1222 K Bearing-manufacture,factory,supplier from China

1. Centripetal needle roller and cage assembly (Type K)2, needle roller bearings with double locking rings (NA, NKI, RNA, NK)3. Single row needle roller bearing with double rib on outer ring (NA, NKI, RNA, NK)4, double row needle roller bearings with double guard (NA type, RNA type)5, stamped needle roller bearings (HK type, BK type)Note: This bearing has low cost, large bearing capacity, and is suitable for supporting structures with limited installation size. The journal surface is hardened as a rolling surface, and the bearing is pressed into the seat hole without axial positioning.

Features: Railway bearings have the characteristics of high bearing capacity, wear resistance, impact resistance, high temperature resistance, long life and so on.

The insulated bearing adopts a special spraying process to spray high-quality coating on the outer surface of the bearing. The coating has strong adhesion to the substrate and good insulation performance, which can avoid the electric corrosion of the bearing by the induced current, prevent the damage of the current to the grease, the rolling element and the raceway, and improve the service life of the bearing. The process is constantly improving. In insulated bearings, the outer ring or inner ring surface has a layer of 100μm thick coating, which can withstand voltages up to 1000V DC.

The insulated bearing is a specially designed bearing whose internal structure can effectively isolate the external environment and prevent conductive and conductive heat. Insulated bearings are usually used in special industrial environments or in equipment requiring special protection.Structure composition: The insulated bearing is composed of an inner ring, an outer ring, a rolling body, a cage and a seal.

A flange bearing is a bearing widely used in industrial machinery, which has a flange (usually circular) to be fixed in the mechanical equipment. The flange bearing consists of an inner ring, an outer ring, a rolling element (such as a steel ball, roller, roller, etc.), a cage and a seal.First of all, the inner ring and the outer ring are the main bearing parts of the flange bearing, they are usually made of high-quality steel, after a good heat treatment process to ensure their hardness and wear resistance.

CAM bearing is a kind of bearing, with a thick outer ring needle roller bearing and bolt combination structure; The bearing bolt is provided with X oil passage; The outer surface of the outer ring has a cylindrical shape and a spherical shape, which can be selected according to the actual application; Eccentric type can easily and accurately adjust the axis position of the bolt when installing the bearing, etc., generally used in automotive camshafts (is the shaft that controls the opening and closing action of the X-type engine valve)1, thick outer ring needle roller bearing and bolt combinat

Product Description:The S235J0 carbon steel coil can be used to manufacture pipes for transporting liquids or gases. By crimping and welding processes, the coils can be made into pipes of different diameters and wall thicknesses. It is widely used in water supply and drainage system, low pressure gas transmission system and other fields.

Because the rolling body in the thrust tapered roller bearing is a tapered roller, the rolling surface can form a pure rolling and the limit speed is higher than that of the thrust cylindrical roller bearing because the rolling bus and the raceway bus of the washer converge at a certain point on the axis line of the bearing.New domestic modelsOld domestic modelInner diameter (mm)Outer diameter (mm)Width(mm)Cr(kN)Cor(kN)Grease lubrication speed (r/min)Oil lubrication speed (r/min)Weight (kg)294169039416801705446813802000–5.9129412903941260130422938542700—2.61294139039413651404534410002500—3.342

The process has been continuously improved, and in insulated bearings, there is a coating 100μm thick on the surface of the outer or inner ring, which can withstand voltages up to 1000 V DC.

Product Description:S350GD Galvanized Steel Coils are premium-grade steel products, characterized by their enhanced formability and structural integrity. These coils are specifically designed for applications requiring high tensile strength and resistance to environmental corrosion.

Product Description:6063 aluminum coils are used in the manufacture of train cars for components such as window frames, door frames, interior armrests and trim strips. Its corrosion resistance can be adapted to the environment of long-term train operation, including different climatic conditions and frequent cleaning operations.

Product Description:SGCC Galvanized Steel Coils are the epitome of strength and corrosion resistance, ideal for construction, automotive, and heavy machinery applications. These coils, characterized by their galvanized coating adhesion and uniform galvanized coating thickness, offer superior durability in harsh environments. With a focus on dimensional accuracy and surface finish, our coils are tailored for precision fabrication in various industrial settings.

