行业组件数据 · 2026

分离轴承导向套

A precision guide component in clutch systems that ensures proper alignment and smooth movement of the release bearing during clutch engagement and disengagement.

技术定义与适配语境
典型 分离轴承导向套 会按材料、尺寸公差、适配关系和失效风险在 汽车制造 中评估。

The Release Bearing Guide is a critical component within the clutch cover assembly of manual transmission systems. It serves as a cylindrical or sleeve-like guide that maintains precise axial alignment of the release bearing (also called throw-out bearing) as it moves along the transmission input shaft. This component ensures the bearing travels smoothly without wobbling or binding, allowing for consistent clutch pedal feel and preventing premature wear on both the bearing and clutch diaphragm spring fingers. Typically made from durable materials, it withstands rotational forces, heat from friction, and mechanical stress during operation.

组件规格

定义
The Release Bearing Guide is a critical component within the clutch cover assembly of manual transmission systems. It serves as a cylindrical or sleeve-like guide that maintains precise axial alignment of the release bearing (also called throw-out bearing) as it moves along the transmission input shaft. This component ensures the bearing travels smoothly without wobbling or binding, allowing for consistent clutch pedal feel and preventing premature wear on both the bearing and clutch diaphragm spring fingers. Typically made from durable materials, it withstands rotational forces, heat from friction, and mechanical stress during operation.
工作原理
The guide operates by providing a low-friction, rigid pathway for the release bearing. When the clutch pedal is depressed, hydraulic or mechanical force pushes the release bearing along the guide toward the clutch diaphragm spring. This movement disengages the clutch by releasing pressure on the friction disc. The guide ensures the bearing moves in a straight line, maintaining even contact with the spring fingers to prevent uneven wear and ensure smooth clutch operation. It also helps distribute loads evenly and reduces vibration during engagement.
材料
Typically made from high-strength steel alloys (e.g.SAE 10454140) or aluminum alloys for lightweight applications. Surface treatments may include hardening (e.g.case hardening or nitriding)plating (e.g.zinc or chromium)or coatings (e.g.PTFE) to enhance wear resistance and reduce friction. Some variants use engineered polymers like polyamide or PEEK for specific applications requiring corrosion resistance or noise reduction.
Length
30-100 mm
Weight
50-300 grams
Hardness
45-60 HRC for steel variants
Load Capacity
Up to 500 N axial load
Inner Diameter
20-50 mm (varies by vehicle model)
Outer Diameter
25-60 mm
Surface Finish
Ra 0.8-1.6 μm
Operating Temperature Range
-40°C to 150°C
标准
ISO 9001ISO/TS 16949DIN 7150SAE J429

行业分类与别名

分离轴承导向套 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

Material fatigue or excessive wear from high cyclic loads->Guide deformation or cracking, causing bearing misalignment->Use high-strength alloys with proper heat treatment; implement regular inspection protocols; ensure correct lubrication if applicable.
Corrosion due to exposure to moisture or contaminants->Increased friction and binding of the release bearing->Apply corrosion-resistant coatings or platings; use sealed clutch systems; specify materials suited for operational environment.
Manufacturing defects such as out-of-tolerance dimensions->Poor fit with bearing or shaft, leading to vibration and noise->Adhere to strict quality control (e.g., ISO/TS 16949); perform dimensional checks during production; use precision machining processes.

工业生态与工程逻辑

0
Misalignment causing premature bearing failure
1
Wear leading to clutch drag or slippage
2
Corrosion in harsh environments reducing lifespan
3
Improper installation resulting in mechanical binding

合规与检测

tolerance
Dimensional tolerances per ISO 2768-mK; axial runout typically within 0.05-0.1 mm; surface hardness tolerance ±2 HRC
test method
Dimensional verification via CMM; hardness testing per Rockwell scale; wear resistance testing via pin-on-disc methods; functional testing in clutch assembly simulators

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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

What happens if the Release Bearing Guide fails?

Failure can cause misalignment of the release bearing, leading to uneven clutch engagement, increased pedal effort, noise (e.g., grinding or squealing), premature wear of the bearing and clutch components, and potential clutch slippage or failure to disengage.

How often should the Release Bearing Guide be inspected or replaced?

It is typically inspected during clutch replacement (every 80,000-120,000 miles) or if symptoms like clutch drag or noise appear. Replacement is recommended if wear, corrosion, or deformation is detected, as it is often replaced alongside the clutch kit for optimal performance.

Can a worn guide affect clutch pedal feel?

Yes, a worn or damaged guide can cause the release bearing to bind or move unevenly, resulting in a gritty, sticky, or inconsistent clutch pedal feel, and may lead to difficulty in shifting gears smoothly.

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CNFX Industrial Component Index · 汽车制造

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凸轮轴轴承轴颈(顶置凸轮轴设计)
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URN:CNFX:ME:UNIT:RELEASE_BEARING_GUIDE