{"id":10199,"date":"2025-05-22T06:50:34","date_gmt":"2025-05-22T06:50:34","guid":{"rendered":"https:\/\/www.skf-eu.com\/?post_type=product&p=10199"},"modified":"2025-05-22T06:50:34","modified_gmt":"2025-05-22T06:50:34","slug":"four-row-tapered-roller-bearings","status":"publish","type":"product","link":"https:\/\/www.skf-eu.com\/ms\/product\/four-row-tapered-roller-bearings\/","title":{"rendered":"Four-row Tapered Roller Bearings"},"content":{"rendered":"

Overview of Four-row Tapered Roller Bearings<\/strong><\/h2>\n

Four-row tapered roller bearings<\/strong><\/a> adopt the design of tapered rollers and inner and outer ring contact angles, which can bear radial and axial composite loads at the same time. Compared with single-row or double-row bearings, its four-row roller structure greatly improves the load-bearing capacity and is suitable for industrial scenarios with high load, high speed and high precision requirements.\\<\/p>\n

\"Four-row<\/p>\n

Core Features<\/strong><\/h2>\n

Ultra-high load-bearing performance<\/strong>
\nFour rows of rollers evenly distribute the load, significantly improve the radial and axial load limits of the bearing, and are suitable for extreme working conditions.<\/p>\n

Excellent wear resistance<\/strong>
\nThe optimized tapered roller contact angle design reduces local stress, reduces wear and prolongs service life.<\/p>\n

Wide applicability<\/strong>
\nIt has both radial and axial load capacity and adapts to complex force environments, such as impact loads or alternating stresses.<\/p>\n

Reliable sealing protection<\/strong>
\nStandard sealing or dustproof structure effectively blocks pollutants and ensures stable operation of bearings in harsh environments such as dust and moisture.<\/p>\n

Typical model parameter comparison<\/strong><\/h2>\n\n\n\n\n\n\n\n\n
Model<\/th>\nInner diameter (mm)<\/th>\nOuter diameter (mm)<\/th>\nWidth (mm)<\/th>\nDynamic load (kN)<\/th>\nStatic load (kN)<\/th>\nWeight (kg)<\/th>\nMain application<\/th>\n<\/tr>\n<\/thead>\n
31330X<\/td>\n150<\/td>\n320<\/td>\n90<\/td>\n315<\/td>\n540<\/td>\n18<\/td>\nIndustrial transmission system<\/td>\n<\/tr>\n
33210X<\/td>\n50<\/td>\n90<\/td>\n26.25<\/td>\n51<\/td>\n96<\/td>\n0.8<\/td>\nAutomobile and rail transportation<\/td>\n<\/tr>\n
30330<\/td>\n150<\/td>\n320<\/td>\n68<\/td>\n292<\/td>\n535<\/td>\n12<\/td>\nMetallurgical equipment, precision machine tools<\/td>\n<\/tr>\n
32036X<\/td>\n180<\/td>\n280<\/td>\n58<\/td>\n276<\/td>\n477<\/td>\n10.5<\/td>\nWind power equipment, generator set<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Parameter description<\/strong><\/p>\n

Dynamic\/static load: reflects the maximum load-bearing capacity of the bearing in the rotating and stationary states respectively.<\/p>\n

Size and weight: directly affect the equipment structure design and installation space.<\/p>\n

Common brands<\/strong><\/h2>\n

SKF Four-row tapered roller bearings
\nNSK Four-row tapered roller bearings
\nNTN Four-row tapered roller bearings
\nFAG Four-row tapered roller bearings
\nINA Four-row tapered roller bearings
\nKOYO Four-row tapered roller bearings
\nTIMKEN Four-row tapered roller bearings
\nNACHI Four-row tapered roller bearings<\/p>\n

Typical application areas<\/strong><\/h2>\n

Automobile manufacturing: key components such as drive axles and hub units to cope with high-speed rotation and composite stress.<\/p>\n

Rail transportation: locomotive axles and gearboxes to meet high load and long-term durability requirements.<\/p>\n

\"Four-row<\/p>\n

Metallurgical industry: rolling mill roller system, continuous casting equipment, withstand high temperature, heavy load and impact conditions.<\/p>\n

Energy equipment: wind turbine main shaft, hydraulic turbine, adapt to variable load and harsh environment.<\/p>\n

Precision machine tools: spindle support system to ensure high-precision processing and low-vibration operation.<\/p>\n

\"Four-row<\/p>\n

Common problem analysis<\/strong><\/h2>\n

Q1: Applicable temperature range?
\nConventional models can work in an environment of -20\u2103 to 120\u2103, and special lubrication or materials can be extended to higher temperatures.<\/p>\n

Q2: How to maintain effectively?<\/p>\n

Monitor the lubrication status regularly and replace the grease in time.<\/p>\n

Clean the surrounding environment of the bearing to prevent impurities from intruding.<\/p>\n

Check for abnormal noise, temperature rise or vibration, and troubleshoot faults in advance.<\/p>\n

Q3: How to determine the load capacity?
\nIt is necessary to comprehensively consider the dynamic load (Cr), static load (Cor) and actual working conditions (speed, force direction) for selection and calculation.<\/p>\n

Q4: Does it support high-speed operation?
\nIt is suitable for high-speed scenarios, but it needs to be combined with high-performance lubricants and control temperature rise to avoid performance degradation.<\/p>\n

Conclusion<\/strong><\/h2>\n

Four-row tapered roller bearings<\/strong><\/a> are an ideal choice for heavy-load, high-speed and precision equipment due to their high rigidity, long life and adaptability to multiple working conditions. Through scientific selection and standardized maintenance, the operating efficiency of the equipment can be maximized, covering the core needs of key industries such as automobiles, energy, and metallurgy.<\/p>","protected":false},"excerpt":{"rendered":"

Four-row<\/strong> tapered roller bearings<\/strong> adopt the design of tapered rollers and inner and outer ring contact angles, which can bear radial and axial composite loads at the same time. Compared with single-row or double-row bearings, its four-row roller structure greatly improves the load-bearing capacity and is suitable for industrial scenarios with high load, high speed and high precision requirements.<\/p>","protected":false},"featured_media":10200,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_cat":[240,243],"product_tag":[],"yoast_head":"\nChina Wholesale Four-row Tapered Roller Bearings Supplier - Comdale Bearing<\/title>\n<meta name=\"description\" content=\"As Professional Four-row Tapered Roller Bearings 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\/ms\/product\/four-row-tapered-roller-bearings\/\" \/>\n<meta property=\"og:locale\" content=\"ms_MY\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"China Wholesale Four-row Tapered Roller Bearings Supplier - 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