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Cylindrical roller bearing/Double row cylindrical roller bearings

Double column cylinder (standard) 25-850 millimeters_NNU 4921

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External dimensions(mm)

d105
D145
B40
γ(minimum)1.1
FW117
EW

Rated load(KN)

Cr161
Cor315

Rated speed min-1

grease3800
oil4800

Bearing code

Cylindrical holeNNU 4921
conical boreNNU 4921 K

Installation size(mm)

Da
(minimum)
111.5
da
(maximum)
116
d1a
(minimum)
113
dc
(minimum)
120
da
(maximum)
138.5
Da
(minimum)
γa
(maximum)
1

weight(kg)

(refer to)1.99

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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DEGUO_DUG@163.com

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