30304 Taper Roller Bearings Metric 20x52x16.25(mm)-manufacture,factory,supplier from China

(Total 24 Products for 30304 Taper Roller Bearings Metric 20x52x16.25(mm))
Product IntroductionThe 30308 Taper Roller Bearing is a tapered roller metric 0000 series, and the 30308 Taper Roller Bearing is the first choice of SFC brand bearings.
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Product Introduction32909 Taper  Roller Bearing is one of the British tapered roller bearings of the Super light wide, and 32909 Taper  Roller Bearing is a metric size bearing. The inner race raceway surface, outer race raceway surface, and the vertices of each tapered surface of the 32909 Taper  Roller Bearing intersect at a point on the centerline of the bearing.
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Product Introduction1.HR45KBE42+L Double Row Taper Roller Bearings using high-quality steel to ensure that each bearing produced meets the precision standard and extends its service life.2.HR45KBE42+L Double Row Taper Roller Bearings adopt quenching process, uniform hardness, effectively improving the wear resistance of bearings,3.HR45KBE42+L Double Row Taper Roller Bearings use high precision and ultra precision rollers ensure smoother and quieter bearing operation,4.Independent single box sealed packaging ensures longer protection and more convenient transportation.Basic parametersModel Numb
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Product IntroductionSFC 30305- 25x62x18.25 mm Single Row Tapered Roller Bearing is one commom products.Domestic old models is 7305E. From materical to the finished products,every process has undergone  strict inspection.SFC 30305- 25x62x18.25 mm Single Row Tapered Roller Bearing belonging to the metric 30000 series of tapered rollers, suitable for grease lubrication with a speed of 6300r/min and oil lubrication with a speed of 8000r/min.
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Product Introduction30304 Single Row Tapered Roller Bearing consists of a conical inner ring, outer ring, tapered roller, and retainer.It is suitable for the metric 30000 series of tapered rollers.Tapered roller bearings also have double row bearings, paired double row bearings, and four row bearings.
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Product Introduction30209 Taper Roller Bearing  a metric 3000 series  tapered roller bearing  model under the SFC bearing brand.The projection lines of the raceways meet at a common point on the bearing axis to provide a true rolling action and therefore low frictional moments during operation.
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Product Introduction32209 Single Row Metric Tapered Roller Bearing parameters are inner diameter 45mm,outer diameter 85mm,the assembly height 24.75mm.The material is Gcr15,The cage material is top presurre container,the roller is superfinishing roller.The old items number is 7509E.It belongs to metric 30000 series。
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Product Introduction32006 Taper Roller Bearing belongs to the light and wide 320 series single row tapered roller bearing. The old code name of 32006 Taper Roller Bearing is 2007106E. The outer ring and inner ring with rollers and cages of the32006 Taper Roller Bearing can be separated and interchanged. This facilitates installation, disassembly, and maintenance.
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Product Introduction32205 Taper Roller Bearing is single row metic tapered roller bearing.The old domestic number is 7505.Its inner diameter is 25mm,outer diameter is 52mm,thickness is 19mm,weight 0.174kg.32205 Taper Roller Bearing use top presurre cage,super finishing rollers,Gcr15 materials.Before packging,our worker will measure inner ring,outer ring,assembly height.Ensure every products quality is qualified.In terms of use, the maximum speed of 32205 Taper Roller Bearing varies under different lubrication conditions.
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Product Introduction33208 Tapered Roller Bearing is  SFC brand bearing, belonging to the metric 30000 series and the ultra light and wide series tapered roller bearingsSize of 33208 Tapered Roller Bearing(Old Model:3007208E )Inner diameter: 40.000 mmOuter diameter: 80.000 mmThickness: 32.000 mm The detailed data of 33208 bearings and other bearings of 33000 taper roller bearings series ,Please refer to the following tableBearing TypeBasic dimensionsLimit speedRated loadWeight(kg)New TypeOriginal Type(mm)d(mm)DAssembly heigh(mm)TGreaseOilDynamicStatic330063007106E305520710089004370058
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Product IntroductionBearing type: tapered roller bearing       Domestic new model: 32016         Domestic old model: 2007116EInner diameter (mm): 80      Outer diameter (mm): 125          Width (mm): 29Lubricating speed (r/min): 3000          Cor(kN):220             Cr(kN):140Oil lubrication speed (r/min): 3800                 Weight (KG): 1.2732016 tapered roller bearing adopt super finishin
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Product Introduction33206 Taper Roller Bearing are mainly used to withstand combined radial and axial loads, mainly radial loads, and are generally not suitable for bearing axial loads alone.
