行业组件数据 · 2026

支撑壳体

Support housing is a structural component that encloses and protects bearing assemblies in industrial machinery, providing alignment, load distribution, and environmental protection.

技术定义与适配语境
典型 支撑壳体 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 support housing is a precision-engineered mechanical enclosure designed to house rolling-element or plain bearings in industrial equipment. It serves as the interface between rotating shafts and stationary machine frames, ensuring proper bearing alignment, distributing radial and axial loads to the machine structure, protecting bearings from contaminants, and often providing lubrication retention. These housings are critical for maintaining shaft positioning accuracy, reducing vibration, and extending bearing service life in demanding industrial applications.

组件规格

定义
A support housing is a precision-engineered mechanical enclosure designed to house rolling-element or plain bearings in industrial equipment. It serves as the interface between rotating shafts and stationary machine frames, ensuring proper bearing alignment, distributing radial and axial loads to the machine structure, protecting bearings from contaminants, and often providing lubrication retention. These housings are critical for maintaining shaft positioning accuracy, reducing vibration, and extending bearing service life in demanding industrial applications.
工作原理
The support housing operates by providing a rigid, precisely machined enclosure that positions bearings at optimal locations along a shaft. It transfers operational loads (radial, axial, and moment loads) from the rotating assembly to the machine frame through its mounting surfaces. By maintaining dimensional stability under load and temperature variations, it ensures bearing races remain properly aligned, preventing premature wear. Many designs incorporate sealing systems to exclude contaminants and retain lubricants, while some include cooling features or lubrication ports for enhanced performance.
材料
Typically manufactured from cast iron (gray iron or ductile iron grades like ASTM A48 or GG25)cast steel (ASTM A27)or aluminum alloys (e.g.356-T6). High-precision applications may use machined steel (AISI 1045/4140) or stainless steel (304/316) for corrosion resistance. Material selection depends on load capacitythermal expansion compatibility with shaftscorrosion requirementsand weight considerations.
Mounting
Bolt holes per ISO standards, machined base surfaces
Load Rating
Static: 10-500 kN, Dynamic: 5-300 kN
Housing Type
Pillow block, flange, take-up, cartridge
Sealing Type
Contact seals, labyrinth seals, V-ring seals
Bore Diameter
20-500 mm
Operating Temperature
-20°C to +150°C
标准
ISO 113ISO 3228DIN 736DIN 5417ANSI/AFBMA 19

行业分类与别名

支撑壳体 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

Improper installation alignment->Bearing overheating and seizure->Use precision alignment tools during installation and verify with dial indicators
Seal degradation or damage->Contaminant ingress leading to bearing wear->Implement regular seal inspection and replacement schedule; use appropriate seal type for environment
Insufficient lubrication->Increased friction and temperature rise->Establish lubrication maintenance program; monitor temperature and vibration

工业生态与工程逻辑

0
Misalignment causing premature bearing failure
1
Inadequate sealing leading to contamination
2
Thermal expansion mismatch with shaft
3
Improper mounting causing housing distortion
4
Corrosion in harsh environments

合规与检测

tolerance
Housing bore: IT6-IT7 per ISO 286, mounting surfaces: flatness within 0.05 mm/m, perpendicularity within 0.1 mm
test method
Dimensional verification via CMM, load testing per ISO 76, seal effectiveness testing per ISO 6194, vibration analysis per ISO 10816

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 a pillow block and flange housing?

Pillow block housings have a base for mounting on horizontal surfaces, while flange housings mount on vertical surfaces via bolt circles. Both serve the same function but differ in orientation and mounting configuration.

How often should support housings be inspected?

Visual inspections should occur monthly for signs of leakage or damage. Comprehensive inspections including alignment checks and internal examination should be performed annually or per manufacturer recommendations based on operating conditions.

Can support housings be used with different bearing types?

Yes, but they must be specifically designed for the bearing type (ball, roller, spherical) and size. Housing bore dimensions, tolerances, and internal geometry are matched to particular bearing series for proper function.

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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。

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URN:CNFX:ME:UNIT:SUPPORT_HOUSING