{"id":9997,"date":"2025-05-13T01:27:22","date_gmt":"2025-05-13T01:27:22","guid":{"rendered":"https:\/\/www.skf-eu.com\/?post_type=product&p=9997"},"modified":"2025-05-13T01:32:03","modified_gmt":"2025-05-13T01:32:03","slug":"double-row-angular-contact-ball-bearing","status":"publish","type":"product","link":"https:\/\/www.skf-eu.com\/pt\/produto\/double-row-angular-contact-ball-bearing\/","title":{"rendered":"Rolamento de esferas de contacto angular de duas carreiras"},"content":{"rendered":"

Vis\u00e3o geral da tecnologia dos rolamentos de esferas de contacto angular de duas carreiras<\/h2>\n

A rolamento de esferas de contacto angular de duas carreiras<\/strong><\/a> utiliza um design com duas filas de esferas de a\u00e7o dispostas simetricamente, que podem suportar simultaneamente for\u00e7as radiais e axiais. A sua estrutura \u00fanica confere-lhe maior rigidez e capacidade de carga, sendo particularmente adequada para cen\u00e1rios industriais com requisitos rigorosos em termos de precis\u00e3o de funcionamento e desempenho de suporte de carga. Em compara\u00e7\u00e3o com os modelos de uma fila, a conce\u00e7\u00e3o de duas filas melhora significativamente o desempenho global do rolamento, especialmente em condi\u00e7\u00f5es de funcionamento a alta velocidade.<\/p>\n

\"Double<\/p>\n

Principais vantagens de desempenho<\/h2>\n

Capacidade de carga composta<\/h3>\n

O efeito sin\u00e9rgico das esferas de a\u00e7o de duas carreiras pode lidar simultaneamente com tens\u00f5es compostas radiais e axiais, e a capacidade de carga \u00e9 aumentada em mais de 40% em compara\u00e7\u00e3o com os rolamentos de uma carreira.<\/p>\n

Carater\u00edsticas de funcionamento de precis\u00e3o<\/h3>\n

A conce\u00e7\u00e3o optimizada do \u00e2ngulo de contacto assegura um funcionamento de baixa fric\u00e7\u00e3o e um excelente controlo do aumento da temperatura, satisfazendo os requisitos de toler\u00e2ncia ao n\u00edvel de m\u00edcron do equipamento de precis\u00e3o.<\/p>\n

Conce\u00e7\u00e3o duradoura e de longa dura\u00e7\u00e3o<\/h3>\n

A distribui\u00e7\u00e3o uniforme da carga reduz o desgaste local e, com a\u00e7o de alta qualidade e processos de tratamento t\u00e9rmico, a vida \u00fatil \u00e9 prolongada em 30%-50%.<\/p>\n

Adaptabilidade vers\u00e1til<\/h3>\n

Os tamanhos normalizados cobrem uma vasta gama de condi\u00e7\u00f5es de trabalho e suportam solu\u00e7\u00f5es de veda\u00e7\u00e3o personalizadas (veda\u00e7\u00e3o com ou sem contacto).<\/p>\n

