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Heavy Duty Extra Strength Excavator Flange Bucket Bushing Construction Machinery
Product Specifications
Performance Index
Unit
Value
Hardness
HRC
58-62
Max Load
N/mm²
250
Max Linear Velocity
m/s
0.1
Max PV Value
N/mm².m/s
1.5
Working Temperature Limit
ºC
-100 to +350
Linear Expansion Coefficient
10⁻⁵/ºC
1.1
The inner surface of SN-H steel bushing is processed with various types of oil grooves, which improves the surface hardness and wear resistance after heat treatment. It is suitable for heavy-duty joint parts of construction machinery such as excavators, rotary drilling rigs, large loaders, wall grab and so on.
Our steel bushing bearings are manufactured using premium materials including 45#, 40Cr, 20CrMo, GCr15 and other high-quality alloys. From raw materials to finished products, each manufacturing process undergoes strict quality control to ensure superior product performance. This results in bushings with exceptional wear resistance, high surface hardness, and strong internal toughness.
Main Products
Company Profile
Jinan Sennai Intelligent Technology Co., Ltd. is an integrated enterprise specializing in the research, production, sales, and service of self-lubricating bearings and construction machinery pins and bushings. With over 20 years of industry experience and global sales channels, we provide comprehensive support services for numerous renowned construction machinery and equipment manufacturers worldwide. We offer OEM/ODM services for nearly 100 trading companies annually.
Our company operates from a 33,000 square meter facility equipped with more than 260 sets of advanced production equipment, including finishing rolling pipe production lines, forging production lines, CNC automatic processing production lines, full-process heat treatment equipment, high-precision grinding equipment, and comprehensive physical/chemical analysis and detection systems.
Exhibition
Packaging & Shipping
Frequently Asked Questions
1. How long can I get some samples for checking and what about the price?
Typically, samples are completed within 1-2 days for automatic machining parts or 3-5 days for CNC machining parts. Sample costs depend on specifications including size, material, finish, and other requirements. We refund sample costs when order quantities meet our minimum requirements.
2. How is the warranty of the products quality control?
We maintain stringent quality control throughout the entire manufacturing process, from raw materials to finished products, aiming for 100% error-free production and consistent product excellence.
3. How to get an accurate quotation?
For precise quotations, please provide: Technical drawings, photos or samples of products; Detailed dimensional specifications; Material requirements; Surface treatment specifications; Estimated order quantities.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Trading Company
Employee Number:
201~300
Ecer Certification：
Verified Supplier
Shandong Sennai Intelligent Technology Co., LTD established in 2006, is a bushing manufacturer provide supporting services for many well-known construction machinery and equipment manufacturers at home and abroad. Mainly produce steel bushings, composite bushings, bimetallic bushings, solid lubricat... Shandong Sennai Intelligent Technology Co., LTD established in 2006, is a bushing manufacturer provide supporting services for many well-known construction machinery and equipment manufacturers at home and abroad. Mainly produce steel bushings, composite bushings, bimetallic bushings, solid lubricat...
