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Cylindrical roller bearing/Single row cylindrical roller bearing (new standard EM series)

Single column cylinder (new EM series) 20-200mm_NU 321 EM

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External dimensions（mm)

d	105
D	225
B	49
γ(minimum)	3
γ₁ (minimum）	3
F_W	133

Rated load(KN)

Cr	425
Cor	480

Rated speed min^-1

grease	2600
oil	3200

Bearing code

	NU 321 EM
NU type	NU
NJ type	NJ
NUP type	NUP

Installation size(mm)

D_a (minimum）	118
d_b (minimum)	118
d_b (maximum)	131
d_c (minimum)	137
d_d (minimum)	149
d_a (maximum）	212
γ_a (maximum)	2.5
γ_b (maximum)	2.5

weight(kg)

(refer to)

9.84

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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With square seat-UCF2

With square seat-UCFL2

Circular seat with convex platform - UCFC2

Equipped with slider seat - UCT2

Equipped with slider seat - UCT3

With circular seat - UCC2

With circular seat - UCC3

With diamond shaped seat-UKFL2

With diamond shaped seat - UKFL3

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Large vertical seat self-aligning bearing with shaft diameter of 150-450mm

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Tightening sleeve for rolling bearings

Dismantling sleeve for rolling bearings

Nut for rolling bearings

Gaskets and other accessories for rolling bearings

Single column cylinder (new EM series) 20-200mm

The indispensable bearing speed matching expert around you

Quickly find the product you need

Cylindrical roller bearing/Single row cylindrical roller bearing (new standard EM series)

Single column cylinder (new EM series) 20-200mm_NU 321 EM

External dimensions（mm)

Rated load(KN)

Rated speed min-1

Bearing code

Installation size(mm)

weight(kg)

describe

Submit requirements online

Find a distributor

Online Service

About Us

Product

Industry Solutions

News

Market sales

Rated speed min^-1