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Product IntroductionInch Size Tapered Roller Bearings refer to tapered roller bearings whose overall dimensions are designed and measured in inches, originating from British and American countries. There are also various types of Inch Size Tapered Roller Bearings structures such as single row, double row, and four row, and the working performance of Inch Size Tapered Roller Bearings is the same as that of metric sized tapered roller bearings.There are many models of British tapered roller bearings.
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Product Introduction30310 Tapered Roller Bearing is one of the metric 3000 series models under the SFC brand, a Chinese bearing manufacturer.New Item-30310  Tapered Roller BearingOld Item-7310E  Tapered Roller BearingInner diameter: 40.000Outer diameter: 90.000Thickness: 25.250Bearing TypeBasic dimensionsLimit speedRated loadWeight(kg)New TypeOriginal Type(mm)d(mm)DAssembly height(mm)TGreaseOilDynamicStatic303037303E174715.2592001200027400245000.129303047304E205216.2583001100031500332000.165303057305E256218.256900870049200481000.265303067306E307220.755900750061300626000.387
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Product Introduction23148CA/W33  Spherical Roller Bearings using high-quality bearing steel, high-precision rollers, thickened cages, providing more users with high-quality choices.23148CA/W33  Spherical Roller Bearings specifications:Calculation coefficient :e0.31 y12.21 y23.29 y02.16Extreme speed r/min: grease lubrication 850 oil lubrication 1100Basic dimensions mm: d240 D400 B128 rsmin4Basic rated load KN: Cr1650 Cor3000Other dimensions mm: d2289 D1345 b16.7 k8Contact surface and chamfer size mm da (min) 258 Da (max) 382 ra (max) 3Weight: Kg68.2Application Area23148CA/W33 23148CA/
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Product IntroductionTapered Roller Bearings are separable bearings and are classified into Single-Row, Double-Row and Four-Row Tapered Roller Bearings according to the number of rows of rolling elements in the bearing. Tapered roller bearings mainly bear the combined radial and axial loads mainly in the radial direction.
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Product IntroductMetric Size Deep Groove Ball Bearings 6411 6412 6413 6415 6416 6417 6418 6419 6420 have become the preferred component in many industries due to their excellent performance and reliability.
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Production IntroductionMetric Tapered Roller Bearing 32021 32022 32024 32026 has specific size parameters and purposes.
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Product Introduction Automobile  bearings are a type of bearing that is classified according to its purpose. Their function is to keep the shock absorber rotating with the wheels when the vehicle is turning, preventing vibration from being transmitted to the vehicle body through the shock absorber due to uneven road surface during driving.Development History of Automobile BearingsAutomobile  bearings are divided into ball bearings and tapered roller bearings.
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Product IntroductionTapered Roller Bearing 30306 30x72x20.75 is a tapered roller bearing in the metric 30000 series.It uses stamped cages and high-quality bearing steel, making it more durable.The grease lubrication speed is 5600r/min, the oil lubrication speed is 7000r/min, the basic rated load (Cor) is 54.9kN, and the Cr (dynamic load) is 50.9kN.From raw materials to testing, we strive for excellence in every aspect and have won praise from our customers.Bearing NumberPrincipal Dimensions(mm)Basic Load Ratings(KN)Limiting Speeds(r/min)Weight/kgMounting Dimensions(mm)dDTBCr1minr2minCrCor
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Product Introduction32208 Single Row Tapered Roller Bearing adopt advanced GCR15 materials,top pressure cage,super finishing rollers.32208 Single Row Tapered Roller Bearing belongs to the metric 30000 series of tapered rollers, with  an inner diameter of 40.000 mm, an outer diameter of 80.000 mm, and a thickness of 24.750 mm.The old domestic number is 7508E.32208 Single Row Tapered Roller Bearing have specific size parameters, suitable for specific mechanical applications.
