Double Row Bearing Deep Groove Ball Bearing
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- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 500 pc
- Supply Capability:
- 200000 pc/month
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4312 ZZ double row bearing deep groove ball bearing
Deep groove ball bearings are particularly versatile. They are simple in design, non-separable, suitable for high and very high speeds and are robust in operation, requiring little maintenance. Because deep groove ball bearings are the most widely used bearing type, they are available from TIANHE in many designs, variants and sizes.
In addition to the bearings presented in this section, deep groove ball bearings for special applications are shown under Engineered products.
Material
1.PTFE with fibre 0.01~0.03mm
2.Porous bronze 0.2~0.3mm
3.Steel backing 0.7~2.3mm
4.Tin-plating 0.005mm or copper plating 0.008mm
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.
- Q: What is the selection principle of grease for plain bearings?
- 1. Working environment analysis of sliding bearings in use(1) bearing load, high speed, should choose cone penetration of grease, and vice versa, we should choose cone penetration. If the high-speed bearings, cone penetration is small, good mechanical stability of grease. Special attention is paid to the lower viscosity of the base oil of the grease(2) the drip point of grease should be used at 20-30 degrees higher than the working temperature. In the case of continuous running at high temperature, special attention should be paid not to exceed the allowable temperature range of grease(3) if the sliding bearing works in water or wet environment, choose the calcium base, aluminum base or lithium base grease with good water resistance(4) the grease with better adhesion is chosen
- Q: Why are the bearings rolling separately?
- The radial contact bearings are radial bearings with nominal contact angles of 0, and radial angular contact bearings are radial bearings with nominal contact angles greater than 0 to 45. Axial contact bearings for nominal contact angle of 90 thrust bearings, thrust angle contact bearings for nominal contact angle greater than 45, but less than 90 of thrust bearings.According to the shape of the rolling body can be divided into ball bearings and roller bearings. According to the types of roller roller bearings: cylindrical roller bearings, needle roller bearings, tapered roller bearings and spherical roller bearing.According to the work can be divided into aligning - self-aligning bearing raceway is spherical shape, can adapt to the two rolling bearing channel angular deviation between the axis lines and angular movement and non self-aligning bearing (rigid bearing) - bearing raceway axis line impedance angle offset.
- Q: What are the structures of journal bearings, rolling bearings or plain bearings?
- As far as I know, there seems to be no uniform standard in our country at the moment. So I'm sorry, but I still can't provide you with the organization chart. Supplement:Disclaimer: my previous answer was mixed and invalid!!! Totally agree with the frozen answer!!!Today's journal bearings are mostly used in the field of automobile technology.
- Q: What are the structural and functional differences between thrust bearings and radial bearings and conventional ball bearings and plain bearings?
- First of all, there is a classification error in the question you ask. The thrust bearings and radial bearings are separated according to the direction of the bearing force of the shaft. The ball bearings and the sliding bearings are separated according to the bearing structure,
- Q: What is a sliding bearing alloy?
- 1, sufficient strength and hardness; 2, high wear resistance and small friction coefficient; 3, enough plasticity and toughness, higher fatigue strength; 4, good heat resistance grade corrosion resistance; 5, good running in.
- Q: Sliding bearing, bearing bushing, what is the relationship? There must be a sliding bearing bushing and bearing in?
- but since a high frequency quenching and surface treatment process after these basically eliminated.There must be a sliding bearing bush, but would not necessarily be a bush.
- Q: What is the relationship between the eccentric e of the sliding bearing and the external load and the bearing speed?
- With the increase of the external load, the Z increases and the speed decreases
- Q: Are plain bearings grease lubricated?
- There are many kinds of sliding bearings, from lubrication methods can be divided into two types of hydrostatic lubrication and dynamic lubrication.Hydrostatic lubrication is to rely on lubrication is the system's oil pump pressure, so that the oil into the lubrication point. Due to the external pressure by the formation of oil wedge, oil film thickness, thus can produce or avoid starting impact of dry friction, wear a small (friction coefficient is 0.001), compared with the dynamic pressure bearing, can use slightly low viscosity lubricating oil.Dynamic pressure bearing is the rotation of the shaft, the use of lubricating oil to produce oil wedge force, the formation of fluid mechanics, dynamic oil film.
- Q: Is the high or low pair of plain bearings and shafts?
- Since the contact area is surface contact, the sliding bearings and shafts are low pairs
- Q: Hello, about the bearing problem. Sliding bearings are made of powder metallurgy. What kind of grease does it use?
- You say is the ultra high temperature lubricating powder, and thread anti card grease, the grease types include the following:The total synthesis of anti - thread copper card containing metal powder, grease, commonly known as golden oil, thread, assembly and seal for high temperature.The total synthesis of high temperature anti - white fat card, the connotation of non metal powder. Mainly used for high temperature lubrication, demoulding, assembly, sealing.Total synthesis - black thread sealing grease containing MoS2 powder for bolt thread, casing, drill pipe etc..At present, the product, the tiger head, hotolube and Kluber series of more complete, stable quality. The metallurgical powder you are talking about may be the first or the third. Please choose according to the use.
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Double Row Bearing Deep Groove Ball Bearing
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 500 pc
- Supply Capability:
- 200000 pc/month
OKorder Service Pledge
OKorder Financial Service
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