Par\u00e2metros t\u00e9cnicos dos modelos t\u00edpicos<\/h2>\n\n\n\n\n\n\n\n\n
Modelo<\/span><\/th>\nDi\u00e2metro interior <\/span>
\n(mm)<\/span><\/th>\n		Di\u00e2metro exterior <\/span>
\n(mm)<\/span><\/th>\n		Espessura <\/span>
\n(mm)<\/span><\/th>\n		Carga din\u00e2mica <\/span>
\n(kN)<\/span><\/th>\n		Carga est\u00e1tica<\/span>
\n (kN)<\/span><\/th>\n		Peso l\u00edquido<\/span>
\n (kg)<\/span><\/th>\n		T\u00edpico <\/span>
\naplica\u00e7\u00e3o <\/span>
\ncen\u00e1rios<\/span><\/th>\n<\/tr>\n<\/thead>\n
3207A<\/td>\n35<\/td>\n72<\/td>\n30<\/td>\n19.6<\/td>\n11.9<\/td>\n0.14<\/td>\nFuso CNC\/motor de ve\u00edculo el\u00e9trico<\/td>\n<\/tr>\n
3308A<\/td>\n40<\/td>\n90<\/td>\n36<\/td>\n30.7<\/td>\n19.8<\/td>\n0.28<\/td>\nCaixa de velocidades para energia e\u00f3lica\/bomba industrial<\/td>\n<\/tr>\n
32206A<\/td>\n30<\/td>\n62<\/td>\n20<\/td>\n22.5<\/td>\n13.4<\/td>\n0.08<\/td>\nEixo de m\u00e1quina-ferramenta de precis\u00e3o<\/td>\n<\/tr>\n
7311B<\/td>\n55<\/td>\n120<\/td>\n29<\/td>\n55<\/td>\n36<\/td>\n0.56<\/td>\nSistema de transmiss\u00e3o da avia\u00e7\u00e3o<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Explica\u00e7\u00e3o dos par\u00e2metros-chave<\/h2>\n

R\u00e1cio de carga din\u00e2mica\/est\u00e1tica: reflecte a margem de seguran\u00e7a do rolamento no estado rotativo e estacion\u00e1rio<\/p>\n

Design compacto: pequeno volume para conseguir uma carga elevada, otimizar a utiliza\u00e7\u00e3o do espa\u00e7o do equipamento<\/p>\n

Marcas comuns<\/h2>\n

SKF Rolamento de esferas de contacto angular de duas carreiras
\nNSK Rolamento de esferas de contacto angular de duas carreiras
\nFAG Rolamento de esferas de contacto angular de duas carreiras
\nINA Rolamento de esferas de contacto angular de duas carreiras
\nKOYO Rolamento de esferas de contacto angular de duas carreiras
\nTIMKEN Rolamento de esferas de contacto angular de duas carreiras
\nNACHI Rolamento de esferas de contacto angular de duas carreiras
\nNTN Rolamento de esferas de contacto angular de duas carreiras<\/p>\n

Principais \u00e1reas de aplica\u00e7\u00e3o<\/h2>\n

Fabrico de equipamento topo de gama<\/h3>\n

O eixo da m\u00e1quina-ferramenta com liga\u00e7\u00e3o de cinco eixos adopta rolamentos de precis\u00e3o de n\u00edvel P4 para garantir uma precis\u00e3o de maquina\u00e7\u00e3o de 0,001 mm<\/p>\n

\"Double<\/p>\n

Ve\u00edculos movidos a novas energias<\/h3>\n

Os rolamentos do motor de acionamento t\u00eam de atingir uma velocidade superior a 20.000 rpm e suportar a for\u00e7a electromagn\u00e9tica axial do motor<\/p>\n

\"Double<\/p>\n

Equipamento de energia limpa<\/h3>\n

A vida \u00fatil do projeto do rolamento do eixo principal da turbina e\u00f3lica \u00e9 de 200.000 horas, adaptando-se ao ambiente extremamente frio de -40 \u2103<\/p>\n

Aeroespacial<\/h3>\n

Os rolamentos do sistema de transmiss\u00e3o do helic\u00f3ptero s\u00e3o tratados com lubrifica\u00e7\u00e3o especial para conseguir um funcionamento est\u00e1vel a 200\u2103<\/p>\n

Rob\u00f4s inteligentes<\/h3>\n

O m\u00f3dulo de articula\u00e7\u00e3o do rob\u00f4 colaborativo adopta um design ultra-silencioso com um ru\u00eddo de funcionamento inferior a 45dB<\/p>\n

Perguntas e respostas t\u00e9cnicas<\/h2>\n

Q1 Quais s\u00e3o as principais vantagens em compara\u00e7\u00e3o com os rolamentos de uma fila?<\/strong>
\nA estrutura de duas filas tem um aumento de rigidez axial superior a 60% e a capacidade de carga de impulso bidirecional duplicou, o que \u00e9 particularmente adequado para condi\u00e7\u00f5es de trabalho com movimento axial.<\/p>\n

