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Cylindrical Roller Bearings
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High Tem. Bearing

Cylindrical roller bearings belong to the separate type bearings,whose  roller and raceway is linear contact and whose  radial load  capacity is greater applying to heavy load and shock load and high speed conditions.the mounting and dismounting of such bearings is more convenient,when the requirements of inner and outer ring interference fit ,its advantages are demonstrated .this bearing can be classified  into single-row ,double-row ,four-row cylindrical roller bearings according to the rows of rollers. In addition ,there are Cylindrical roller bearings with a full complement of  rollers and other arrangements,one of which is the most widely used --single row cylindrical roller bearings with cage.
.
Four-row cylindrical roller bearings has the advantages of larger radial carrying capacity,high precision of rotating,convenience of mounting  and dismounting ,but it can not withstand axial load.because of  the inner ring without ribs ,inner and outer ring components can be installed( with full sets of rollers and cages). This bearings can be classified  into FC type ,FCD type and FCDP type,mainly used in the heavy machinery (hot and cold roller mill,bloomers  and other heavy machineries  )as working  roll and backup roll .
cylindrical roller bearings with  Full complement of rollers have two types: single-row (NCF) and double-row (NNCF) full complement of roller cylindrical roller bearings because such bearings have no cage and have larger number of rollers, their carrying capacity is large,but the high speed performance is poor,generally used in low speed and heavy load application.
The cage of cylindrical roller bearings ,when its outer diameter DQ400mm,generally use pressed
steel plate (or belt) cage,when D400mm ,use steel or brass machined solid cage;four-row cylindrical roller bearings use brass cage or pin column cage.

FOUR ROW CYLINDRIACAL ROLLER BEARING  d150-180mm

Dimensions Basic load ratings
Dyc     stc
Cr      Cor
Old Model New Model Weight
d D B
mm mm mm KN kg
150 230 156 815     1660 672730 FC3046156 23.5
150 230 156 910     1900   SFC3046156 23.2
160 225 168 1950     2300 FC3245168 -
160 230 130 640     1610 FC3246130 18.7
160 230 130 720     1500 SFC3246130 18.5
160 230 168 820     2220 672832 - 24.2
160 230 168 890     2270 FC3246168 22.2
160 230 168 910     2070 SFC3246168 22
160 240 124 670     1500 672732k FC3248124 20.6
160 240 124 780     1800 SFC3248124 20.6
160 240 168 955     2330 672732 FC3248168 27.6
160 240 168 955     2330 FCD3248168 26
160 260 168 955     2330 FC3252168 38.2
170 230 130 680     1700 FC3446130 16.3
170 230 180 700     2000 FC3446180 22.7
170 240 130 830     1800 FC3448130 -
170 250 170 1000     2400 672734 FC3450170 29.9
170 250 170 1050     2700 SFC3450170 29.5
170 260 120 880     1770 672734k FC3452120 24.2
170 260 120 870     1770 FC3452120 -
170 260 150 860     1900 672834 FC3452150 30.2
170 260 170 1080     2460 FC3452170 34.9
170 260 170 1050     2300 SFC3452170 -
170 260 225 1270     3350 FC3452225 -
180 250 120 600     1580 FC3650120 19
180 250 130 740     1750 FC3650130 20.7
180 250 156 710     1900 FC3650156 24.7
180 250 156 900     2400 SFC3050156 24.5
180 260 120 690     860 672836 FC3652120 20
180 260 124 720     1650 FC3652124 22.6

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