Home
Bearing Library
About Us
Contact
Connection
Subscribe
Search
Language
English
German
Spanish
Russian
Italian
Arabic
Persian
Turkish
Vietnamese
French
Portuguese
Japanese
Korean
Back
Home
Product
Bearing Library
About Us
Sales Center
Factory Info
Factory Info
Production Equipment
Testing & Inspection Instrument
Quality Certificates
MTWB Core Expertises
Customized Bearings
Use of Materials
Use of Lubricants
Rolling Elements
Retainer
Maintenance Free Solution
Digitalized QC and Grease Filling for Quantity Order
Vibration
Auto. Application
Aviation Application
Medical Application
Metallurgy Application
MTWB Technical Case Reference
Agriculture Bearing
Truck Separation Bearing
Solid Lubrication Bearing
Miniature to Small DGBB
Power Hand Tool Bearing
High Temperature Bearing
EV Bearing
Medium Sized DGBB
Decoder Bearing
News/Blog
MTWB Blog
Engineering Guide
Industry News
MTWB activities
MTWB Q&A
Contact
Connection
Subscribe
Home
>
MTWB Customized Bearing
>
Miniatures & Small Metric Sizes
>
Metric Sizes Open
>
684
Product Catalog
Standard Bearing Specification
60 Series
6000 Series
6200 Series
6300 Series
6400 Series
7000C Series
7000AC Series
7200C Series
7200AC Series
7300C Series
7300AC Series
16000 Series
30000 Series
31300 Series
32000 Series
33000 Series
62000 Series
63000 Series
More Filters
Advanced Search
Search by part number
Product Type
Select Product Type
MTWB Customized Bearings & Services
Typical International OE Sizes
Special Dimension Bearing (DGBB, CRB, TRB, ACBB)
Miniatures & Small Inch Sizes
Miniatures & Small Metric Sizes
SFH Miniature Bearings
Search By Size
Exact Search
d:
D:
B:
Range Search
≤
d
≤
≤
D
≤
≤
B
≤
Search
684-Metric Sizes Open
Request Quote >
Share:
Hot tags:MTWB Bearing 684-Metric Sizes Open a specialized manufacturer of tailor-made ball or roller bearings, Our engineers offer technical support all along, making MTWB an ideal OEM bearing partner for international OEM.
Dimension and Parameters
Part Number :
684
Seal Type :
Open
Ring Material :
GCr15
Bore Diameter (d) :
4 mm
Outer Diameter (D) :
9 mm
Width (B) :
2.5 mm
Dynamic Radial Load :
122.625 lbf
Static Radial Load :
40.95 lbf
Max. Speed （rpm) :
53000
Technical Case
MTWB Medium Sized DGBB deep groove ball bearing customization
Medium sized deep groove ball bearings are the most common type of bearings, they have following …
Jul 27,2026
Decoder Bearing
Baumer is the world famous industrial control products research and development, production group, company has …
Jul 24,2026
MTWB EV Bearing Case-BOSCH CVT for EV-6001 Bearing
The MTWB EV 6001 bearing is a customized deep groove ball solution developed for electric vehicle transmission …
Jul 23,2026
MTWB EV Bearing Case-Steering System QJ205 Bearing
MTWB QJ205 bearing is engineered for electric vehicle steering systems where high rigidity, low friction and …
Jul 22,2026
MTWB EV Bearing Case-Electric Drive System EMR4- 6006 and 6206 Bearing
Vitesco’s represents a highly integrated electric drivetrain platform designed for modern vehicle …
Jul 21,2026
MTWB EV Bearing Case-BOSCH EV-6001& 6907W15.5
With the rapid development of electric vehicles, drivetrain components require bearings with higher speed …
Jul 20,2026
MTWB High Temperature Bearing
MTWB provides customized high temperature bearing solutions designed for demanding industrial environments …
Jul 19,2026
Power Hand Tool Bearing 6203 W13 FvLy TN9 A3 C3 V2 L10-6 case for HUSQVARNA Wood Working Electric Tool
The is a premium deep groove ball bearing specially developed for high-speed electric power tools such as angle …
Jul 18,2026
Related Articles
When Do You Need a Custom Bearing?
Your design is nearly complete. The load calculations check out, the speed requirements are met, and a standard …
Aug 31,2026
Ultra Precision ACBB angular contact ball bearing: Key Applications in CNC Machine and Spindle
In modern CNC machining, spindle performance has a direct impact on machining accuracy, surface finish, production …
Aug 26,2026
Automotive Bearings: Key Applications in EV Drive, Steering and Auxiliary Systems
The automotive industry is undergoing a fundamental transformation. With the rapid shift toward electrification, …
Aug 24,2026
How does customized middle size deep groove ball bearing work?
Deep groove ball bearings are among the most widely used rolling in industrial machinery. Their simple …
Aug 18,2026
Guidelines for Determining Maximum Interference Limits for Rolling Bearing Fits on Shafts and in Housings
Excessive interference between a rolling bearing and its shaft or housing can cause cracks even fracture of the inner …
Aug 17,2026
Current Status of China and International Technologies for New Energy Vehicle Drive Motor Bearings
In recent years, the greenhouse effect has become increasingly severe, and public environmental awareness grown …
Aug 13,2026
Full Complement Bearing Overheating: Why Misuse in Continuous Rotation Triggers Failure
Your gearbox was designed for high radial loads and limited space, making full complement bearings the logical …
Aug 11,2026
2026 Automotive Bearings Market Trends: EV Innovation and Industry Transformation
The global automotive bearings industry is undergoing a profound transformation driven by the rapid …
Aug 10,2026
Please contact us if you have any enquiries.
Product:
Contacts :
Country :
Phone number :
Company name :
E-mail :
Remark :
Verification:
