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Home > products > Deep Groove Ball Bearing > 638 Z 638ZZ Ball Bearing with ABEC-3 Precision Rating and Precision Design

638 Z 638ZZ Ball Bearing with ABEC-3 Precision Rating and Precision Design

Product Details

Place of Origin: Zhejiang, China

Model Number: 638 ZZ

Payment & Shipping Terms

Minimum Order Quantity: 500 pieces

Price: $0.12 - $0.16/pieces

Packaging Details: 1. Industry Packing: Tube Packing+Outer carton+ Wooden Pallet
2. Single Packing: Nylon Bag+Individual White/Color Box+Outer carton+ Wooden Pallet

Supply Ability: 100000 Piece/Pieces per Month

Get Best Price
Highlight:
Type:
BALL
Structure:
Deep Groove
Applicable Industries:
Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Home Use, Printing Shops, Energy & Mining
Bore Size:
7.992 - 8 Mm
Precision Rating:
ABEC-1,ABEC-3
Seals Type:
ZZ 2RS
Number Of Row:
Single Row
Material:
Chrome Steel
Cage:
Steel Cage.copper Cage.nylon Cage
Vibration Value:
Z1 Z2 Z3
Vibration Balue:
V1 V2 V3
Weight:
0.0303Kg
Dynamic Load:
4160N
Static Load:
1780N
Grease Speeds:
32000 RPM
Oil Speeds:
37000 RPM
Sample:
Avaliable
Port:
SHANGHAI/NINGBO
Type:
BALL
Structure:
Deep Groove
Applicable Industries:
Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Home Use, Printing Shops, Energy & Mining
Bore Size:
7.992 - 8 Mm
Precision Rating:
ABEC-1,ABEC-3
Seals Type:
ZZ 2RS
Number Of Row:
Single Row
Material:
Chrome Steel
Cage:
Steel Cage.copper Cage.nylon Cage
Vibration Value:
Z1 Z2 Z3
Vibration Balue:
V1 V2 V3
Weight:
0.0303Kg
Dynamic Load:
4160N
Static Load:
1780N
Grease Speeds:
32000 RPM
Oil Speeds:
37000 RPM
Sample:
Avaliable
Port:
SHANGHAI/NINGBO
638 Z 638ZZ Ball Bearing with ABEC-3 Precision Rating and Precision Design

638 Z 638 Ball Bearing 638ZZ Bearings 

 

638 Z 638ZZ Ball Bearing with ABEC-3 Precision Rating and Precision Design 0

 

Deep groove ball bearings are the most representative rolling bearings. The raceways in both of the rings are in the arc groove form, which can carry radial load and axial load in double directions.They can be applied in situations where high rotating speed and low noise and low vibration are required.Compared with other types  of bearings of the same size,this type of bearing has the lowest friction coefficient, high speed limit, simple  structure,lowmanufacturing cost, high precision, no need for frequent maintenance, and large size and form. It is one of the most widely used type bearing . 

 

638 Z 638ZZ Ball Bearing with ABEC-3 Precision Rating and Precision Design 1

  

1. Sealed form: open (no cover), metal shield with dust cover (ZZ), rubber seal (2RS).

2. Cage: steel cage, nylon cage

3. Quality grade: ABEC-1,ABEC-3,ABEC-5/Z1V1,Z2V2,Z3V3

4. Type: 607,608,609,624,625,626,627,629,684,685,686,687,688......

5. Packing: tube packing+50 pcs white box+carton+solid pallet or according to customer's request

 638 Z 638ZZ Ball Bearing with ABEC-3 Precision Rating and Precision Design 2

 

 

638 Z 638ZZ Ball Bearing with ABEC-3 Precision Rating and Precision Design 3

 

The following is about miniature ball bearing 638 ZZ related structure and specification,which I hope can help you  understand them better:

                                        638 Z 638ZZ Ball Bearing with ABEC-3 Precision Rating and Precision Design 4

 

Item

  Miniature Ball Bearing 638 ZZ

Brand:

CIE

ID:

8mm

OD:

28mm

Width

9mm

Certification:               

ISO9001:2015  ISO14001:2015  OHSAS 18001:2007

Packing

Industry & Single Packing

Delivery

15-30 Days

Payment

L/C, T/T, D/P, Paypal

MOQ

500 Piece

Advantage

Competitive Prices with Excellent Quality

Precison Grade

ABEC-1 ,ABEC-3,ABEC-5

Noise Level

Z1 Z2 Z3 

Vibration Level

V1 V2 V3 

Seal Type

Open ZZ 2RS

638 Z 638ZZ Ball Bearing with ABEC-3 Precision Rating and Precision Design 5

 

 

 

 

 

 

 

 

 

 

 

638 Z 638ZZ Ball Bearing with ABEC-3 Precision Rating and Precision Design 6

 

 

638 Z 638ZZ Ball Bearing with ABEC-3 Precision Rating and Precision Design 7

 

Quality is the basis of products. We already established ISO9001:2015 quality management system,ISO14001:2015 environment management system and OHSAS 18001:2007 health and safety management.We own the consummate equipments,the advanced craft and high technology,the high precision testing instruments. In this way,it greatly enhances the machining accuracy,effectively guarantees the superior quality of the goods,reduces the product manufacture precision. It continuously lifts up the products quality through the techinical innovation. Our testing center has hardness instruments,roundness machine, roughness machine,noise and BVT testing machine,clearance instrument,inner/outer/width diameter instrument.which can provide scientific results of finished products in order to re-engineer improvements in production process. We also conduct all raw material chemical composition test to ensure product lifespan expectation result.before sending each lot,we must test quality from freedom products or 100% inspection as per customer’s request.

 

638 Z 638ZZ Ball Bearing with ABEC-3 Precision Rating and Precision Design 8 

638 Z 638ZZ Ball Bearing with ABEC-3 Precision Rating and Precision Design 9        

 

Miniature ball bearings are widely used in computer, printer machine,medical and household appliance,packing and textile machinery,sports equipment,office equipment, micro motors,precision instruments,sports equipment,office equipment, micro motors,precision instruments,series toys and other fields.

638 Z 638ZZ Ball Bearing with ABEC-3 Precision Rating and Precision Design 10

638 Z 638ZZ Ball Bearing with ABEC-3 Precision Rating and Precision Design 11

 

1.Reply within 24hours for your questions

2.Strictly quality control during production and inspect randomly before every delivery

3.Responsible dealing with each problem accured during our business

 

638 Z 638ZZ Ball Bearing with ABEC-3 Precision Rating and Precision Design 12

 

Q: Can I get your samples ? is it free or charged ?
A: Yes, we can offer some pieces of samples for free but the express cost is charged.

 

Q: How long is your delivery time?
A: Generally it is 5-7 days if the goods are in stock. or it is 15-30 days if the goods are out of stock.

 

Q: What is your terms of payment ?
A: Amount lower than 5000USD, 100% in advance. Amount more than 5000USD, 30% T/T in advance ,balance before shipment.

 

 Q: Will you check these products before shipment?

A: Yes, all the bearings will be strictly controlled before shipment.

 

 Q: What will you do if we are not satisfied with the product?

A: If have any abnormal, Please contact us at first time, we will immediately processing.

 

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638 Z 638ZZ Ball Bearing with ABEC-3 Precision Rating and Precision Design 14

     Looking forward to your inquiry!

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