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Cylindrical roller bearing/Double row cylindrical roller bearings

Double column cylinder (standard) 25-850 millimeters_NNU 4864

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External dimensions(mm)

d320
D400
B80
γ(minimum)2.1
FW344
EW

Rated load(KN)

Cr700
Cor1840

Rated speed min-1

grease
oil

Bearing code

Cylindrical holeNNU 4864
conical bore

Installation size(mm)

Da
(minimum)
338
da
(maximum)
d1a
(minimum)
dc
(minimum)
351
da
(maximum)
Da
(minimum)
γa
(maximum)
2

weight(kg)

(refer to)22.8

describe

Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways

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132 2888 8061

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