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684ZZ Stainless Steel Ball Bearing Size 4*9*4mm 420C Deep Groove Structure

Shenzhen Daiwa Bearing Company Limited

684ZZ Stainless Steel Ball Bearing Size 4*9*4mm 420C Deep Groove Structure

Brand Name : DAW

Model Number : 684ZZ

Certification : SGS ISO9001:2015

Place of Origin : Shanghai, China

MOQ : 100

Price : Negotiable

Payment Terms : T/T, L/C, Western Union

Supply Ability : 5000000 Piece/Pieces per Month

Delivery Time : 7--45days

Packaging Details : tubes+cartons +pallets

Precision Rating : P0 P6 P5 P4 P2

Tolerance : ABEC-1 ABEC-2 ABEC-3 ABEC-5 ABEC-7

Clearance : C2 C0 C3 C4 C5

Vibration : V1,V2,V3,V4

Noisy level : Z1,Z2,Z3,Z4

Seals Type : Open,ZZ,2RS,NR,DU

Cage Material : Steel, Brass

Material : Stainless steel

Size : 4*9*4mm

Lubrication : Grease , oil

Structure : Deep Groove

Number of Row : Single Row

Application : Deep groove ball bearings can be used for transmission, instrumentation, motors, appliances, internal combustion engines, transportation vehicles, agricultural machinery, construction machinery, engineering machinery , roller skate style , yo-yo , precisio

Package : tubes+cartons +pallets

Features : High quality and long life Corrosion Resistance High temperatured resistance 48-128 hours of salt spray test

Service : OEM Customized Services

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684ZZ Stainless Steel Ball Bearing Size 4*9*4mm 420C Deep Groove Structure

Ⅰ. About Daiwa: Our precision deep groove ball bearings are designed for high precision, low noise, small vibration, high reliability and long life. They are mainly used in various types of electric motors. They are also known as EMQ (Electric Motor Quality) bearings.

. Feature : high precision,good performance, small clearance, low-noise, competitive price with good quality .


Ⅲ. Application: household appliances, toys, electric power tools, electric motors, machine tools, measuring instruments, office machinery, Robot joint, facial beauty rollers, drone etc.

684ZZ Stainless Steel Ball Bearing Size 4*9*4mm 420C Deep Groove Structure

Ⅳ. Specification

  • A deep groove ball bearings is the must popular type of rolling-element bearing composed of an outer race ball, an inner race and a bearing cage.and the race dimensions are close to balls dimensions.
  • The materials for producing ball bearing are variety including stainless steel,chrome steel and silicon nitride and more with a simpler construction comparing with other ball bearing, deep groove bearings are suitable for large quantity production
  • The function of deep groove ball bearings is to reduce rotation friction.those balls between outer race and inner race help avoid two flat surfaces rotating on each other thus to achieve the purpose of lowering down friction coefficient
  • Additionally, deep groove ball baerings are primarily used to support radial loads; supports both radial and axial loads is also possible
  • Deep groove ball bearings can be used in wide range of applications.
  1. Firstly, they can de used in industrial transmission mechanical products.
  2. Miniature bearings are widely used in household appliances, toys, electric power tools, car motors and other fields. With optimal design, high reliability heat treatment, precision manufacturing processes and high-grade grease, these products perform better on reliability, vibration and noise levels than standard products making them more suitable for electric motor applications. These products can also be applied to most gearbox applications as well.
  3. Thirdly, our bearing are ideal for electrical motor with good quality and excellent performance. Because of their high precision, high rotating speed, high reliability, low friction and low noise, they are widely used in areas of machine tools, measuring instruments, office machinery, household appliances, various types of electric motors, industrial automation control, etc.
MODEL S684
SIZE 4*9*4mm
Material Stainless steel
Precision Rating ABEC5
Radial Clearance Trade No. C3~C4
Lubrication no oil

. PACKING

Normally we packed as below 3 methods, also we can provide package as customer requirements:

1) Tube+outer carton+pallets
2) Single box+outer carton+pallets
3) Tube package+middle box+outer carton+pallets

