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Wear Resistant High Durability Spiral Oil Channel Hydraulic System Bearing Bushing
Performance Specifications
Performance Index
Data
Hardness
HRC 58-62
Max Load
250 N/mm²
Max Linear Velocity
0.1 m/s
Max PV Value
1.5 N/mm².m/s
Working Temperature Limit
-100 to +350 ºC
Linear Expansion Coefficient
1.1 × 10⁻⁵/ºC
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 high-quality materials including 45#, 40Cr, 20CrMo, GCr15 and others. From raw materials to finished products, each manufacturing process is strictly controlled to ensure superior product quality. This results in bushings with high wear resistance, exceptional surface hardness and strong internal toughness.
Main Products
Company Profile
Jinan Sennai Intelligent Technology Co., Ltd. is an integrated industrial and trade enterprise specializing in the professional production of self-lubricating bearings and construction machinery pins and bushings. With 20 years of industry experience and global sales channels, we provide comprehensive support services for many 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 and 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?
Normally samples will be completed within 1-2 days (automatic machining parts) or 3-5 days (CNC machining parts). The sample cost depends on all specifications including size, material, finish, etc. We will refund the sample cost if your order quantity meets our requirements.
2. How is the warranty of the products quality control?
We maintain strict quality control from beginning to end and aim for 100% error-free production.
3. How to get an accurate quotation?
Please provide drawings, photos or samples of products, detailed sizes, material specifications, surface treatment requirements, and ordinary purchasing quantity for an accurate quotation.
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...
