Micro Bearing

Your Professional Micro Bearing Supplier!

 

Zhejiang Zhongji Changsheng E-commerce Co., Ltd. was established in 2020 and mainly operates a bearing trading platform. The company now covers a full range of bearing and pneumatic component products, with a total of 1.5 million SKUs and a year-round spot inventory value of approximately RMB 20 billion. In 2023, the company's self operated automotive parts business was fully launched, mainly for chassis components such as automotive bearings, ball heads, swing arms, and stabilizer bars, and simultaneously launched a series of pneumatic component products.

 
  • NMB Micro Bearing
    NMB Microbearing is a line of miniature ball bearings manufactured by MinebeaMitsumi Inc., a Japanese company that specializes in precision components.
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  • NSK Micro Bearing
    NSK micro bearings are miniature ball bearings designed to meet the increased demand for miniaturization in various industries.
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  • EZO Micro Bearing
    EZO micro bearings are a type of miniature ball bearing that is designed for applications where space or weight limitations are a concern.
    read more
  • ZJBR Micro Bearing
    ZJBR micro bearings are a type of miniature ball bearing that are designed for use in applications that require small and precise movements.
    read more
  • SKF Micro Bearing
    SKF Micro bearing is a miniature-sized bearing designed to operate at high speeds and handle light radial and axial loads.
    read more
  • FAG Micro Bearing
    FAG micro bearings come in a variety of designs and sizes to accommodate different applications.
    read more
  • NTN Micro Bearing
    NTN micro bearings are miniature ball bearings with a diameter of less than 10 mm and a bore diameter of less than 1 mm.
    read more
  • IJK Micro Bearing
    IJK microbearing is a brand of miniature and precision ball bearings produced by IJK Corporation.
    read more
 
Why Choose Us

Wide Range of Brands Covered

NSK, SKF, NTN, FAG, INA, KOYO, EZO, NMB, IKO, THK, TIMKNE, NACHI, MCGILL, ELGES, FYH, ASAHI, IJK, EAST, ROLLWAY, SAMICK, HRB, ZWZ, LYC, TR, BUT, ZHBR, YFA, HZY, QCS, and other well-known domestic and foreign brands. The bearing models of major brands are complete, and customers can purchase them in a one-stop manner.

Sufficient supply

The company now covers a full range of bearing and pneumatic components products, with a total of 1.5 million SKUs and a year-round spot inventory value of approximately RMB 20 billion.

 

High-quality service

We promise to provide genuine guarantee, stable supply, and a complete logistics system to ensure efficient procurement for customers.

Wide range of applications

The products are widely used in many industries such as engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, electricity and railways.

 

ZJBR Micro Bearing

 

Our Best-Selling Micro Bearing

ZJBR Micro Bearing
ZJBR micro bearings are a type of miniature ball bearing that are designed for use in applications that require small and precise movements.
 

SKF Micro Bearing
SKF Micro bearing is a miniature-sized bearing designed to operate at high speeds and handle light radial and axial loads.
 

FAG Micro Bearing
FAG micro bearings come in a variety of designs and sizes to accommodate different applications.

 

Micro Bearing Specification

 

EC
Grade

O.D. SIZE

Radial
Runout

Mean Diam.
Tolerance

Inner
Ring

Outer
Ring

Bore

O.D.

1P

0 - 18mm

.00040

.00060

+.0000

+.0000

(0 - .7086 in.)

—

—

–.0003

–.0003

Over 18 - 30mm

.00040

.00060

+.0000

+.0000

(Over .7086 - 1.1811 in.)

—

—

–.0004

–.0004

3P

0 - 30mm

.00020

.00040

+.0000

+.0000

(0 - 1.1811 in.)

—

—

–.0002

–.0003

5P

0 - 30mm

.00015

.00020

+.0000

+.0000

(0 - 1.1811 in.)

—

—

–.0002

–.0002

7P

0 - 30mm

.00010

.00015

+.0000

+.0000

(0 - 1.1811 in.)