684ZZ Stainless Steel Ball Bearing Size 4*9*4mm 420C Deep Groove Structure

Ⅵ. MODEL LIST FOR REFERENCE

Type shape dimension
Bore Diameter Outer Diameter (D) Flange outer Diameter width for open bearing flanged Width for open bearing width for shield bearing flanged Width for open bearing Radius
OPEN ZZ RS d D Df/Df1 B Bf B1 Bf1 mm
682 682zz 682-2RS 2 5 6.1 1.5 0.2 2.3 0.6 0.08
MR52 MR52zz MR52-2RS 5 6.2 2 0.6 2.5 0.6 0.1
692 692zz 692-2RS 6 7.5 2.3 0.6 3 0.8 0.15
MR62 MR62zz MR62-2RS 6 7.2 2.5 0.6 0.15
MR72 MR72zz MR72-2RS 7 8.2 2.5 0.6 3 0.6 0.15
602 602zz 602-2RS 7 8.5 2.8 0.7 3.5 0.9 0.15
682X 682Xzz 682X-2RS 2.5 6 7.1 1.8 0.5 2.6 0.8 0.08
692X 692Xzz 692X-2RS 7 8.5 2.5 0.7 3.5 0.9 0.15
MR82X 8 9.2 2.5 0.6 2.5 0.2
602X 602Xzz 602X-2RS 8 9.5 2.8 0.7 4 0.9 0.15
MR63 MR63zz MR63-2RS 3 6 7.2 2 0.6 2.5 0.6 0.1
683 683zz 683-2RS 7 8.1 2 0.5 3 0.8 0.1
MR83 MR83zz MR83-2RS 8 9.2 2.5 0.6 0.15
693 693zz 693-2RS 8 9.5 3 0.7 4 0.9 0.15
MR93 MR93zz MR93-2RS 9 10.2 2.5 0.6 4 0.8 0.2
603 603zz 603-2RS 9 10.5 3 0.7 5 1 0.15
623 623zz 623-2RS 10 11.5 4 1 4 1 0.15
MR74 MR74zz MR74-2RS 4 7 8.2 2 0.6 2.5 0.6 0.1
MR84 MR84zz MR84-2RS 8 9.2 2 0.6 3 0.6 0.15
684 684zz 684-2RS 9 10.3 2.5 0.6 4 1 0.1
MR104 MR104zz MR104-2RS 10 11.2 3 0.6 4 0.8 0.2
694 694zz 694-2RS 11 12.5 4 1 4 1 0.15
604 604zz 604-2RS 12 13.5 4 1 4 1 0.2
624 624zz 624-2RS 13 15 5 1 5 1 0.2
634 634zz 634-2RS 16 18 5 1 5 1 0.3
MR85 MR85zz MR85-2RS 5 8 9.2 2 0.6 2.5 0.6 0.1
MR95 MR95zz MR95-2RS 9 10.2 2.5 0.6 3 0.6 0.15
MR105 MR105zz MR105-2RS 10 11.2 3 0.6 4 0.8 0.15
MR115 MR115zz MR115-2RS 11 12.6 - 0.15
685 685zz 685-2RS 11 12.5 3 0.8 5 1 0.15
695 695zz 695-2RS 13 15 4 1 4 1 0.2
605 605zz 605-2RS 14 16 5 1 5 1 0.2
625 625zz 625-2RS 16 18 5 1 5 1 0.3
635 635zz 635-2RS 19 22 6 1.5 6 1.5 0.3
MR106 MR106zz MR106-2RS 6 10 11.2 2.5 0.6 3 0.6 0.15
MR126 MR126zz MR126-2RS 12 13.2 3 0.6 4 0.8 0.2
686 686zz 686-2RS 13 15 3.5 1 5 1.1 0.15
696 696zz 696-2RS 15 17 5 1.2 5 1.2 0.2
606 606zz 606-2RS 17 19 6 1.2 6 1.2 0.3
626 626zz 626-2RS 19 22 6 1.5 6 1.5 0.3
MR117 MR117zz MR117-2RS 7 11 12.2 2.5 0.6 3 0.6 0.15
MR137 MR137zz MR137-2RS 13 14.2 3 0.6 4 0.8 0.2
687 687zz 687-2RS 14 16 3.5 1 5 1.1 0.15
697 697zz 697-2RS 17 19 5 1.2 5 1.2 0.3
607 607zz 607-2RS 19 22 6 1.5 6 1.5 0.3
627 627zz 627-2RS 22 25 7 1.5 7 1.5 0.3
MR128 MR128zz MR128-2RS 8 12 13.2 2.5 0.6 3.5 0.8 0.15
MR148 MR148zz MR148-2RS 14 15.6 3.5 0.8 4 0.8 0.2
688 688zz 688-2RS 16 18 4 1 5 1.1 0.2
698 698zz 698-2RS 19 22 6 1.5 6 1.5 0.3
608z 608z 608z 22 25 7 1.5 7 1.5 0.3
679 679zz 679-2RS 14 3 0.3
689 689zz 689-2RS 9 17 19 4 1 5 1.1 0.2
699 699zz 699-2RS 20 23 6 1.5 6 1.5 0.3
609 609zz 609-2RS 24 27 7 1.5 7 1.5 0.3
6700 6700zz 6700-2RS 15 16.5 3 0.8 4 0.3 0.15
6800 6800zz 6800-2RS 19 21 1 5 0.3
63800 63800zz 63800-2RS 19 21 1.5 7 0.3
6900 6900zz 6900-2RS 22 25 1.5 6 0.3

Shenzhen Daiwa Bearing Co.,ltd only focus on high precision deep groove ball bearing production and design with our own advanced machines.

We are professional mininature bearing manufacturer, the company headquartered in Shenzhen and production research and developmentbase is located in Shanghai. Our product are wildly used in variety kinds of micro motors, cooling fans, instruments, printers, home appliances, medical equipments etc. Quality oriented, customer first has been the operating service purpose these years. We are sincerely looking forward to the successful cooperation with you.

684ZZ Stainless Steel Ball Bearing Size 4*9*4mm 420C Deep Groove Structure

If you have other questions, please feel free to contact us as below.

Sharon Liu
Sales Manager
M:+86-134-2899-9927
Facebook & Skype:
+86-134-2899-9927
+86-138-2357-3563
Wechat: sharon_lxr
Mail:szdhll@szdhzc.com
szdhll@dawbearing.com
Shenzhen Daiwa Bearing company Limited
Web: www.dawbearing.com
www.dgbearing.com


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