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Import Bearing Brand >> SKF Product List
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Spherical Roller Bearings
Self-aligning roller bearings are two roll in the inner ring and outer ring rolling sphere as a drum, between the roller bearings. Formed surface curvature center and bearing center, so with automatic self-aligning ball bearing the same tone cardiac function. In the shaft, shell buckling, can appear to be adjusted, don‘t add bearing burden. Self-aligning roller bearings can bear radial load and two direction of axial load. Radial load capacity, suitable for heavy load, impact load conditions. Inner circle diameter of bearing, tapered bore is installed directly. Or use the sleeves, remove pipe shall be fitted on cylinder shaft. Keep rack stamping steel maintains, polyamide forming maintains and copper alloy bus system maintains.
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Joint bearing
Joint bearing is a kind of special structure of sliding bearings. Its structure than rolling bearing simple, its main is by a spherical outside of the inner ring and outer ring inside the ball with a composed, can bear larger load, according to its different type and structure, can bear radial load, axial load or radial, axial and existing joint load. Generally used to speed the lower swing motion (namely Angle motion), with the sliding surface, also can be for spherical shape within the scope of certain Angle for tilt movement (i.e. self-aligning movement), in the axis and shaft shell holes concentricity bigger when, still can work normally. Joint bearing is a kind of special structure of sliding bearings.
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Stainless steel bearings
Stainless steel bearings are used in places where there is salt water and corrosion, increase load capacity and heat transfer effects. To have a good corrosion resistance bearing function.
Stainless steel bearings are widely used in food machinery (food processing machinery), fishing vessel (one-way bearing), shower and pulley (Pocket stainless steel bearings), optical instruments, pumps, motors (motors), medical equipment, textile machinery, printing machinery, dust workshops and direct contact with the alkaline and acid solutions of machinery.
Can be used under water (referred to as "underwater bearings.")
Stainless steel bearings can organize bulk of production to achieve a high strength, high precision. You can use the easy to rust, corrosion strength of various products, with extensive use.
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Needle roller bearings
Needle contour surface in recent tip-to-face place slightly contraction. Needle with groove line contact modified results can avoid to produce destructive effect-edge stress. Supporting needle roller bearings is thick wall outside, high-temperature high nitrogen quenching, high precision separation of the roller by high rigidity of outer ring, using linear guide raised edge roller can direct contact, rolling path, and can be easily turn bear tremendous load. To remove the stress, supporting roller adopts the outer surface design, curve roller with single and double seal, not with seals, belt sealing etc various specifications. With seals storage space, provide grease lubrication, lithium base fat permanent and extend lubrication interval. Sealing material for belt skeleton buna n or ST12, its operating temperature range ° C for - 30 ° C to + 100 ° C or - 30 ° C to + 180. Dense mounting type curve roller can withstand heavier load and high performance of strong operation. No, no RSTO invading.this raised edge circle of inner supporting roller
Needle bearings equipped with fine and long roller (roller length is 3 ~ 10 times the diameter of the diameter of general is not more than 5mm), therefore radial structure.when their diameter and load capacity and other types of bearing outside diameter diam-eter, minimum, especially suitable for radial installation limited size of supporting results. According to use different occasions, can choose no inner ring bearings or needle and maintains a module, right now and bearing surface and match the shaft neck housing holes surface directly as the inner and external rolling bearing surface, to guarantee load capacity and operating performance and bearing the same with rings, shaft or housing holes groove surface hardness, machining precision and surface quality shall be the groove with bearing collar comparable. These bearings can only bear radial load.
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Deep groove ball bearings
Deep groove ball bearings, the structure is simple, use convenient to maintain. Mainly used to bear radial load, also can withstand the axial load, when bearing radial clearance increase, with Angle contact ball bearing performance and can withstand the larger axial load. These bearings are small friction coefficient, extreme high speed, size range and forms a variety. Solid and durable, strong commonality and low noise, can be in the running speed operation and easy to install. Single deep groove ball bearings otherwise sealed type design, can no more lubrication and no maintenance. Single belt loaded ball gap and double row ball bearings, applies to heavy work conditions.
1.1: deep groove ball bearings (60,000 type) 1.2: deep groove ball bearings with a snap groove at outer ring (60000N type) 1.3: deep groove ball bearings with one side of dust guard cover and another side of snap groove(60,000-ZN type) 1.4: deep groove ball bearings with two sides of dust guard cover and another side of snap groove(60,000-2ZN type) 1.5: deep groove ball bearings with dust guard cover at one side(60,000 - Z type) 1.6: deep groove ball bearings with dust guard cover at one side (60,000-2Z type) 1.7: deep groove ball bearings with seal cover at one side(60,000 - RS type, 60,000 - RZ type) 1.8: deep groove ball bearings with seal covers at both sides(60,000-2RS type, 60,000-2RZ type) 1.9: deep groove ball bearings with flanged outer ring(F60000 type) 1.10: deep groove ball bearings with dust guard cover at one side of flanged outer ring(F60000 - Z type) 1.11: deep groove ball bearings with dust guard covers at both sides of flanged outer ring(F60000-2Z type).
Deep groove ball bearings are suitable for precision instruments, low noise motor, automobiles, motorcycles and general machinery, etc. as a widely used type of bearings in machinery industry.
