advanced search self-aligning ball bearing 2208

advanced search self-aligning ball bearing 2208

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 10 set

Supply Capability:: 100000 set/month

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Specifications

advanced search self-aligning ball bearing 2208
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Advanced search self-aligning ball bearing 2208

Double row self-aligning ball bearings have a sphere raceway in the outer ring and a double raceway in the inner ring. This feature give the bearings their self-aligning property, permitting angular misalignment of the shaft relative to the housing. They are therefore particularly suitable for applications where misalignment can arise from errors in mounting or from shaft deflection.

Double row self-aligning ball bearings are mainly used to carry radial loads and light axial loads, but cann't carry pure axial loads

Technical

Load capacity 140N/mm2

Temperature -195°C ~ +280°C

Speed limit 5m/s

Friction coef(u) 0.04~0.20

PV Limit(Dry) 3.6N/mm2 .m/s

Application

1.PTFE and fibre can protect the shaft while in operation.

2.It is suitable for the machine required harmless to people because

of Lead-free.

3.Goodload capacity and anti-wear.

4.Bronze and steel have good thermal conductivity.

5.Anti-corrosion because of surface plating.

6.It is widely used in general machines,and suitable for food machine,pharmaceutical

machine,tobacco machine etc.It will subsitute SF-1 series bushings in future because of environment protection.

advanced search self-aligning ball bearing 2208

Q:I mean, how do you install the large equipment? Can you tell me in detail?: First of all, rolling bearings are easy to slideRolling into the general bearing position to be in place.Large equipment, plain bearings, very precise. First painted look and the axis of the contact pressure is required to do according to the clearance bearing and shaft in general adjustment times.If you haven't done it, you'd better ask someone to do it. If your head once afraid not this kind of equipment is very expensive. The motor and the machine are to be connected by meter.Bearings are now generally not adjusted by scraping pads.

Q:What are the bearing capacity of the bearings when they are discharged at the end?: Consider the end discharge and the coefficient of influence at the end of the discharge.

Q:What are the commonly used sliding bearing bushing materials: (3) oilless bearings. It is a kind of porous material which is made of bronze and cast iron powder, pressed by heavy graphite, and sintered by high temperature. It is often used in low or medium speed, light load and inconvenient lubrication.(4) nylon. Nylon, nylon 6 and nylon 1010 are commonly used. The nylon bearing has the advantages of good running and good quality, soft fragments after wear, no damage to the shaft neck, good corrosion resistance, etc. the heat conductivity is poor, and the water can swell when the water is absorbed.

Q:Can hydraulic oil be used in motor sliding bearings?: Do not ask where is the unit where I can, even the fan bearing box reducer is used in hydraulic oil, hydraulic oil because contains anti-wear and lubricating composition, but remember not and mixed with other lubricants

Q:Can self lubrication plain bearings bear both axial and radial loads?: Bearing type is different, the load is not the same.Self lubrication bearings, in fact, are the same as plain sliding bearings, but are designed to lubricate themselves, so they can bear axial and radial loads. General bearings can withstand two-way load, but just to accept the size is not the same.

Q:How does a sliding bearing work?: High speed rotating, in the sliding bearing surface, if the lubrication film can be formed to separate the surface of the moving pair,

Q:I need to use thrust bearings in the design, and the shaft is vertical. What should I use for this bearing? How should the structure be designed?: LZ excuse me, I don't have QQ. What is the size of the space, the diameter of the shaft, the speed and the load? This is the basic working condition. It is better to have the assembly drawings with the surrounding structure.

Q:What kinds of plain bearings can be divided into?: (2) the bearing material and the bush structure have a great influence on the performance of the sliding bearing. The bearing material and the bush structure should be selected by considering various factors.(3) non liquid friction sliding bearing calculation and checking, limit pressure P, to ensure that the lubricating oil film is not destroyed; limit value of PV, in order to ensure the bearing temperature is not too high, because the temperature is too high, easy to cause the rupture boundary of oil film.

Q:Sliding bearings relative clearance 0.001 what?: The so-called relative clearance, refers to the sliding bearings of the Bush and bushings, nominal size tolerances can be large or small, but the gap between each other can only be 0.001.

Q:What are the conditions for forming sliding bearings and dynamic oil film lubrication?: Conditions for lubrication of hydrodynamic oil film for sliding bearings:1, must have an oil wedge to form a dynamic pressure, to ensure equal access to oil;2, the thrust plate relative motion to form convergent wedge on the pad;3, the viscosity of the oil is right, the amount of oil appropriate.

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