Construction machinery bearings play a very important role in various construction machinery equipment, carrying and supporting the rotating parts of the equipment to ensure the smooth and efficient operation of the equipment. Different types of construction machinery bearings are suitable for a variety of construction machinery equipment, such as roller bearings, ball bearings, cylindrical roller bearings, etc. Choosing the right bearing type and size, lubrication method and maintenance measures are crucial to the performance and life of construction machinery and equipment.

Product Description:Hot-rolled carbon steel coils are made by rolling billets at high temperatures (usually heated to around 1000-1250 °C). Widely used in the manufacture of various mechanical parts, such as shafts, gears, connecting rods and so on.

Double row deep groove ball bearing:Design: With two balls, these bearings can handle a higher load capacity than a single row of bearings.Application: They are suitable for bearing arrangements where the bearing capacity of a single row of bearings is insufficient, for example in heavy industry applications.Features: Double-row bearings are slightly wider than single-row bearings, but offer better load distribution and improved reliability for demanding applications.Both single-row and double-row boring deep groove ball bearings are designed with high-quality materials to ensure durability an

Pillow block unitsSeated (vertical) ball bearing units consist of a seated bearing mounted in a housing that can be bolted to a support surface. In our product range, you can find units to meet almost all requirements, including units that comply with ISO standards, North American standards or Japanese Industrial Standards (JIS)Flanged ball bearing unitsThe flanged ball bearing units consist of a housing-mounted housing with a housing bearing that can be bolted to the machine wall or frame.

Product Description:S220GD+Z Galvanized Steel Plate is a low alloy steel grade known for its exceptional strength and corrosion resistance. This product is compliant with the EN 10346-2015 standard, which specifies the technical delivery conditions continuously hot-dip coated steel flat products for cold forming. Characterized by a minimum yield strength of 220 MPa, S220GD+Z offers a robust zinc coating that provides excellent protection against rust and other forms of corrosion, making it suitablefor a variety of applications in construction, automotive, and home appliances.

Cross roller bearing is a special kind of rolling bearing, which is widely used in mechanical field. It is designed to meet large size equipment that needs to operate under the requirements of high load capacity, high rigidity and high rotational accuracy. The cross roller bearing is composed of inner and outer rings, rollers, sealing rings and cages, and its structural advantages are that it can withstand both radial and axial loads, with high torque rigidity and running accuracy. The following will introduce the characteristics and applications of cross roller bearings in detail.

One of the largest aspects of the needle curler bearing is the sketch of the needle roller. The needle roller has a smaller diameter than different sorts of rolling elements, so it can obtain a greater load carrying capability in a constrained space.

Hub bearing unit ball bearing is developed on the basis of standard angular contact ball bearings and tapered roller bearings, it will be two sets of bearings as one, with good assembly performance, can be omitted clearance adjustment, light weight, compact structure, large load capacity, for sealing bearings can be loaded in advance grease, omit the external hub seal and free from maintenance and other advantages, has been widely used in cars, There is also a trend of gradual expansion of applications in heavy-duty vehicles.1.

Product Description:The main performance advantage of EG steel coil is good corrosion resistance and stamping performance, and the zinc layer can play a lubricating role to a certain extent, which is conducive to the forming of steel.

Product Description:Q195 carbon steel is mainly composed of iron (Fe) and a small amount of carbon (C), and the elongation is high, up to about 33% (standard distance 50mm).

Product Description:The 6082 Aluminum Pipe is a medium-strength alloy belonging to the 6000 series, known for its excellent corrosion resistance, high strength, and good machinability.

Product Description:S280GD+Z galvanized steel plate has small zinc flowers, polished zinc flowers, zero zinc flowers, zinc iron alloy and other surface structures to choose from, has good welding performance, can be connected by a variety of welding methods, welding joint strength is high, good sealing, can meet the assembly requirements of different structural parts, in the building steel structure, machinery manufacturing and other fields widely used.Full cold galvanizing process:Chemical degreasing → hot water washing → water washing → electrolytic degreasing → water washing → acid washing