6010,6200-6209,6300-6000-6309, 6700-6710,6800-6812,6900-6912 (including open type, ZZ， 2RS)
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Full pack cylindrical roller bearing
SL full pack cylindrical roller bearings, cylindrical roller bearings is a short Gcr15 shaft laps of two raised edge guide roller repairing type convexity sorting, and lock circle combination becomes. SL04, SL18, SL01 various series products are with one-sided or two-sided sealed double row, full pack roller positioning bearings. Inner ring and outer ring, roller group constitute a complete unit can be directly assembly. SL series cylindrical roller bearing of the roller by inner ring and outer ring has raised edge guide an entity in raised edge, outside surface has two ring groove, through stop ring can be easily will bearing axial orientation. Seat width can be less than bearing width to reduce axial space requirements.
Size and shape of the same Angle contact ball bearing, these bearings with larger than the radial load ability, but also suitable for high speed rotating.
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Single Angle contact ball bearing
Single Angle contact ball bearing can only carry axial load in one direction, in radial load, will cause additional axial force. And only limit shaft or shell in a direction of the axial displacement. If paired quality.the installation, make a pair of bearing outer ring, namely the wide end face relatively wide ends, narrow end face narrow end. So we can avoid causing additional axial force, but also in both directions make axis or shell limits in the axial clearance range.
Angle contact ball bearing are: 7000C type (∝ = 15 °), 7000AC type (∝ = 25 °) and 7000B (∝ = 40 °) several types. The bearing outer ring in the gate, generally can‘t be separated from internal and external circle, can bear radial and axial load and a direction combination of the axial load. Axial load capacity by contact Angle is decided, contact Angle is axial load capacity high. The bearing can limit shaft or shell in a direction of the axial displacement.
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Self-aligning ball bearings
Self-aligning ball bearings have cylindrical or tapered and retainers two kinds of structure, keep the frame made of steel sheet or synthetic resins. Its characteristic is outer ring groove is spherical shape, with the nature of mind, can automatically adjustable to compensate concentricity and deflection errors, but inside, outside shall not exceed 3 degrees relative gradient. Opposite Angle alignment error with adjustment ability. Also have sealed and need no longer lubrication design, suitable for the conditions without maintenance. Installed in tight set set and the automatic produce pillow housings SKF within self-aligning ball bearings can offer clients economic bearing configuration. 2.1 cylindrical holes self-aligning ball bearings (10000 model) 2.2 cone hole self-aligning ball bearings (1000K would type) set with tight of 2.3 self-aligning ball bearings (1000K would + H0000 type). Self-aligning ball bearing structure form have: take dust covers and with seals when deep groove ball bearing assembly already fill in the right amount of grease, before the installation, should not be heating also need not cleaning, use process need not lubrication and adapt to the operating temperature - 30 ℃ to + 120 ℃ between. Because of its with two columns roll a ball rolling in the surface and outer ring road, self-aligning ball bearings can automatically adjustable heart, and can withstand the shaft and the Angle between the bearing applies prone to error, the condition and the wrong torsion shaft. Its a cylindrical or tapered and retainers two kinds of structure, keep the frame made of steel sheet or synthetic resins. Self-aligning ball bearings rolling bearings friction is among the lowest of all, so even in high speed circumstance, still with only small temperature rise. Industry application: suitable for precision instruments, low noise machine, automobile, motorcycle and general machinery, etc, it is the most widely used in mechanical industry a kind of bearings.
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One-way bearing
One-way bearings is in a direction can free rotation, and in another direction locked a bearing. One-way bearing metal covering, contain many a roller, needle or ball, and its rolling seat (point) shape, that makes it only in one direction scroll, and in another direction will produce a large resistance (the so-called "one-way").
Powder metallurgy one-way bearing by moulding and sintering process will metal powder (or metallic powder and nonmetal powder mixture) made products technology. In the study of the characteristics and process variation of powder on the basis of characteristics and the corresponding technical process, change the shape of powder, performance, and their organizational structure and become adapted to different needs of bearings.
Entity one-way bearings use GCr15 bearing steel, heat treatment HRC61-65, hardness in small size and high bearing capacity and have enough storage grease of space, can have long come again lubrication interval.
Powder metallurgy one-way bearings and entity one-way bearing can completely by driving force to drive shaft when "locked", to avoid the traditional stamping invading.this bearing "locked" performance unidirectional the problem of insufficient.
Main application: textile machinery; Printing machinery; Automobile industry, Household appliances; Cropping.
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Tapered roller bearings
Taper roller bearings are used to bear to in radial direction load primarily radial and axial joint load. Their cups are separable, tapered roller bearings easy assembling. In the process of installation and use of axial clearance can be adjusted and preloaded mounting can be made. These bearings are separated type bearings, according to belong in the roller bearing the column number to be mounted, double row and four row circular cone roller bearings. Taper roller bearing clearance single user when installation should adjust; Double row and four row circular cone roller bearings clearance has the products leave the factory based on user requirements are given, not the user to resize.
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four-point contact ball
Four-point contact ball bearing is single radial Angle contact ball bearing, the design of groove used to support role in two on the direction of the axial load. The bearing can withstand a maximum of axial load in one of the few minutes of radial load. This bearing compared with double row bearings, take up the axial space down significantly. QJ design SKF four-point contact ball bearing the contact Angle of 35 ° or 45 °. Inner circle for and inner circle. This allows the bearing load more in number of ball bearings, which give higher load to bear ability. Bearing for separate design, namely take ball and keep frame components can be outer lane with two inner circle half ring installation respectively.
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