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Cylindrical roller bearing/Precision double row cylindrical roller bearings

Double row cylinder (low heat 30 series) 30-120mm_NN 3021ZTBKR

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External dimensions（mm)

d	105
D	160
B	41
γ(minimum)	2
E_W	146

Rated load(KN)

C_r	118000
C_or	161000

Rated speed min^-1

grease	7500
oil	9000

Bearing code

NN 3021ZTBKR

Installation size(mm)

D_a (minimum）	114
d_La (minimum)	115
d_a (maximum）	151
D_a (minimum）	148
γ_a (maximum)	2

weight(kg)

(refer to)

2.342

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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Single row deep groove ball bearing

/enFull ball type ball bearing

Small ball bearings and miniature ball bearings

Rice series

inch series

Special purpose ball bearings

Single row and paired double contact angular ball bearings

Double row angular contact ball bearing

Four point angular contact ball bearing

Four point angular contact ball bearing

Single row cylindrical roller bearing (standard series)

Single row cylindrical roller bearing (L retaining ring)

Single row cylindrical roller (new standard EM series)

Double row cylindrical roller bearings

Precision single row cylindrical roller bearing

Precision double row cylindrical roller bearings

Four columns of cylindrical bearings rolled

Cylindrical roller bearings with self-aligning seat rings

Full roller cylindrical roller bearing

Special purpose cylindrical roller bearings

single-row tapered roller bearing

Double row tapered roller bearing

Four row tapered roller bearings

Spherical roller bearings (standard series)

Special purpose self-aligning roller bearings

Single direction thrust ball bearing

Double Direction Thrust Ball Bearing

Bidirectional thrust angular contact ball bearing (TAC series) with an inner diameter of 140-400mm

High speed thrust angular contact ball bearings (ROBUST series) with an inner diameter of 50-200 millimeters

Bearings for ball screw support

Thrust cylindrical roller bearing

Thrust tapered roller bearing

/enThrust self-aligning roller bearing inner diameter 60-200mm

Thrust self-aligning roller bearing inner diameter 220-500 millimeters

Thrust self-aligning roller bearing inner diameter 530-1060mm

N series thin-walled bearings

Needle roller and cage assembly

Drawn cup needle roller bearing

Solid needle roller bearing

Thrust needle roller

Bolt type roller needle roller bearing

Ring type roller needle roller bearing

Equipped with a vertical seat-UCP2

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

Standard vertical seat self-aligning bearing with shaft diameter of 20-140mm

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

Dust proof vertical self-aligning bearing with seat, shaft diameter 50-180mm

Variable diameter vertical seat self-aligning bearing

Tightening sleeve for rolling bearings

Dismantling sleeve for rolling bearings

Nut for rolling bearings

Gaskets and other accessories for rolling bearings

Double row cylinder (low heat 30 series) 30-120mm

The indispensable bearing speed matching expert around you

Quickly find the product you need

Cylindrical roller bearing/Precision double row cylindrical roller bearings

Double row cylinder (low heat 30 series) 30-120mm_NN 3021ZTBKR

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