行业组件数据 · 2026

轴承垫块

Precision bearing pad providing low-friction support and guidance in air bearing systems and mechanical guideways.

技术定义与适配语境
典型 轴承垫块 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 bearing pad/block is a precision-engineered component used in air bearing systems and mechanical guideways to provide near-frictionless support, precise linear or rotational guidance, and vibration damping. It functions by creating a thin film of air (in air bearings) or through rolling/sliding contact (in mechanical versions) between moving surfaces, enabling ultra-smooth motion with minimal wear. These components are critical in applications requiring high precision, repeatability, and low maintenance.

组件规格

定义
A bearing pad/block is a precision-engineered component used in air bearing systems and mechanical guideways to provide near-frictionless support, precise linear or rotational guidance, and vibration damping. It functions by creating a thin film of air (in air bearings) or through rolling/sliding contact (in mechanical versions) between moving surfaces, enabling ultra-smooth motion with minimal wear. These components are critical in applications requiring high precision, repeatability, and low maintenance.
工作原理
Operates on either aerodynamic/hydrostatic principles (air bearings) or rolling/sliding contact mechanics (mechanical guideways). Air bearing pads generate a pressurized air film that lifts and separates moving surfaces, eliminating physical contact and friction. Mechanical versions use precision-ground surfaces with lubricants or rolling elements to minimize friction while maintaining alignment and load capacity.
材料
Typically made from porous carbon graphiteceramic compositesor hardened steel alloys. Common specifications include: Carbon graphite (ISO 8002-2)Aluminum oxide ceramic (Al2O399.5% purity)Stainless steel (AISI 440C or 17-4PH)Bronze alloys (C93200)Polymer composites (PTFE-filled). Surface finishes range from Ra 0.1-0.4 μm for optimal performance.
Air Pressure
3-6 bar (for air bearings)
Load Capacity
10-500 N/cm²
Surface Roughness
Ra 0.1-0.4 μm
Flatness Tolerance
≤ 5 μm/m
Operating Temperature
-40°C to +200°C
Coefficient of Friction
0.001-0.1
标准
ISO 1101ISO 8015DIN 876DIN 7184

行业分类与别名

轴承垫块 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

Contaminants in air supply or environment->Surface scoring and increased friction->Install filtration systems, maintain cleanroom conditions where possible
Improper installation or alignment->Uneven wear and reduced accuracy->Use precision alignment tools, follow manufacturer installation procedures

工业生态与工程逻辑

0
Contamination leading to surface damage
1
Misalignment causing premature wear
2
Inadequate lubrication (mechanical types)
3
Air supply failure (air bearing types)
4
Thermal expansion affecting precision

合规与检测

tolerance
Geometric tolerances per ISO 1101, flatness within 5 μm/m, parallelism within 10 μm/m
test method
Coordinate measuring machine (CMM) verification, air flow testing (for porous bearings), surface roughness measurement per ISO 4287

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 air bearing pads and mechanical bearing blocks?

Air bearing pads use pressurized air to create a frictionless film between surfaces, ideal for ultra-precision applications. Mechanical bearing blocks use physical contact with lubricants or rolling elements, offering higher load capacity but with slightly more friction.

How do I maintain bearing pads in industrial applications?

For air bearings: ensure clean, dry air supply; regularly check for clogged pores. For mechanical versions: maintain proper lubrication, clean surfaces periodically, and monitor for wear. Both require alignment checks and contamination prevention.

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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:BEARING_PAD_BLOCK