CuZn25AL6Fe3Mn3 Oil Groove Brass Bushing JDB-1U For CNC Brass Machining Parts

Place of Origin China
Brand Name CCVK
Certification ISO9001
Model Number JDB-1U
Price negotiable
Packaging Details Export carton; Wooden case ; Wood pallet.
Delivery Time 2~4 Weeks
Supply Ability 1000000 Piece/Pieces per Month Bearing Bush
Product Details
Base Material CuZn25AL6Fe3Mn3 Dynamic Load Limit 100N/mm2
Hardness HB210~270 Friction Coef.μ <0.16
Speed Limit(oil) 1.5m/s Temperature Max 170℃
High Light

self lubricating plain bearing


self lubricating bronze bushings

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Product Description

CNC brass machining parts Oil Groove Brass Bushing


JDB-1U oil groove brass bushing. Based on high strength brass, lubricating by oil added in the groove, which has the same performance with tin bronze bushing but with much higher hardness, the life time for low speed application is 2 times of tin bronze bushing. It can be used in heavy load condition.


It mainly used in the joint of grab which with high load, and in the huge gear box.


Base material: CuZn25AL6Fe3Mn3

Dynamic load limit: 100N/mm2

Hardness: HB210~270

Friction Coef.μ:<0.16

Speed limit(oil): 1.5m/s

Temperature max: 170℃


Material type ZCuZn25AI6Fe3Mn4 ZCuSn5Pb5Zn5
ZCuZn25AI6Fe3Mn4 ZCuPb10Sn10
Chemical elements Cu 65 85 85 89 65 80
Sn   5 6 10   10
Pb   5 3 1   10
Zn 25 5 6   25  
AI 6     6    
Mn 4     4    
Yield point >350 >90 >150 >170 >450 >140
Tensile Strength >750 >250 >270 >310 >800 >220
Extension Rate >12 >15 >15 >16 >450 >16
Hardness 210 70 95 88 250 68

About Us



Jiashan Gangping Machinery Co., Ltd. is located in the front line at Yangtze River Delta Economic Circle. This company is almost zero-distance to Shanghai and it’s only 90 km away from both Hangzhou and Suzhou. With such a strategic location, the transportation around the company is very convenient.

As a manufacturing base for sliding bearing industry, our factory’s key focuses are the excellent product quality, optimized manufacturing costs and good after-sales service. Our factory has also been committed to the application and promotion of innovated products, new materials and high-tech researches. We are continuously enhancing the level and image of the enterprise. By the fully integration of the group’s advantages, we are able to provide high-quality, low-cost, and good services to meet the needs of foreign customers.

The product portfolio of our factory covers five categories, 20 series and thousands of specifications. The production processes are well controlled and precise quantified for every details. The production is also strictly implemented under the ISO9001 quality assurance system.





1.Can you give me discount?

Yes,of course.We will quote you lowest price at the beginning.


2.Will you send me free samples?

Yes.We can make some samples to you, please contact us for details.


3.How to get an accurate quotation?

A: If you are interested in our products, please provide us with below information:


♦ Drawings, photos or samples of products.


♦ Detailed sizes of products.


♦ Material of products.


♦ Surface treatment of products.


♦ Ordinary purchasing quantity.



4. What about the delivery time?

Normally the delivery time is about 20 Days, according to the quantity.