行业组件数据 · 2026

润滑口

A lubrication port is a precision-engineered access point on bearing housings designed for controlled lubricant delivery to extend bearing life and reduce maintenance.

技术定义与适配语境
典型 润滑口 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 lubrication port is a critical component integrated into bearing housings that provides a sealed, threaded, or press-fit interface for connecting lubrication systems (grease guns, automatic lubricators, or centralized systems). It ensures precise lubricant delivery directly to bearing surfaces while preventing contamination ingress. The port typically includes features like check valves, dust caps, or pressure relief mechanisms to maintain optimal lubrication conditions and protect bearing integrity under various operational loads and environmental conditions.

组件规格

定义
A lubrication port is a critical component integrated into bearing housings that provides a sealed, threaded, or press-fit interface for connecting lubrication systems (grease guns, automatic lubricators, or centralized systems). It ensures precise lubricant delivery directly to bearing surfaces while preventing contamination ingress. The port typically includes features like check valves, dust caps, or pressure relief mechanisms to maintain optimal lubrication conditions and protect bearing integrity under various operational loads and environmental conditions.
工作原理
The lubrication port operates by creating a controlled pathway for lubricant flow from an external source into the bearing housing. When pressure is applied (e.g., via a grease gun), lubricant is forced through the port, displacing old lubricant and contaminants through relief ports or seals. It maintains a positive pressure barrier against external contaminants while allowing precise metering of lubricant volume to reduce friction, dissipate heat, and prevent wear in rotating or sliding bearing components.
材料
Typically manufactured from carbon steel (AISI 1018/1020)stainless steel (AISI 304/316)or brass (C36000) with corrosion-resistant coatings (zinc platingnickel platingor powder coating). High-temperature applications may use alloy steels or specialized polymers. Seals are often made from nitrile rubber (NBR)fluorocarbon (FKM)or PTFE for chemical and thermal resistance.
Seal Type
O-ring, lip seal, or ball check valve
Port Angle
Straight (90°), 45°, or 30° angled configurations
Thread Size
1/8" NPT to 1/2" NPT (common), M6x1 to M16x1.5 (metric)
Mounting Type
Threaded, weld-on, or press-fit
Pressure Rating
Up to 10,000 psi (grease systems), 500 psi (oil systems)
Temperature Range
-40°C to 200°C (standard), up to 300°C (high-temp variants)
标准
ISO 6149DIN 3402SAE J514ISO 11926

行业分类与别名

润滑口 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

Contaminated lubricant or environmental debris->Port clogging preventing lubricant flow->Install inline filters, use sealed dust caps, and follow scheduled maintenance with clean lubricants.
Excessive pressure during lubrication->Seal rupture or housing damage->Use pressure-relief valves, train personnel on proper lubrication techniques, and specify pressure-rated ports.
Material corrosion from chemicals or moisture->Thread degradation and leakage->Select corrosion-resistant materials (stainless steel, coated alloys) and apply protective treatments in aggressive environments.

工业生态与工程逻辑

0
Over-lubrication causing seal blowout
1
Contaminant ingress if seals fail
2
Thread corrosion in harsh environments
3
Misalignment leading to inadequate bearing lubrication

合规与检测

tolerance
Thread tolerances per ISO 6149 (H7/g6 for metric) or ASME B1.20.1 for NPT; seal compression within ±0.5mm
test method
Pressure testing per ISO 6149 (leak test at 1.5x operating pressure), flow rate verification, and seal integrity checks with gauges or automated systems

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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

How often should lubrication ports be used on bearing housings?

Frequency depends on operating conditions: typically every 500-2,000 hours for grease, or as per manufacturer guidelines. High-speed, high-load, or contaminated environments may require more frequent lubrication.

Can lubrication ports be retrofitted to existing bearing housings?

Yes, through drilling and tapping with proper alignment to bearing surfaces, but it requires precision to avoid housing damage or misalignment. Use standardized thread sizes and seal kits for compatibility.

What are common failures of lubrication ports?

Clogging from contaminated lubricant, thread stripping from over-torquing, seal degradation from heat/chemicals, and leakage due to improper installation or worn check valves.

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CNFX Industrial Component Index · 机械和设备制造

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URN:CNFX:ME:UNIT:LUBRICATION_PORT