行业组件数据 · 2026

衬套/轴承

Bushings and bearings are precision components that reduce friction and support rotational or linear motion in force transmission linkages.

技术定义与适配语境
典型 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。

Bushings and bearings are critical components in force transmission linkages that facilitate smooth motion by minimizing friction between moving parts. Bushings (also called plain bearings) provide a sliding surface, while bearings (typically rolling-element types like ball or roller bearings) use rolling elements to reduce friction. In industrial machinery, they ensure precise alignment, load distribution, and longevity of mechanical systems by handling radial, axial, or combined loads.

组件规格

定义
Bushings and bearings are critical components in force transmission linkages that facilitate smooth motion by minimizing friction between moving parts. Bushings (also called plain bearings) provide a sliding surface, while bearings (typically rolling-element types like ball or roller bearings) use rolling elements to reduce friction. In industrial machinery, they ensure precise alignment, load distribution, and longevity of mechanical systems by handling radial, axial, or combined loads.
工作原理
Bushings operate on the principle of sliding friction, where a lubricated surface allows relative motion between two parts. Bearings use rolling elements (balls, rollers) that roll between inner and outer races, converting sliding friction into rolling friction to significantly reduce energy loss and wear. Both components maintain clearance and alignment under load to transmit force efficiently.
材料
Common materials include bronze (for bushings)steel (for bearing races and balls)ceramic (for high-speed applications)and polymers like PTFE (for corrosion resistance). Lubrication materials may include greaseoilor dry lubricants.
Speed Rating
Up to 20,000 rpm for precision bearings
Load Capacity
Varies by type (e.g., 500 N to 50 kN)
Mounting Style
Press-fit, flange, or pillow block
Lubrication Type
Grease, oil, or self-lubricating
Temperature Range
-40°C to 150°C standard
标准
ISO 15ISO 355DIN 620DIN 625

行业分类与别名

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 and overheating->Implement regular lubrication schedules and use appropriate lubricants.
Misalignment during installation->Uneven load distribution and premature wear->Use precision alignment tools and follow mounting guidelines.
Contamination from external particles->Abrasive wear and component seizure->Install seals or shields and maintain clean operating environments.

工业生态与工程逻辑

可替换件
0
Overheating from insufficient lubrication
1
Contamination by dust or debris
2
Misalignment causing uneven wear
3
Corrosion in harsh environments
4
Fatigue failure under cyclic loads

合规与检测

tolerance
ISO tolerance grades (e.g., IT6 for precision bearings)
test method
Vibration analysis, temperature monitoring, and load testing per ISO 15242 for bearing performance.

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 is the difference between bushings and bearings?

Bushings are plain bearings that use sliding friction, while bearings typically refer to rolling-element types (e.g., ball bearings) that use rolling friction for lower resistance.

How do I select the right bushing or bearing for a force transmission linkage?

Consider load type (radial/axial), speed, environment (temperature, corrosion), lubrication needs, and compliance with standards like ISO or DIN.

What are common failure modes for bushings and bearings?

Common failures include wear from friction, overheating due to inadequate lubrication, contamination, and misalignment leading to premature fatigue.

我可以直接联系工厂吗?

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

数据基础

CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。

初步技术归类
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

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URN:CNFX:ME:UNIT:BUSHINGS_BEARINGS