88-BDSA03, 3TNV88-BDSA2, 3TNV88-BDSA2T, 3TNV88-BDSA3, 3TNV88-BDSA3T, 3TNV88-BDSAC, 3TNV88-BDSAT, 3TNV88-BDST, 3TNV88-BDTE, 3TNV88-BDTH, 3TNV88-BDVG, 3TNV88-BDVR, 3TNV88-BDWL, 3TNV88-BDWN, 3TNV88-BDYE2, 3TNV88-BDYE2D, 3TNV88-BDYE2T, 3TNV88-BGECS, 3TNV88-BGGE, 3TNV88-BGGEC, 3TNV88-BGGEH, 3TNV88-BGGEHR, 3TNV88-BGGEP, 3TNV88-BGGET, 3TNV88-BGGQ, 3TNV88-BGKM, 3TNV88-BGMF, 3TNV88-BGMG, 3TNV88-BGNP, 3TNV88-BGPGE, 3TNV88-BGPGEC, 3TNV88-BKGWL, 3TNV88-BKGWLF, 3TNV88-BKMS, 3TNV88-BKMSF, 3TNV88-BKMW, 3TNV88-BKNSV, 3TNV88-BKVA, 3TNV88-BKWN, 3TNV88-BMNK, 3TNV88-BMNKR, 3TNV88-BN6ZA, 3TNV88-BNBK, 3TNV88-BNSN, 3TNV88-BPAMM, 3TNV88-BPMB, 3TNV88-BPMBA, 3TNV88-BPNS, 3TNV88-BPTB1, 3TNV88-BPTB1T, 3TNV88-BPTB2, 3TNV88-BPTB2T, 3TNV88-BPTBZ, 3TNV88-BPTBZT, 3TNV88-BPTS, 3TNV88-BPWN, 3TNV88-BPXG, 3TNV88-BPYB, 3TNV88-BPYB1, 3TNV88-BPYBT, 3TNV88-BQBV, 3TNV88-BQBVA, 3TNV88-BQIK, 3TNV88-BQIKA, 3TNV88-BQIKA1, 3TNV88-BQIKB, 3TNV88-BSDB, 3TNV88-BSFW, 3TNV88-BSHYB, 3TNV88-BSLG, 3TNV88-BSNS, 3TNV88-BSSU, 3TNV88-BSSY, 3TNV88-BW6Z, 3TNV88-BWWA, 3TNV88-DSAP, 3TNV88-ESBV, 3TNV88-ESIK, 3TNV88-FFW, 3TNV88-GAGR, 3TNV88-GGB1B, 3TNV88-GGEA, 3TNV88-GGEH, 3TNV88-GGEHC, 3TNV88-GGF, 3TNV88-GGHW, 3TNV88-GMG, 3TNV88-KIRD, 3TNV88-KVA, 3TNV88-PFN, 3TNV88-QTBC, 3TNV88-SDB, 3TNV88-SFW, 3TNV88-SHYB, 3TNV88-SSU, 3TNV88-SZY, 3TNV88-XGP, 3TNV88-XKMR, 3TNV88-XTBZ, 3TNV88-XWA2, 3TNV88-ZKKE, 3TNV88-ZMHW, 3TNV88-ZMYTA, 3TNV88-ZMYTA1, 3TNV88C-D7Y, 3TNV88C-DDT, 3TNV88C-DGP, 3TNV88C-DGZ, 3TNV88C-DKTF, 3TNV88C-DKW, 3TNV88C-DMU, 3TNV88C-DMW, 3TNV88C-DSA, 3TNV88C-DTEH, 3TNV88C-DTH, 3TNV88C-DTR, 3TNV88C-DTR2, 3TNV88C-DTR3, 3TNV88C-DTR4, 3TNV88C-DTR6, 3TNV88C-DYEM, 3TNV88C-DYEM2, 3TNV88C-DYI2, 3TNV88C-DYI2D, 3TNV88C-KHW, 3TNV88C-KKE, 3TNV88C-KKEV, 3TNV88C-KKTF, 3TNV88C-KMS, 3TNV88C-KMSV, 3TNV88C-KMU, 3TNV88C-MKTF, 3TNV88F-EPMB, 3TNV88F-EPMBA, 3TNV88F-EPMT, 3TNV88F-EPNS, 3TNV88F-EPTB, 3TNV88F-EPTB1, 3TNV88F-EPTB2, 3TNV88F-EPTB3, 3TNV88F-EPWN, 3TNV88F-EPWNV, 3TNV88F-EPYB, 3TNV88F-ESDB, 3TNV88F-ESGY, 3TNV88F-ESHYB, 3TNV88F-ESIK, 3TNV88F-ESLY, 3TNV88F-ESSY, 3TNV88F-ESXG, 3TNV88F-UGGE, 3TNV88F-UGGEHR, 3TNV88F-UGMF, 3TNV88F-UGPGE |
