Rolling Mill Bearings: Four-Row Cylindrical Roller Bearings FCD4866220E

Rolling Mill Bearings
WD four-row cylindrical roller bearingsare used almost exclusively for the roll necks of rolling mill stands, calenders and roller presses. Their friction is low compared with other roller bearings. As they are normally mounted with an interference fit on the roll neck, they are particularly suitable for rolling mill applications where the rolling speed is high.
The low bearing cross section allows for relatively large roll neck diameters in comparison with the roll diameter. Since very many rollers can be incorporated, the radial load carrying capacity is exceptionally high.
WD four-row cylindrical roller bearings are only able to accommodate radial loads. They are therefore mounted together with deep groove or angular contact ball bearings, or with tapered roller bearings, either radial or thrust designs, which take up the axial loads.
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Bearing Code	FCD4866220E
d	240
D	330
B	220
FW	270
r1.2min	2.1
r3.4min	2.1
Cr	1720
Cor	4300
MassKg	58
SKF	313921
FAG	508368
NTN	4R4811
NSK	240RV3301
KOYO	312943/1YD

Product Tags:

roller ball bearings

      

ball mill bearing

      

Rolling Mill Bearings: Four-Row Cylindrical Roller Bearings FCD4866220E Images