行业组件数据 · 2026

轴承衬套

A bearing insert is a replaceable component within end bearing assemblies that provides precise rotational support and reduces friction between moving parts.

技术定义与适配语境
典型 轴承衬套 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 insert is a precision-engineered, replaceable component designed to fit within the housing of an end bearing assembly. It serves as the primary interface between rotating shafts and stationary structures, providing radial and axial load support while minimizing friction through optimized surface geometry and lubrication channels. These inserts are engineered to maintain dimensional stability under operational stresses and thermal variations.

组件规格

定义
A bearing insert is a precision-engineered, replaceable component designed to fit within the housing of an end bearing assembly. It serves as the primary interface between rotating shafts and stationary structures, providing radial and axial load support while minimizing friction through optimized surface geometry and lubrication channels. These inserts are engineered to maintain dimensional stability under operational stresses and thermal variations.
工作原理
The bearing insert operates on the principle of hydrodynamic or boundary lubrication, creating a thin film of lubricant between the rotating shaft and the insert surface. This reduces direct metal-to-metal contact, minimizes friction, dissipates heat, and prevents wear. The insert's geometry ensures proper load distribution and alignment within the bearing assembly.
材料
Typically manufactured from high-strength alloys such as bronze (C93200/C95400)babbitt metal (tin-based alloys)or advanced polymer composites (PTFE-reinforced). Surface treatments may include tin platingpolymer coatingsor graphite impregnation for enhanced lubricity.
Width
10-100 mm
Hardness
60-120 HB
Load Capacity
5-500 kN
Inner Diameter
10-500 mm
Outer Diameter
15-550 mm
Surface Roughness
Ra 0.4-1.6 μm
Temperature Range
-40°C to 200°C
标准
ISO 3547DIN 1494ASTM B505

行业分类与别名

轴承衬套 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 or contaminated lubrication->Increased friction, overheating, and accelerated wear->Implement regular lubrication schedules, use proper filtration systems, and monitor lubricant quality
Shaft misalignment during installation->Uneven load distribution leading to premature failure->Use precision alignment tools during installation, follow manufacturer torque specifications, and conduct alignment checks
Excessive operational loads beyond design limits->Plastic deformation or cracking of the insert material->Conduct proper load analysis during design, install overload protection devices, and monitor operating conditions

工业生态与工程逻辑

0
Premature wear due to improper lubrication
1
Misalignment causing uneven load distribution
2
Thermal expansion leading to clearance issues
3
Contamination from foreign particles

合规与检测

tolerance
ISO 286-2:2010 for dimensional tolerances, typically IT7-IT9 grade
test method
ASTM D4172 for wear testing, ISO 12156-1 for lubricity assessment, dimensional verification per ISO 1101

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 primary function of a bearing insert?

The primary function is to provide a replaceable wear surface that reduces friction between rotating shafts and bearing housings while supporting radial and axial loads.

How often should bearing inserts be replaced?

Replacement intervals depend on operating conditions, but typically range from 6-24 months. Regular inspection for wear, scoring, or lubrication issues is recommended.

Can bearing inserts be used in high-temperature applications?

Yes, when manufactured from appropriate materials like high-temperature bronze or special alloys with temperature ranges up to 200°C, though lubrication selection is critical.

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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。

请求制造能力信息: 轴承衬套

说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。

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URN:CNFX:ME:UNIT:BEARING_INSERT