| 4JH | 4JH110, 4JH4-HTE, 4JH4-HTE1, 4JH4-TE, 4JH45, 4JH4AE, 4JH4E, 4JH57, 4JH5E, 4JH80 |
| 4TNE | 4TNE84-GB2B, 4TNE84-GB2BT, 4TNE84-GB2CT, 4TNE84T-GB2BT, 4TNE84T-GB2CT, 4TNE84T-GHN1, 4TNE88-DGD, 4TNE88-IKA |
| 4TNV | 4TNV84T-BGGE, 4TNV84T-BGGEC, 4TNV84T-BGGEH, 4TNV84T-BGGEHR, 4TNV84T-BGGES, 4TNV84T-BGGET, 4TNV84T-BGGQ, 4TNV84T-BGKL, 4TNV84T-BGKLF, 4TNV84T-BGKM, 4TNV84T-BGMG, 4TNV84T-BGYM, 4TNV84T-BMABL, 4TNV84T-BMDP, 4TNV84T-BMIRD, 4TNV84T-BMKTF, 4TNV84T-BMSA, 4TNV84T-BMSA2, 4TNV84T-BPCU, 4TNV84T-BPTB, 4TNV84T-DFM, 4TNV84T-DSA01, 4TNV84T-GGB1CT, 4TNV84T-GGE2, 4TNV84T-GGEA, 4TNV84T-GGEH, 4TNV84T-GGEHC, 4TNV84T-GGF, 4TNV84T-GKMR, 4TNV84T-GMG, 4TNV84T-KAT, 4TNV84T-MWA, 4TNV84T-XTBL, 4TNV84T-ZDSA2D, 4TNV84T-ZDSA3D, 4TNV84T-ZDSA3DT, 4TNV84T-ZDSAD, 4TNV84T-ZDSADC, 4TNV84T-ZDSADT, 4TNV84T-ZKNSS, 4TNV84T-ZKSU, 4TNV84T-ZKTBL, 4TNV84T-ZKWLC, 4TNV84T-ZMTR, 4TNV84T-ZXGYB, 4TNV84T-ZXKAT, 4TNV84T-ZXKKTF, 4TNV84T-ZXKVA, 4TNV84T-ZXLAN, 4TNV86CHT-MAW, 4TNV86CHT-MVX, 4TNV86CHT-MYI2, 4TNV86CHT-MYI2D, 4TNV86CT-DDT, 4TNV86CT-DGWL, 4TNV86CT-DKK, 4TNV86CT-DTR, 4TNV86CT-DTR2, 4TNV86CT-DVF, 4TNV86CT-DWZ, 4TNV86CT-DYI2, 4TNV86CT-DYI2D, 4TNV86CT-GGE, 4TNV86CT-KKTF, 4TNV86CT-KKTFK, 4TNV86CT-KNKR, 4TNV86CT-MKTFK, 4TNV86CT-PBVA, 4TNV86CT-PTB, 4TNV86CT-PTB1, 4TNV88-BDAW, 4TNV88-BDCR, 4TNV88-BDDR, 4TNV88-BDFLT, 4TNV88-BDFLTC, 4TNV88-BDGP, 4TNV88-BDGPF, 4TNV88-BDHK, 4TNV88-BDHKS, 4TNV88-BDHKS1, 4TNV88-BDHKSR, 4TNV88-BDHQ, 4TNV88-BDHQT, 4TNV88-BDLDW, 4TNV88-BDMS, 4TNV88-BDMSF, 4TNV88-BDMSR1, 4TNV88-BDSA, 4TNV88-BDSA2, 4TNV88-BDSA2T, 4TNV88-BDSA3, 4TNV88-BDSA3T, 4TNV88-BDSAC, 4TNV88-BDSAT, 4TNV88-BDTH, 4TNV88-BDVF, 4TNV88-BDWI, 4TNV88-BDWL, 4TNV88-BDYE, 4TNV88-BDYE2, 4TNV88-BDYE2T, 4TNV88-BGECS, 4TNV88-BGGE, 4TNV88-BGGEC, 4TNV88-BGGEH, 4TNV88-BGGEHR, 4TNV88-BGGEP, 4TNV88-BGGES, 4TNV88-BGGET, 4TNV88-BGGQ, 4TNV88-BGKM, 4TNV88-BGMF, 4TNV88-BGMG, 4TNV88-BGNP, 4TNV88-BGOV, 4TNV88-BGPGE, 4TNV88-BGPGEC, 