+8618753115023
Your Leading BER Precision Bearing Supplier

 

SUN AUTOMATION GROUP LIMITED was founded in 1986 and had been focusing on exporting high bearing ever since. We have a stock warehouse and provide a variety of stock bearings. For special and rare ones, we can distribute the goods to the agents in the country of origin of each brand, and the MOQ is as low as 1 set. Our wide variety of BER precision bearings are subject to severe thermal loads during rapid acceleration or deceleration. We work with professional bearing manufacturers and have invested over 300 million in upgrading product formulas.

 

 
 
Why Choose Us?
 
 
 

Rich Experience

SUN AUTOMATION GROUP LIMITED specializes in delivering professional bearing solutions, leveraging nearly 40 years of experience in bearing support and industrial services to serve its customers effectively.

 
 

Production Capacity

Our warehouse has one of the largest inventories. We have an annual output of 5 million sets of bearings. We guarantee direct shipments, timely delivery, and a single source of supply.

 
 

Production Market

Our products have been exported to North America, Europe, the Middle East, Brazil, South Africa, and Mexico and were well acknowledged by clients worldwide.

 
 

Professional Service

We have a 7*24 hours professional sales consultant team that can respond to your needs as quickly as possible and provide the fastest transportation method to bring you a high-quality and low-cost purchasing experience.

 

 

25BER19S Bearing

 

Types of BER Precision Bearing

Hong Kong BER Bearing
Hong Kong BER bearing is exposed to severe thermal loading conditions during rapid acceleration or deceleration. These conditions are caused by drastic changes in the surrounding environment caused by heat generated by the motor, cooling of the enclosure, and other factors.

 

25BER19S Bearing
25BER19S Super High Speed Angular Contact Ball Bearings can withstand axial and radial loads while ensuring smooth, precise rotation at very high speeds. The bearings have a contact angle of 25 degrees and can withstand high axial loads.

 

Ultra Precision Bearing
With high running accuracy, high-speed performance, and high system rigidity, Ultra precision bearing is ideal for machine tools and other precision applications such as rolling mills, racing cars, and marine vessels. The bearings also minimize noise, vibration, and heat generation.

 

 

Specifications of BER Precision Bearing

 

 

D

25mm

A

31mm

D

42mm

Da min

27.5mm

B

9mm

Da max

39.5mm

C

9mm

Ra max

0.3mm

Angle(α)

25°

Weight

0.042kgs

A

12.3mm

Basic dynamic load rating (C)

5.7kN

B

0.5mm

Basic static load rating (C0)

3.4kN

R min

0.3mm

(Grease) Lubrication Speed

35900 r/min

R 1 min

0.15mm

(Oil) Lubrication Speed

58000 r/min

 

Application Industries of BER Precision Bearing
 

Aerospace
In aerospace applications, precision bearings are used in important parts like turbines, gearboxes, and landing gear systems.
They can handle both axial and radial loads with high accuracy. This is important for precise control and stability of aircraft during flight. Aerospace bearings are often made from special materials like ceramic or stainless steel. These materials provide durability, resist corrosion, and can handle high temperatures.
In high-speed aircraft turbines, precision bearings are crucial. They allow the turbine blades to spin smoothly at high speeds while handling the heat generation and heavy loads of flight. These bearings reduce friction, improve fuel efficiency, and help the engine last longer. This makes them vital for the safety and performance of the aircraft.

 

Medical Equipment
Precision bearings are crucial in surgical tools and MRI machines because they provide smooth and reliable movement. In surgical tools, these bearings enable accurate and controlled movements. This is important for minimally invasive procedures that require super precision.
In robotic surgical devices, precision bearings are crucial for improving accuracy and control during operations. For instance, in the da Vinci Surgical System, these bearings are built into the robotic arms. The arms hold and move surgical instruments for minimally invasive surgeries.

 

Automotive and Motor sports

In racing car engines, precision bearings reduce friction between moving parts. This allows the engine to operate more smoothly and efficiently.This not only increases power output but also helps prevent overheating.

Preventing overheating is vital during high-speed racing conditions. Similarly, in transmissions, precision bearings help support smooth gear changes. They also reduce wear, ensuring that the vehicle performs optimally.

 

Semiconductor Manufacturing
In the semiconductor industry, precision bearings are essential for high-precision tasks. They are involved in the manufacturing of microchips and electronic components. They are used in wafer handling systems to enable smooth and accurate movement of delicate silicon wafers. This helps prevent damage during various processes.

 

 

Precautions for Using BER Precision Bearing

》Use the correct lubricant. There are grease and oil lubricants. Grease is most often used to lubricate bearings. However, some oil lubricants are best suited for high-temperature and high-speed applications. Your bearing manufacturer should provide you with a recommended lubricant and basic lubrication guidelines.

 

》Make sure you mount it correctly. Follow the manufacturer's installation/mounting guidelines. Mounting procedures are typically broken down into hot, hydraulic, or mechanical.

 

》Don't skip inspections. Most manufacturers will specify how often you should perform inspections. If none are available, create a maintenance program for your facility. For each inspection, look for signs of excessive wear and tear and other noticeable issues such as fractures, dirt, or corrosion.

BER Ball Bearing

 

Storage Requirements for BER Precision Bearing

 

 

Ball bearings are precision parts that can easily be contaminated or damaged if not cared for correctly. Always wear gloves when handling bearings to prevent corrosion from skin oils or sweat.

 

Store unused bearings horizontally in their original packaging in a clean, dry area at room temperature. This prevents moisture, dust, and dirt from entering the bearings prior to installation. Dropping or mishandling bearings can cause unseen damage that might not manifest until a later date.

 

Payment Terms

 

 

T.T with 30% downpayment, 70%before shipment.

Paypal or West Union also accept.

 

 

Packaging and Shipping

 

 

Packaging:

Wrapped by proctective film;

Packed by standard import & export wooden cases or palletization.

Shipping:

By express, air, sea, railway.

 

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FAQ

 

Q: What are precision bearings used for?

A: These bearings are often used in metal cutting and woodworking machinery spindles, vacuum pumps, precision ball screws, printing machinery, medical devices, aerospace, high speed rolling mills, and high speed turbochargers.

Q: What is the proper way to store a new unused bearing?

A: Store unused bearings horizontally in their original packaging in a clean, dry area at room temperature. This prevents moisture, dust, and dirt from entering the bearings prior to installation. Dropping or mishandling bearings can cause unseen damage that might not manifest until a later date.

Q: What tool should be used to remove precision bearings or gears?

A: The most common types of tools for removing bearings are two- and three-arm bearing pullers, or external pullers. They range from one- to forty-ton capacity and feature two or three jaws that are slim and tapered, allowing the ends to get easily behind the bearing to its race.

Q: How to tell if a bearing is bad?

A: For small, non-separable ball bearings, hold the bearing horizontally in one hand, and then rotate the outer ring to confirm that it turns smoothly. Separable bearings such as tapered roller bearings May be checked by individually examining their rolling elements and the outer ring raceway.

Q: How do you maintain your bearings?

A: Bearing maintenance involves regular inspection for wear or damage, proper cleaning with suitable solvents, correct and appropriate lubrication with the right type and amount of grease or oil, and meticulous handling to prevent contamination.

We're well-known as one of the leading ber precision bearing manufacturers and suppliers in China. If you're going to buy high quality ber precision bearing with competitive price, welcome to get more information from our factory.

25BER19H Bearing, 25BER19S, BER Ball Bearing

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