行业组件数据 · 2026

托链轮

Carrier rollers are cylindrical components in track systems that support and guide the upper track section, reducing friction and wear.

技术定义与适配语境
典型 托链轮 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。

Carrier rollers are precision-engineered cylindrical components installed on the upper frame of tracked vehicle undercarriages. They support the weight of the upper track section, maintain proper track tension and alignment, and facilitate smooth track movement by reducing friction between the track and frame. These rollers rotate on sealed bearings and are designed to withstand heavy loads, impact forces, and harsh environmental conditions while minimizing track wear and power loss.

组件规格

定义
Carrier rollers are precision-engineered cylindrical components installed on the upper frame of tracked vehicle undercarriages. They support the weight of the upper track section, maintain proper track tension and alignment, and facilitate smooth track movement by reducing friction between the track and frame. These rollers rotate on sealed bearings and are designed to withstand heavy loads, impact forces, and harsh environmental conditions while minimizing track wear and power loss.
工作原理
Carrier rollers operate on the principle of rotational support and guidance. As the track moves, the rollers rotate on their axles, converting sliding friction between the track and frame into rolling friction. This reduces energy consumption and wear while maintaining consistent track alignment and tension across the upper section of the undercarriage system.
材料
Forged alloy steel (typically AISI 4140 or equivalent)hardened to 50-55 HRC surface hardnesssealed roller bearings with synthetic rubber sealsoptional polyurethane or rubber outer rings for noise reduction.
Width
70-120 mm
Weight
15-45 kg
Diameter
150-300 mm
Seal Type
Multi-labyrinth with grease purging
Bearing Type
Double-row tapered roller bearings
Load Capacity
5-20 tons per roller
Operating Temperature
-40°C to +80°C
标准
ISO 5687DIN 740

行业分类与别名

托链轮 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

Seal degradation allowing contamination ingress->Bearing corrosion and seizure->Regular seal inspection and replacement; use of multi-labyrinth seals with grease purging systems
Excessive impact loads from rough terrain->Surface spalling and roller deformation->Proper track tension maintenance; use of forged alloy steel with adequate hardness; installation of shock-absorbing track pads
Improper alignment during installation->Uneven wear and premature failure->Precision alignment during installation; regular track alignment checks; use of laser alignment tools

工业生态与工程逻辑

0
Bearing seizure due to seal failure
1
Surface spalling from impact loads
2
Shaft bending from overload
3
Premature wear from contamination

合规与检测

tolerance
Diameter tolerance: ±0.5 mm; concentricity: 0.1 mm maximum; surface hardness: 50-55 HRC
test method
ISO 5687 for dimensional verification; DIN 740 for load testing; ultrasonic testing for material integrity; salt spray testing for corrosion resistance

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 carrier rollers?

Carrier rollers support the upper section of tracks on tracked vehicles, reducing friction between the track and frame while maintaining proper track alignment and tension.

How often should carrier rollers be inspected?

Carrier rollers should be inspected every 250-500 operating hours for wear, seal damage, and bearing play, with replacement typically needed after 3,000-5,000 hours depending on operating conditions.

Can worn carrier rollers damage other undercarriage components?

Yes, excessively worn carrier rollers can cause uneven track wear, increased track tension fluctuations, and accelerated wear on sprockets and idlers due to improper track alignment.

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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: 托链轮

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URN:CNFX:ME:UNIT:CARRIER_ROLLERS