604ZZMain product
604ZZ Miniature Deep Groove Ball Bearing
4 × 12 × 4 mm
- Material
- Bearing steel
- Precision
- P5
- Grease limit
- 48,000 rpm
Precision miniature bearings for OEMs & global distributors
Precision Miniature Bearings Engineered for OEM Applications
High-speed, low-noise miniature ball bearings for motors, appliances, medical equipment and industrial applications. Standard and custom solutions available.
- Bearing steel & stainless steel
- ZZ / RS by series
- Standard & non-standard
FEATURED SIZE8 × 16 × 5 mm688ZZ · DOUBLE SHIELD
DSZC / 688
60M+Annual production capacity
1–15 mmMiniature bearing bore range
P0 / P5 / P6Catalog precision grades
OEMDrawing & sample development
Main products
33 models. Model-specific performance.
Explore our main miniature, stainless steel and flanged bearings with dimensions, precision grades and grease speed limits.
View the complete range
623ZZMain product
623ZZ Miniature Deep Groove Ball Bearing
3 × 10 × 4 mm
- Material
- Bearing steel / Stainless steel
- Precision
- P5
- Grease limit
- 50,000 rpm
688ZZMain product
688ZZ Miniature Deep Groove Ball Bearing
8 × 16 × 5 mm
- Material
- Bearing steel
- Precision
- P5
- Grease limit
- 36,000 rpm
S695ZZMain product
S695ZZ Stainless Steel Miniature Ball Bearing
5 × 13 × 4 mm
- Material
- Stainless steel
- Precision
- P5
- Grease limit
- 43,000 rpm
SMR106ZZMain product
SMR106ZZ Stainless Steel Miniature Ball Bearing
6 × 10 × 3 mm
- Material
- Stainless steel
- Precision
- P6
- Grease limit
- 45,000 rpm
MF84ZZMain product
MF84ZZ Flanged Miniature Ball Bearing
4 × 8 × 3 mm
- Material
- Bearing steel
- Precision
- P6
- Grease limit
- 56,000 rpm
- Flange OD
- 9.2 mm
Product platform
Built around miniature bearing performance.
Structured bearing families for engineering selection, OEM development and distributor sourcing.
01
Miniature & Extra-Small Ball Bearings
Our complete current catalog of compact bearings for high-speed, low-noise assemblies.
View series 02Large Thin-Section Bearings
Large-diameter, thin-profile bearing solutions reviewed against the customer drawing.
View series 03Flanged Bearings
Integrated flange geometry for controlled axial location in compact housings.
View series 04Stainless Steel Bearings
Corrosion-resistant material options for demanding operating environments.
View series 05Inch-Series Bearings
Imperial-dimension bearings for OEM drawings, legacy assemblies and replacement programs.
View series 06Custom & Non-Standard Bearings
Drawing- and sample-based engineering for dimensions or performance outside standard series.
View series 07Double-Row Bearings
Compact double-row bearings with shielded and sealed configurations for higher-width assemblies.
View seriesWhy Dongsheng
Engineering decisions backed by manufacturing control.
From material selection through final testing, each requirement is translated into a controlled bearing configuration.
Miniature Bearing Specialization
Focused on 1–15 mm bore miniature bearings for compact, high-speed mechanisms.
Precision & Low Noise
Precision, noise, clearance and lubrication options reviewed around the finished assembly.
Custom Engineering
Drawing- and sample-based development for dimensions and performance outside standard series.
Quality Control
Inspection points cover materials, machining, assembly, noise, dimensions and final release.
Scalable Manufacturing
Approximately 60 million pieces of annual production capacity for OEM and distribution programs.
Global B2B Supply
Export-oriented support for international OEM customers, distributors and industrial buyers.
Application engineering
Selected for the machine, not only the size.
Speed, noise, fit, load, lubrication and environment all shape the final bearing specification.
01Micro Motor Bearings
Miniature bearings engineered for high speed, low vibration and quiet motor operation.
02Electric Motor BearingsLow-noise bearing options for fans, drives and compact electric motor assemblies.
03Appliance BearingsReliable miniature bearings for household motors, fans and rotating mechanisms.
04Medical Equipment BearingsPrecision miniature bearings for instruments and compact medical mechanisms.
05Power Tool BearingsHigh-speed bearing solutions for compact tools and demanding rotating assemblies.
06Sewing Machine BearingsLow-vibration miniature bearings for textile and sewing mechanisms.
07Fishing Equipment BearingsSmooth miniature bearings for reels and compact outdoor mechanisms.
08InstrumentsPrecision bearings for measurement devices and compact industrial instruments.
Custom bearing development
Need a Bearing That Standard Sizes Cannot Solve?
Send a drawing or sample. Our engineering review can cover dimensions, material, sealing, precision, noise, clearance and lubrication before prototype development.
Manufacturing & quality
A controlled path from material to packaged bearing.
- 01Raw Material
- 02Machining / Grinding
- 03Assembly
- 04Lubrication
- 05Noise / Precision Testing
- 06Final Inspection
- 07Packaging
Ningbo manufacturing
Specialized production for repeatable miniature bearing quality.
Production planning supports standard models, distributor programs and drawing-based OEM projects. Inspection requirements are confirmed with the buyer before mass production.
About the factoryStart an RFQ
Send the specification you have.
Model number, dimensions, annual volume and application details help us prepare the right engineering response.
- 490684455l@gmail.com
- +86 152 6785 9664