TitleProduct

Ball Bearing Balls

  • Price:

    Negotiable

  • minimum:

  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Jiangsu

  • Validity to:

    Long-term effective

  • Last update:

    2019-06-22 16:20

  • Browse the number:

    304

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Company Profile

Haimen City Mingzhu Steel Ball Co., Ltd.

By certification [File Integrity]

Contact:mingzhugq(Mr.)  

Email:

Telephone:

Phone:

Area:Jiangsu

Address:Jiangsu

Website:http://www.hmmzsteelball.com/ http://mingzhugq.world-led.net/

Product Details

Description

Ball Bearing balls are special steel balls that have a highly spherical form and a smooth surface, normally utilized in ball bearings like: deep groove ball bearing, Angular contact ball bearing, ball thrust bearing, four-point contact ball, Self-aligning ball bearing.

Ball bearings should have basic properties such as long life spam, low vibration, low noise, low rotational torque and high reliability. To achieve the above performance, it is necessary to ensure the quality of all bearing parts, above all, the steel balls.

 

We offer a variety of size, G10-G40 high grade chrome & Stainless steel balls for the ball bearing use, featured by:

●low vibration & roughness;

●good roundness;

●Reasonable hardness;

●High load capacity;

●Minimum surface defects

 

Specification:

Ball bearing ball

Grade:

G10-G40

Material:

100Cr6, 100CrMn6, 420, 440

Hardness:

HRC 55-66

Certification:

ISO 9001, IATF 16949 qualified

 

Diameter: 

Ball bearing ball size

(mm)

(inch)

(mm)

(inch)

3.175

1/8"

8.7

-

3.5

-

8.731

11/32"

3.969

5/32"

9.0

-

4.0

-

9.525

3/8"

4.2

-

10.0

-

4.4

-

10.3188

13/32"

4.5

-

11.0

-

4.63

-

11.1125

7/16"

4.7

-

11.5094

29/64"

4.7625

3/16"

11.9062

15/32"

4.8

-

12.0

-

4.9

-

12.3031

31/64"

5.0

-

12.7

1/2"

5.1

-

13.0

-

5.1594

-

13.4938

17/32"

5.2

-

14.0

-

5.25

-

14.2875

9/16"

5.3

-

15.0812

19/32"

5.35

-

15.0

-

5.4

-

15.875

5/8"

5.5

-

16.0

-

5.5562

7/32"

16.6688

21/32"

5.6

-

17.4625

11/16"

5.9531

15/64"

19.05

3/4"

6.0

-

20.0

-

6.35

1/4"

20.637

13/16"

6.5

-

22.0

-

6.7469

17/64"

22.225

7/8"

7.0

-

23.8125

15/16

7.1438

7/32"

25.4

1"

7.5

-

30.1625

1 3/16"

7.62

-

32.0

-

7.9375

5/16"

38.1

1 1/2"

8.0

-



Note: The diameters in the table above are the sizes we commonly manufacture. please contact us for unlisted sizes.


Our advantage:

● We have been engaged in steel ball production for more than 26 years;

● We offer a great variety of sizes ranged from 3.175mm to 38.1mm. The size spreadsheet can be referred as follows;

● We have a wide stock availability. Most of the standard sizes (3.175mm~38.1mm) and gauges (-8~+8) are available, which can be delivered immediately;

● Non-standard sizes and gauges can be manufactured under special request (such as 5.1mm, 5.15mm, 5.2mm, 5.3mm 5.4mm for seat track; 14.0mm for cam shaft and CV joint, etc.);

● Each batch of balls is inspected by sophisticated machines: roundness tester, roughness tester, metallographic analysis microscope, hardness tester (HRC and HV) to guarantee the quality.


FAQ:

Q: What standards do you adhere to for manufacturing?  

A: Our products are in compliance with the following standards industrial for steel balls:

● ISO 3290 (INTERNATIONAL)

● DIN 5401 (GER)

● AISI/ AFBMA (USA)

● JIS B1501 (JAP)

● GB/T308 (CHN)


Q: What kind of certificates do you achieve?

A: We own ISO9001:2008 management system certification and  IATF16949: 2016 automotive industry quality management system certification.

 

Q: How is your quality assurance?

A: All produced balls are 100% sorted by the sorting bar and checked by the photoelectric surface defect detector. Before packaging samples balls from the lot are to send for final inspection to check for the roughness, roundness, hardness, variation, crush load and vibration in compliance with the standard. If all requirements are met, a inspection report will be made for the customer. Our sophisticated laboratory is equipped with high precision machines and equipment: Rockwell hardness tester, Vickers hardness tester, crushing load machine, roughness meter, roundness meter, diameter comparator, metallographic microscope, vibration measuring instrument, etc..

 

Q: Do you offer free samples for test?

A: Yes, we provide free samples to test and check quality.

 

Q: How long is your lead time?

A: Generally it takes around 3-5 days if the products are in stock. Or else the estimated lead time should be worked out according to your specific quantity, material and grade.

 

Q: We are not familiar with the international transportation. Will you handle all logistics?

A: Definitely, we deal with the logistic issues with our cooperated international freight forwarders with years’ of experience. The customers only need to provide us the basic information

 

Q: How is your packaging method?

A: 1. Conventional packaging method: 4 Inner boxes (14.5cm*9.5cm*8cm) per master carton (30cm*20cm*17cm) with dry plastic bag with VCI anti-rust paper or oiled plastic bag, 24 cartons per wooden pallet (80cm*60cm*65cm). Each carton weighs roughly 23kgs;

2. Steel drum packaging method: 4 steel drums (∅35cm*55cm) with dry plastic bag with VCI anti-rust paper or oiled plastic bag,4 drums per wooden pallet (74cm*74cm*55cm);

3. Customized packaging as per customer's requirement.


http://www.hmmzsteelball.com/