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RV Reducer Crankshaft Bearing

Author: Time:2020-03-27 Views:380

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RV reducer has the advantages of large transmission ratio, high transmission efficiency, small backlash, low vibration, high accuracy and high rigidity . It's normally applied for robots, welding displacement table, CNC machine tools, precision radar drive control and other precision transmission industries which require large speed ratio while the mounting space is limited. 

Qualified RV reducer bearings should provide high positioning accuracy, high loading capacity and high stiffness. There are mainly four types of RV reducer bearing:

1.Thin-section angular contact ball bearings. As the main bearing of the reducer, it has a large contact angle, usually 40°~ 50°.

2. Thin-section deep groove ball bearings are mainly used for the output part of the reducer, with the feature of high precision and stable output. 
3. Thin-section tapered roller bearings, including the crankshaft bearing and main bearing. Thin section crankshaft bearings are usually small and placed on both sides of the crank; thin-wall tapered roller bearings are used as the main bearings of RV reducer, similar to angular contact ball bearings. 
4. Needle roller and cage assembly. This type of bearing has neither inner nor outer rings. It is placed in the middle of the crank to support the crank cycloid wheel. 


RV Reducer ModelModelsDimension (mm)Load Rating (kN)
dDTBCrminr1minCrCor
RV-20E RV-2533001-9.49.4241312111111.710.4
RV-20E RV-2533001102413121110.511.710.4
RV-20E RV-42NA2125/1012271312111.20.614.714.3
RV-20E RV-42N3010112271312112.21.615.715.3
RV-50C30202*2J153012.712110.60.616.317
RV-50C32102153013.1 Lower deviation12110.60.616.317
RV-50E30202153511.7511101117.116.1
RV-80E RV-70F RV-120C32202153515 Lower deviation1511.751.50.62323.8
RV-80E RV-70F RV-120C32202X1153615 Lower deviation1511.751.50.62323.8
RV-110E RV-110F RV-127F RV-200C32004U20421515120.60.626.229.9
RV-160E CR-320C30204204715.2514121.51.528.230.6
RV-160E CR-320C30204U204715 Lower deviation1511.50.812935.8
RV-320CA CR-400C32204U204717 Lower deviation17.5130.8133.738.5
RV-320E RV-500C32006X23058202015.51.50.642.851.6
RV-320E RV-500C33006X2305819.72015.521.542.751.5
RV-450E32206X3306522 Lower deviation2217.52.21.263.275

Characteristics Of Bearing Steel For RV Reducer Crankshaft Bearing
* High contact fatigue strength, to ensure bearings service life. 
* Good wear resistance to maintain the bearing accuracy and stability, and extend the service life. 
* Up to standard hardness ensuring bearings to achieve high contact fatigue strength and wear resistance. 
* During processing, bearing parts will go through cold and hot working, so bearing steel should have good processability.


Applications 
RV reducer crankshaft bearing is with small size and light weight, can provide high rigidity, stable rotation and high rotation accuracy. Besides, it's resistant to impact load and has small noise during operation. Mainly for RV-E and RV-C series reducers, HUANA can also produce customized type, 
4


Mounting

1.Before installation, please clean bearing bracket, shaft, or other components, make sure there is no burrs or rough edge.

2.Install the tapered roller bearing to the crank shaft, then install the locking clip.


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