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Product IntroductionAgricultural Bearings are one of the commonly used accessories for agricultural machinery, widely used in agricultural vehicles, tractors, diesel engines, electric motors, rakes, balers, harvesters, threshers and other agricultural machinery. The accuracy, performance, life and reliability of the host play a decisive role. Agricultural Machinery Bearings can sustain continuous vibration and high impact loads, and can operate reliably under various weather conditions.
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Product IntroductionDouble Row Tapered Roller Bearings  come in various variants and have different functions. According to the design, double row tapered roller bearings can withstand large radial loads and axial loads in both directions, and have strong rigidity.The outer ring (or inner ring) of Double Row Tapered Roller Bearings  is a whole. The small end faces of the two inner rings (or outer rings) are similar, with a spacer ring in the middle.
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Product IntroductionThe size specifications of 23056 CC/W33 bearings and  23056 CAE4 bearings are as follows:Inner diameter: 280 millimeters (mm)Outer diameter: 420 millimeters (mm)Width: 106 millimeters (mm)Inner shoulder diameter: approximately 315 millimeters (mm)Outer shoulder or concave diameter: approximately 380 millimeters (mm)Outer ring lubrication groove width: 16.7 millimeters (mm)Lubrication hole diameter (outer ring): 9 millimeters (mm)Minimum chamfer size for outer ring: 4 millimeters (mm)Shaft shoulder diameter: minimum approximately 295 millimeters (mm)Bearing seat shoulde
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How to install tapered roller bearingsAdjusting the axial clearance for the installation of tapered roller bearings can be achieved by adjusting the nuts, washers, and threads in the bearing seat holes on the shaft neck, or by using methods such as pre tensioning springs.
Bearings are a common mechanical component used to support and rotate shafts in machines. As an important component of SFC bearings, the cage plays a role in fixing the position and separating the rolling elements, while also bearing the load of the bearing. The following will introduce three types of cages for SFC bearings, their respective characteristics, and different application environments.Conventional steel plate holderThe conventional steel plate cage is the most common type of bearing cage, which is formed by stamping two or more steel plates.
Bearing steel is a steel used to manufacture balls, rollers, and bearing rings. Bearings bear great pressure and friction during operation, so it is required that the bearing steel has high and uniform hardness and wear resistance, as well as high elastic limit.
The metallurgical quality of bearing materials was once the main factor affecting the early failure of bearings. With the improvement of metallurgical technology (such as vacuum degassing of bearing steel), the quality of raw materials has been improved. The proportion of raw material quality factors in the failure analysis of overall eccentric bearings has significantly decreased, but it remains one of the main influencing factors of bearing failure.
In industrial production, bearings, as key components of mechanical equipment, their performance and quality directly affect the operational efficiency and stability of the equipment. Many customers often pay attention to the wear resistance, load-bearing capacity, operating accuracy, and service life of bearings when choosing them.
When removing the bearings for inspection, first use photography and other methods to make a good appearance record. In addition, it is necessary to confirm the amount of remaining lubricant and sample the lubricant before cleaning the bearings.a、 The cleaning of bearings can be divided into rough cleaning and fine cleaning, and a metal mesh frame can be placed at the bottom of the container used.b、 When rough washing, use a brush or other tool to remove lubricating grease or adhesive in oil.
Bearings are crucial components for maintaining the normal operation of the vibrating screen. During normal operation, bearings should run smoothly and without any noise. However, due to poor quality or improper operation of the vibrating screen, bearings are prone to overheating, causing wear and even fracture, which seriously affects the normal use of the vibrating screen.1.Insufficient lubricationDuring the use of bearings, the internal lubricating oil is gradually consumed.
Correct installation of bearings has a direct impact on their precision, durability, efficiency and other aspects.
1、 This type of bearing can withstand both radial and axial loads and consists of two outer rings, one spacer ring, and one inner sleeve component. The manufacturing clearance of bearings has been adjusted with spacers according to the user's working conditions and national standards when the product leaves the factory.
SFC Bearings Provide Optimized Services For Customers. SFC serious bearings use  unique heat treatment technology to fully utilize the characteristics of these highly pure steels. This unique heat treatment technology optimizes the wear resistance characteristics of SFC bearings without affecting their stability at high temperatures.