Q2 Temperatura de funcionamento extrema?<\/strong>
\nO tipo padr\u00e3o \u00e9 adequado para a faixa de -30 \u2103 ~ 120 \u2103, e o uso de graxa totalmente sint\u00e9tica pode ser estendido para -50 \u2103 ~ 180 \u2103 (como modelos espec\u00edficos do espa\u00e7o a\u00e9reo).<\/p>\n

Q3 Factores-chave para a sele\u00e7\u00e3o?<\/strong>
\n\u00c9 necess\u00e1rio concentrar-se na verifica\u00e7\u00e3o:<\/p>\n

C\u00e1lculo da carga din\u00e2mica equivalente (f\u00f3rmula composta Fr+Fa)<\/p>\n

Rela\u00e7\u00e3o entre a velocidade limite e o valor dmN<\/p>\n

M\u00e9todo de lubrifica\u00e7\u00e3o e ciclo de relubrifica\u00e7\u00e3o<\/p>\n

Q4 Pontos de manuten\u00e7\u00e3o?<\/strong><\/p>\n

Verificar o estado da massa lubrificante a cada 2000 horas de funcionamento<\/p>\n

Utilizar um instrumento de alinhamento a laser para garantir que a excentricidade da instala\u00e7\u00e3o \u00e9 inferior a 0,02 mm<\/p>\n

O valor de aviso da monitoriza\u00e7\u00e3o das vibra\u00e7\u00f5es est\u00e1 definido para 4,5 mm\/s<\/p>\n

Se tiver alguma d\u00favida, consulte a nossa Rolamentos de esferas de contacto angular<\/a>\u00a0<\/strong>Cat\u00e1logo para resposta, e se tiver mais perguntas, procure os nossos representantes de vendas para obter ajuda!<\/p>","protected":false},"excerpt":{"rendered":"

Principais aplica\u00e7\u00f5es<\/h3>\n

Fusos de m\u00e1quinas-ferramentas (centros de maquinagem CNC, rectificadoras)<\/p>\n

Sistemas de acionamento autom\u00f3vel (motores, caixas de velocidades, cubos de rodas)<\/p>\n

Equipamentos de produ\u00e7\u00e3o de energia e\u00f3lica (fusos, caixas de velocidades)<\/p>\n

Rob\u00f4s industriais (rolamentos esf\u00e9ricos, redutores)<\/p>\n

Aeroespacial (motores de avi\u00f5es, trens de aterragem)<\/p>\n

Vantagens e carater\u00edsticas<\/h3>\n

Elevada capacidade de carga - a estrutura de duas filas melhora a capacidade de carga radial e axial
\nDesign de \u00e2ngulo de contacto optimizado para elevada rigidez, deforma\u00e7\u00e3o reduzida e precis\u00e3o melhorada
\nDesempenho a alta velocidade - design de baixa fric\u00e7\u00e3o, adequado para condi\u00e7\u00f5es de trabalho a alta velocidade
\nDistribui\u00e7\u00e3o de carga optimizada de longa dura\u00e7\u00e3o, desgaste reduzido e vida \u00fatil prolongada
\nVersatilidade - adequado para cargas complexas, alta precis\u00e3o e ambientes agressivos<\/p>","protected":false},"featured_media":9999,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_cat":[256,244],"product_tag":[290],"yoast_head":"\nChina Wholesale Double row angular contact ball bearing Supplier - Comdale Bearing<\/title>\n<meta name=\"description\" content=\"As Professional Double row angular contact ball bearing distributor , Comdale supply Roller Bearings, Ball Bearings, Plain Bearing, Slewing Ring Bearings, Combined Bearings, Linear Bearings\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.skf-eu.com\/pt\/produto\/double-row-angular-contact-ball-bearing\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"China Wholesale Double row angular contact ball bearing Supplier - 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