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Mechanical Bearing 627 Company

Mechanical Bearing 627

Mechanical Bearing 627

MAIN CHARACTERISTICS

Low vibration, low noise.
Suitable for bad and complicated environment.
Precision level all over P5

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Product Details

Basic
bearing No

Bore d
mm

Outer 
diameter D
mm

Width B
mm

Radius rsmin
mm

Basic load rating KN

Limiting speed rpm

Dynamic
cr

Staric
Cor

Grease
r/min

Oil
r/min

627

7

22

7

0.3

3.28

1.35

30000

36000

The accuracy of ZXZC deep groove ball bearings (Mechanical Bearing 627) are divided into four grades of tolerances with national standard GB/T307. 1 which compared with the ISO and AFBMA standard.etc is in the following table.

Standard

Tolerrance class

GB/T307.1

PO

P6

P5

P4

IS0492

C LASSO

CLASS6

CLASS5

CLASS4

AFBMA STD.20

ABEC1

ABEC3

ABEC5

ABEC7

The rings and ball of ZXZC deep groove ball bearings aremade of refined high chrome bearings steel (AISI52100) of staingless stee(AlSI440C).The cages are made of lowcarbon steel Spcc or Nylon A3HC5 Other materials is available for specific use in order.

ZXZC deep groove ball bearings feature low vibration and noise.Bearings conforming to standard EMQ are supplied for customers.

Bearings are filled with oil or grease when they are delivered.These bearings are suitable use at working temperature of -50℃ to 200℃ . Specific brands of oil or grease available which is stipulated in the contract.

Manufacturer

Brand

Viscosity

Base oil

Drop point °C

Worked penetration

Operating temperature range °C

Manufacturer

Brand

Thickener

Base oil

Droppoing point

-

Usage temperature range

Kyodo yushi

Multemp PS2

Lithium soap

Diester oil + mineral oil

190

275

-60°C~130°C

Multemp SRL

Lithium soap

Polylester + diester oil

190

250

-50°C~150°C

Multemp SB-M

Diurea

Synthetic hydrocarbon oil

260

220

-40°C~200°C

Raremax Super

Urea

Mineral oil

253

260

-40°C-200°C

Yiping

Advanced

Lubricant

Company

7014

-

-

250

57-72

-60°C-200°C

7014-1

-

-

280

62-75

-40°C-200°C

7016

-

-

260

60-75

-60oC~200oC

Kluber

NB52

-

-

-

-

-50°C~120°C

BQ72-72

Polyurea

Ester oil

>250

250-280

-45°C~180°C

Shell

ALVANIA RLQ2

Lithium

Ester oil

195

266

-25°C~120°C

Mobil oil

MOBILGREASE HP222

Lithium

-

281

280

-29°C~177°C

MOBILGREASE 28

Bentonite

Synthetic hydrocarbon oil

>260

280

-60°C~180°C

Chevron

Chevron SRL-2

Polyurea

Mineral

243

260

-30°C~175°C

The radial internal clearcnces of ZXZC deep groove ball bearings are according with National standard GB/T4604(which is adopted ISO5753 equivalently) Dividing into five groups as shown in the following table.

Aperture(mm)

Group2

Normal Group

Group3

Group4

Group5

Over

To

Min

Max

Min

Max

Min

Max

Min

Max

Min

Max

2.5

6

0

7

2

13

8

23

-

-

-

-

6

10

0

7

2

13

8

23

14

29

20

37

10

18

0

9

3

18

11

25

18

33

25

45

The radial internal clearance of ZXZC deep groove ball bearings are also adopted Natilonal standard NSK.ETC is in the following table.

Clearance mark

MCI

MC2

MC3

MC4

MC5

MC6

Clearance

Min

Max

Min

Max

Min

Max

Min

Max

Min

Max

Min

Max

0

5

3

8

5

10

8

13

13

20

20

28

Packing

Mechanical Bearing 627 are packed in plastic tubes or polythene bags,and then in carton boxes industrial packing is also available. Special requirements should be mentioned in order.

Bearing Structure

Hardchn is leading Mechanical Bearing 627 factory and Mechanical Bearing 627 company in China, we offer kinds of solution for high quality Mechanical Bearing 627. Check our bearing manufacturing workshop and detailed bearing structure.

Workshop Pictures

The high standard achieved ensures that every compoment from our fully automated factories will meet the critical standards set by our customers and quality assurance. Authorities of ISO-9001, TS16949 respectively.

bearing structure

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