行业组件数据 · 2026

枢轴销/轴承

Pivot pin/bearing enables rotational movement in blade assemblies with precise alignment and load distribution.

技术定义与适配语境
典型 枢轴销/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。

A pivot pin/bearing is a critical mechanical component in blade assemblies that facilitates controlled rotational motion around a fixed axis. It consists of a cylindrical pin that rotates within a bearing housing, providing low-friction movement while maintaining structural integrity under operational loads. This component ensures precise angular positioning, reduces wear through proper lubrication interfaces, and transfers mechanical forces from the blade to the machine frame.

组件规格

定义
A pivot pin/bearing is a critical mechanical component in blade assemblies that facilitates controlled rotational motion around a fixed axis. It consists of a cylindrical pin that rotates within a bearing housing, providing low-friction movement while maintaining structural integrity under operational loads. This component ensures precise angular positioning, reduces wear through proper lubrication interfaces, and transfers mechanical forces from the blade to the machine frame.
工作原理
The pivot pin rotates within its bearing housing to allow angular displacement of attached blades. Friction reduction is achieved through bearing surfaces (plain, roller, or ball bearings), while the pin's geometry maintains alignment and distributes radial/axial loads. Lubrication systems minimize wear, and tolerance controls ensure smooth operation without excessive play.
材料
Pins: Case-hardened steel (AISI 4140/4340)stainless steel (316/440C)or titanium alloys. Bearings: Bronze bushingspolymer composites (PTFE/PEEK)or ceramic-coated steel. Lubrication: Grease (NLGI Grade 2) or oil systems.
Pin Diameter
10-50 mm
Load Capacity
5-50 kN
Rotational Speed
Up to 500 RPM
Surface Hardness
58-62 HRC
Bearing Clearance
0.02-0.05 mm
Temperature Range
-40°C to 150°C
标准
ISO 286DIN 7190

行业分类与别名

枢轴销/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

Insufficient lubrication->Increased friction and overheating->Implement automated lubrication systems with pressure sensors
Material fatigue->Pin fracture under cyclic loading->Use fatigue-resistant alloys and conduct regular ultrasonic testing

工业生态与工程逻辑

可替换件
0
Wear-induced misalignment
1
Lubrication failure
2
Corrosion in humid environments
3
Overload causing deformation

合规与检测

tolerance
ISO IT7 grade for pins, IT8 for bearings
test method
DIN 51524 for lubrication, ISO 15242 for rotational accuracy

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

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 maintenance is required for pivot pins/bearings?

Regular lubrication every 500 operating hours, inspection for wear every 6 months, and replacement when clearance exceeds 0.1 mm.

How do I select the right pivot bearing material?

Choose based on load (steel for high loads), corrosion resistance (stainless steel), or temperature (polymers for extreme conditions).

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CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

CNFX Industrial Component Index · 机械和设备制造

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URN:CNFX:ME:UNIT:PIVOT_PIN_BEARING