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The SN-H steel bushing features various types of oil grooves on its inner surface, enhancing surface hardness and wear resistance after heat treatment. This makes it ideal for heavy-duty joint components in construction machinery including excavators, rotary drilling rigs, large loaders, and wall grab systems.
Our steel bushing bearings utilize premium materials including 45#, 40Cr, 20CrMo, and GCr15. Every manufacturing process from raw materials to finished products undergoes strict quality control to ensure exceptional product performance. The result is bushings with superior wear resistance, high surface hardness, and excellent internal toughness.
Main Products
Company Profile
Jinan Sennai Intelligent Technology Co., Ltd. is an integrated industrial and trade enterprise specializing in 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 renowned construction machinery and equipment manufacturers worldwide. We offer OEM/ODM services for nearly 100 trading companies annually.
Our 33,000 square meter facility houses over 260 sets of advanced production equipment including finishing rolling pipe production lines, forging production lines, CNC automatic processing production lines, complete 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?
Samples are typically completed within 1-2 days for automatic machining parts or 3-5 days for CNC machining parts. Sample cost depends on specifications including size, material, and finish. We refund sample costs for substantial order quantities.
2. How is the warranty of the products quality control?
We implement rigorous quality control throughout the entire manufacturing process, aiming for 100% error-free products.
3. How to get an accurate quotation?
Please provide drawings, photos, or samples of products with detailed dimensions, material specifications, surface treatment requirements, and estimated purchase quantity.
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...
