32221 Tapered Roller Bearigs Single Row Bearing

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Product Description:

Specificatioin of Taperder Roller Bearings:



The tapered roller bearing is to bear the combination of radial and axial load but mainly afford radial load. The loading capibility is determined by the raceway angle of outer  ring, the larger angle afford larger load. This kind of bearings can be  seperated and it can be divided into single-row and double-row tapered roller  bearings by the number of columns. The clearance for single-row tapered roller  bearing should be adjusted by the customers when installation. For the  double-row tapered roller bearings,the clearance has already set by the  manufacture before ex-factory. Tapered roller bearing has taper shaped inner  ring and outer ring raceway,and the roller elements arrange between them. All  projection lines from the surface of rollers meet at the same point on bearing  axis. This design makes tapered roller bearings particular suitable for combined  (axial and radial) loads.The axial loading capacity is determined by the  contacting angle α, the bigger angle for α, the larger axial loading capacity  is. Tapered roller bearing is usually a seperated bearing, that is,the inner  ring assembly including roller and cages, is seperated installed with the cup.



Taper roller bearings are mainly used for radial and axial joint load with radial load as main subject. Axial load capacity relies on raceway angle of outer ring: the bigger the angle is, the bigger the bearing capacity is. Outer ring can be separated and can be easily assembled. During installing and using process, axial clearance and radial clearance and radial clearance can be adjusted and pre-interference installation can be allowed. 


            


Product application:

In many applications tapered roller bearings are used in back-to-back pairs so that axial forces can be supported equally in either direction.


- car and vehicle wheel

- mining equipment

- moderate speed

- engine motors

- axle systems    

- construction

- agriculture

- reducers

- gear box



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Q:Tapered roller bearings. Are the rollers tapered?
The frustum of the cone can be seen as a right angled trapezoid revolving around the right angle, and the top is a circle. Can also be seen on top of the tip is tapered off, the tapered roller head is not a round face
Q:What items should be inspected for tapered bearings?
2, tapered roller bearings are not allowed to have an electric drill pattern, vibration patterns, yin and Yang face and polished traces, did not promise to emerge supporting construction and obvious measurement traces, did not agree to knock bumps and obvious color difference.3, the name of the whole machine did not promise to have oxide skin.
Q:The installation of tapered roller bearings
1, for example, a shaft needs to be fitted with two such bearings at both ends. Can it be installed in the same direction?The force of the shaft is concerned. If the shaft is indeed subjected to one-way axial force, of course, it can be installed in the same direction. If it is subjected to biaxial axial force, it will not work
Q:Can tapered roller bearings be installed in a vertical direction?
Absolutely. The bearing below the figure is the tapered roller bearing placed vertically.
Q:Tapered roller bearing: Bearing expert why burned or locked
1, improper choice of bearing clearance.For example: C3 group should be selected for clearance, and the actual use of ordinary group clearance. Because when the bearings work will continue to accumulate heat, shaft diameter and inner ring and outer ring rolling body will swell, because good radiating condition of expansion is relatively small, the whole bearing clearance becomes small, or even negative clearance larger.At this time, stress increases between the body and the rolling roller pressure, lubrication conditions decreased, there will be the phenomenon of boundary lubrication or even local steel on steel friction, so the temperature continues to rise, the base oil in lubricating grease evaporation, so lead to vicious spiral bearing overheating burned, rolling annealing into blue black color, then bearing the friction increasing roller holder to stop COLLOPSE bearing lock.
Q:Internal and external tolerances for tapered roller bearings?
Are you a bearing manufacturer or?The accuracy levels of the bearings are different, and the relevant tolerance levels are different. If it is not for your manufacturer, you can contact the supplier directly to check the data you want to check.If you are a manufacturer, you should have your internal size, accuracy, grade, and some, you can find the tolerance directly.
Q:Can tapered roller bearings be joined together with two single row tapered roller bearings instead of double row?The altar,
3, load and life usually do not vary greatly, this is a personal opinion. I hope I can help you!
Q:Is the tapered roller bearing so correct?
Tapered roller bearingTapered roller bearings are designed for the inner ring, outer ring raceway and roller cone vertex on the central axis of the bearing, radial load acting on the bearing, axial force is generated. Therefore, it is necessary to use the 2 bearings for use, or as double pairs of bearings, double row bearings. Combination and double row tapered roller bearings, when radial loads act on tapered roller bearings
Q:Reasons for the damage of tapered roller bearings used on motors - -
But it is worth noting that you must control your parts tolerances, affect the tolerance of your variables clearance values are 11, 1 respectively -- bearing outer ring end face of large tolerances; 1 large end bearing inner ring outer ring end face 2 large tolerances; tolerances of bearings; 2 large end face of the inner face of tolerance between the two bearings, bearing; the small ring thickness tolerances; spacer ring tolerances; axial length tolerances; and two bearing diameter tolerances, and the corresponding axis tolerances (same axis but not at the same time processing is considered as two independent variables), consider the last four variables is because of you this application should be tightly matched with the inner ring, it will affect the clearance.
Q:Tapered roller bearings, 70 in diameter, please tell me the model number
What about outside diameter (D) and width (B)? You didn't say?.Following are all series of codes and sizes for tapered roller bearings (single column and double row). I hope they can help.Single row tapered roller bearings (taken from GB/T 297-1994)Bearing code |30000: 32914 X2Basic size /mm|d: 70Basic dimensions /mm| D: 100Basic size /mm|T: 20Basic size /mm|B: 19Basic size /mm|C: 16Installation size /mm|da (min):-Installation size /mm|db (max):-Installation dimension /mm| Da (min):-Installation size /mm|Da (max):-Installation size /mm|Db (min):-Installation size /mm|a1 (min): 4Installation size /mm|a2 (min): 6Installation size /mm|ra (max): 1Installation size /mm|rb (max): 1The other is /mm|a size: 19Other sizes /mm|r (min): 1Other sizes /mm|r1 (min): 1The calculated coefficient is |e: 0.33The calculated coefficient is |Y: 1.8The calculated coefficient is |Y0: 1Basic rated load /kN|Cr: 53.2Basic rated load /kN|C0r: 85.5The speed limit / (r/min) | fat: 3600The speed limit / (r/min) | oil: 4500The weight is /kg|W:-

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