—

—

–.0002

–.0002

9P

0 - 18mm

.00005

.00005

+.0000

+.0000

(0 - .7086 in.)

—

—

–.0001

–.0001

Over 18 - 30mm

.00010

.00010

+.0000

+.0000

(Over .7086 - 1.1811 in.)

—

—

–.0001

–.00015

 

Unique Characteristics of Micro Bearings

 

Small size

A micro bearing typically has an outer diameter of 1–30 mm, making its compact size crucial for applications in small devices.

01

High precision

These bearings are manufactured to tight tolerances, often within micrometers, ensuring smooth operation and minimal friction.

02

Low friction

The design and materials used in a micro bearing reduce friction, which enhances efficiency and longevity.

03

High-speed capability

A micro bearing can operate at high rotational speeds without significant heat generation or wear, which is essential for many high-performance applications.

04

Sealed or shielded options

Micro bearings can be sealed or shielded to protect against contamination, which extends their lifespan in harsh environments.

05

 

 

The Role of Micro Bearing

Support and guidance: Micro bearings can support rotating or linear motion shafts or bearing parts to ensure that they remain stable during operation.


Transmit load: Micro bearings can withstand and transmit loads from rotation or linear motion, ensuring the normal operation of mechanical systems.


Reduce friction: Micro bearings can reduce friction between the shaft and the bearing through the rolling motion of the rolling elements, thereby reducing energy loss and improving system efficiency.


Achieve precise position control: In systems that require precise positioning or control of motion trajectories, micro bearings can provide a stable and controllable motion platform.


Increase equipment life: Micro bearings can reduce wear and fatigue between components in the mechanical system and extend the service life of the equipment.

NSK Micro Bearing

 

 
Application of Micro Bearing
 
01/

Electronics
Micro bearing play a vital role in various electronic devices such as hard disk drives, printers, and more. They are used to support components like optical lenses, fans, and robotic arms, ensuring smooth operation of the equipment.

02/

Precision Instruments
Micro bearings are critical in precision instruments and experimental equipment. For example, they are applied in optical instruments, laser devices, , measurement instruments, etc., to achieve precise motion control and positioning requirements.

03/

Model Making
Micro bearings are commonly used in model making projects, including model airplanes, ships, trains, etc. They ensure smooth movement of model components, providing a more realistic and fluid operating experience.

04/

Mechanical Equipment
Micro bearings are widely used in various mechanical equipment, such as small power tools, automation equipment, and more. They ensure high-speed operation and stability of the equipment, enhancing production efficiency.

 

Ordering Process

 

 

Consultation and demand analysis

Product selection and confirmation

Order placement and order review

Shipping and logistics tracking

 

Packaging and Shipping

 

Packaging

Plastic bag, wooden box

Transportation methods

Road transport, rail transport, sea transport, air transport

 

FAQ

Q: What is the effect of micro bearing?

A: Micro ball bearings contribute to moving components' seamless and quiet operation, which enhances the user experience. Their compact design and energy efficiency help extend battery life in devices like smartphones, cameras, and computer fans, making them indispensable in modern gadgets.

Q: What are micro bearings?

A: Micro bearings are small bearings designed for applications with limited space and low load capacity. They are characterized by their tiny size, typically ranging from a few millimeters to about 30 millimeters in outer diameter. Despite their tiny size, these bearings provide outstanding performance and reliability.

Q: What are micro bearings used for?

A: Micro bearings are widely used in various mechanical equipment, such as small power tools, automation equipment, and more. They ensure high-speed operation and stability of the equipment, enhancing production efficiency.

Q: What size are micro bearings?

A: These precision-engineered bearings are smaller in size compared to standard ball bearings, with outer diameters ranging from 1mm to 30mm. They comprise an outer ring, inner ring, ball set, and cage, designed to deliver smooth, low-friction motion.

We're well-known as one of the leading micro bearing manufacturers and suppliers in China. Be free to wholesale high quality micro bearing in stock here and get quotation from our factory. Contact us for more details.

NTN Micro Bearing, EZO Micro Bearing, NSK Micro Bearing