行业组件数据 · 2026

枢轴衬套/轴承

Pivot bushings and bearings are precision components that enable smooth rotational movement in hydraulic arm joints while supporting radial and axial loads.

技术定义与适配语境
典型 枢轴衬套/轴承 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

Pivot bushings and bearings are critical mechanical elements in hydraulic arms that facilitate controlled rotational motion at pivot points. They consist of inner and outer rings with rolling elements (balls or rollers) or sliding surfaces, designed to minimize friction, distribute loads evenly, and maintain alignment under dynamic operating conditions. These components ensure precise movement, reduce wear on adjacent parts, and enhance the overall efficiency and longevity of hydraulic systems.

组件规格

定义
Pivot bushings and bearings are critical mechanical elements in hydraulic arms that facilitate controlled rotational motion at pivot points. They consist of inner and outer rings with rolling elements (balls or rollers) or sliding surfaces, designed to minimize friction, distribute loads evenly, and maintain alignment under dynamic operating conditions. These components ensure precise movement, reduce wear on adjacent parts, and enhance the overall efficiency and longevity of hydraulic systems.
工作原理
Pivot bushings operate on a sliding friction principle, where a lubricated sleeve allows rotational movement between two surfaces. Bearings use rolling elements (such as balls or rollers) to reduce friction by converting sliding motion into rolling motion. Both types support loads while permitting rotation, with bearings typically offering lower friction and higher precision for demanding applications.
材料
Common materials include hardened steel (e.g.AISI 52100)bronze alloys (e.g.C93200)stainless steel (e.g.440C)and polymer composites (e.g.PTFE or PEEK). Materials are selected based on load capacitycorrosion resistancelubrication requirementsand environmental conditions.
Sealing
Integrated seals for contamination protection
Lubrication
Grease or oil-filled
Speed Rating
Up to 500 rpm
Load Capacity
Up to 50 kN radial, 25 kN axial
Precision Grade
ABEC 1 or ISO P0
Operating Temperature
-40°C to 120°C
标准
ISO 15DIN 625-1

行业分类与别名

枢轴衬套/轴承 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Inadequate lubrication->Increased friction, overheating, and seizure->Implement regular lubrication schedules and use sealed designs
Excessive load or shock->Cracking or deformation of components->Design with safety factors and use load-rated parts

工业生态与工程逻辑

可替换件
0
Wear and tear from friction
1
Contamination leading to seizing
2
Misalignment causing premature failure
3
Overloading beyond rated capacity

合规与检测

tolerance
±0.05 mm for bore diameter, per ISO 286
test method
Load testing per ISO 76, durability testing under simulated operational conditions

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制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the difference between pivot bushings and bearings in hydraulic arms?

Pivot bushings use sliding surfaces with lubrication for rotation, suitable for lower-speed applications, while bearings employ rolling elements (like balls) for reduced friction and higher precision, ideal for high-load or high-speed scenarios.

How often should pivot bushings or bearings be maintained?

Maintenance intervals depend on usage and environment; typically, inspect every 500-1000 operating hours, with lubrication replenishment or replacement as needed to prevent wear and failure.

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CNFX Industrial Component Index · 机械和设备制造

数据基础

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初步技术归类
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URN:CNFX:ME:UNIT:PIVOT_BUSHINGS_BEARINGS