4TNV88-BGYR, 4TNV88-BIECS, 4TNV88-BIGE, 4TNV88-BIGEP, 4TNV88-BIGV, 4TNV88-BIHR, 4TNV88-BILMK, 4TNV88-BIMF, 4TNV88-BIPGE, 4TNV88-BKCM, 4TNV88-BKCP, 4TNV88-BKGWL, 4TNV88-BKGWLF, 4TNV88-BKGZ, 4TNV88-BKMS, 4TNV88-BKMSF, 4TNV88-BKMSR2, 4TNV88-BKNKR, 4TNV88-BKNKR2, 4TNV88-BKNKR3, 4TNV88-BKNR, 4TNV88-BKNSS, 4TNV88-BKNSV, 4TNV88-BKVA, 4TNV88-BLCR, 4TNV88-BLKTF, 4TNV88-BMHD, 4TNV88-BMHW, 4TNV88-BNBK, 4TNV88-BNFB, 4TNV88-BNFK, 4TNV88-BNIS, 4TNV88-BNYE3, 4TNV88-BNYE3D, 4TNV88-BNYE3T, 4TNV88-BPAMM, 4TNV88-BPCKS, 4TNV88-BPGZ, 4TNV88-BPIKA, 4TNV88-BPIKA1, 4TNV88-BPIKB, 4TNV88-BPIR, 4TNV88-BPNKR, 4TNV88-BPNS, 4TNV88-BPTB, 4TNV88-BPTB1, 4TNV88-BPTB1T, 4TNV88-BPTBT, 4TNV88-BPTBZ, 4TNV88-BPTBZT, 4TNV88-BPYBC, 4TNV88-BPYBD, 4TNV88-BPYBE, 4TNV88-BQIK, 4TNV88-BSBKC, 4TNV88-BSSU, 4TNV88-BSTX, 4TNV88-BSYB, 4TNV88-BWAD, 4TNV88-BWNS, 4TNV88-BXDHKSR, 4TNV88-BXDHKSR1, 4TNV88-BXPYBB, 4TNV88-BXPYBBT, 4TNV88-BXPYBD, 4TNV88-BXPYBE, 4TNV88-BXYB, 4TNV88-BXYB1, 4TNV88-BXYB3, 4TNV88-DSA01, 4TNV88-DSAP, 4TNV88-GAGR, 4TNV88-GGB1B, 4TNV88-GGB1BT, 4TNV88-GGE2, 4TNV88-GGEA, 4TNV88-GGEC, 4TNV88-GGEGV, 4TNV88-GGEH, 4TNV88-GGEHC, 4TNV88-GGF, 4TNV88-GGHW, 4TNV88-GMG, 4TNV88-KIRD, 4TNV88-NKAH, 4TNV88-QIK, 4TNV88-QTBC, 4TNV88-SHTR, 4TNV88-SMRE, 4TNV88-SND, 4TNV88-ULKTF, 4TNV88-XGP, 4TNV88-XKFN, 4TNV88-XKMR, 4TNV88-XWA2, 4TNV88-ZDYLX, 4TNV88-ZKAS, 4TNV88-ZKASB, 4TNV88-ZKHD, 4TNV88-ZMZL, 4TNV88-ZSTB, 4TNV88-ZSTB1, 4TNV88C-DCP, 4TNV88C-DGFE, 4TNV88C-DHKS, 4TNV88C-DHQ, 4TNV88C-DSA, 4TNV88C-DTH, 4TNV88C-DTH2, 4TNV88C-DYEH2, 4TNV88C-DYEM, 4TNV88C-DYEM2, 4TNV88C-DYI2, 4TNV88C-DYI2D, 4TNV88C-KAMZ, 4TNV88C-KFW, 4TNV88C-KGZ, 4TNV88C-KKTF, 4TNV88C-KKTFK, 4TNV88C-KMS, 4TNV88C-KMSV, 4TNV88C-KMU, 4TNV88C-KNKR, 4TNV88C-KNKRV, 4TNV88C-KUSS, 4TNV88C-MKTFK, 4TNV88C-NMB, 4TNV88C-P7CDV, 4TNV88C-P7CFV, 4TNV88C-PSY, 4TNV88C-PTB, 4TNV88C-PTB1, 4TNV88C-PYB, 4TNV88C-PYBU, 4TNV88C-PYBV, 4TNV88C-STB, 4TNV88C-STB1 |
Referencias equivalentes de fabricante▾
| Fabricante/Marca | Referência/Part Number |
|---|---|
| Yanmar | 129001-02931 |
