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Combined Cylindrical / Tapered Roller Bearings

Combined Cylindrical / Tapered Roller Bearings

Combined cylindrical / tapered roller bearings, also referred to as "Kombi rolling mill bearings". These type bearings are employed as work roll bearings on Four-high stands of both hot and cold rolling mills and of cold sheet rolling mills.

Combined cylindrical roller/tapered roller bearings, also referred to as "Kombi rolling mill bearings". They comprise two single row cylindrical roller bearings and one double row tapered roller bearing, and support radial loads and axial loads separately. The outer cylindrical roller bearings have high load carrying capacity and are only subjected to radial loads. The cylindrical rollers are guided between two integral flanges on the inner ring, whilst the low flange on the inboard side of the outer ring serves to hold the bearing together until it is mounted. The tapered roller bearing with steep contact angle positioned between the two cylindrical roller bearings has two rows of rollers in a face-to-face arrangement and takes the axial load.

These "Kombi rolling mill bearings" are employed as work roll bearings on Four-high stands of both hot and cold rolling mills and of cold sheet rolling mills. Increased demands with respect to the quality and accuracy of the rolled product as well as further developments in the production process for sheet steel involving the introduction of contra-bending and axial displacement of the rolls have meant that work roll bearing loads have been considerably increased. This means that the four-row tapered roller bearings normally used as work roll bearings can often not meet the requisite life demands because of the much heavier radial and axial loads applied. Compared with standard four-row tapered roller bearings, this Kombi rolling mill bearings design can withstand greater rolling forces.




Model list Of Combined Cylindrical Roller/Tapered Roller Bearings 

FV BEARINGDimensions ( mm )Mass
CODEdDBd1d2B1C1Er1 r2r3 r4(Kg)



minmin
BVNB328735/HA1187.325269.875211.138189.52067084.142532440
BVNB328605/HA1241.478349.148240243.52687490327.52473.5
BVNB328587/HA1266.7355.6240268.729672903372267.5
BVNB329005/HA12904152902923251081283901.53130
BVNB328584/HA1333.375457.098200336380110130432.533135
BVNB328733/HA1385.762514.35317.5388410125145.5468.524190
BVNB328753/HA1406.4546.1330408.444090112.952224220
BVNB328883/HA1406.4546.1330408.44409612052024215
BVNB328407/HA1406.4546.1330408.443412515052024220
BVNB328407A/HA1406.4546.1330408.443412515052024207
BVNB328540/HA1431.8571.528043447710513054452.1200
BVNB328540A/HA1431.8571.528043447710513054452.1190
BVNB328607/HA1431.8571.528040446010513054324240
BVNB328607A/HA1431.8571.528043446010513054324210
BVNB328601/HA1457.2596.6280459.248210513056824210
BVNB328362/HA1462.4561638646449113615058524335
BVNB328362A/HA1462.4561638646449113615068524310
BVNB328441/HA1489.026634.94932049153612014860553200
BVNB328360/HA152069043052256416018066424365
BVNB328360A/HA152069043052255416018065424365


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