行业组件数据 · 2026

轴承滚珠/滚子

Precision spherical or cylindrical rolling elements that enable smooth linear motion in guide systems by reducing friction between moving parts.

技术定义与适配语境
典型 轴承滚珠/滚子 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。

Bearing balls and rollers are hardened, precision-ground spherical or cylindrical components that serve as rolling elements in linear guide systems. They facilitate smooth, low-friction linear motion by rolling between the guide rail and carriage block, distributing loads evenly and minimizing wear. These components are engineered to exacting tolerances to ensure consistent performance, high load capacity, and long service life in industrial automation, CNC machinery, and precision equipment.

组件规格

定义
Bearing balls and rollers are hardened, precision-ground spherical or cylindrical components that serve as rolling elements in linear guide systems. They facilitate smooth, low-friction linear motion by rolling between the guide rail and carriage block, distributing loads evenly and minimizing wear. These components are engineered to exacting tolerances to ensure consistent performance, high load capacity, and long service life in industrial automation, CNC machinery, and precision equipment.
工作原理
Bearing balls/rollers operate on the principle of rolling contact mechanics. They convert sliding friction into rolling friction by rotating between the guide rail and carriage block surfaces. This reduces energy loss, heat generation, and wear while maintaining precise linear positioning. The rolling action distributes loads across multiple contact points, enhancing load capacity and motion accuracy.
材料
High-carbon chromium steel (AISI 52100/SUJ2)stainless steel (AISI 440C)ceramic (silicon nitride Si3N4)or specialty alloys. Surface hardness typically 58-66 HRC with fine surface finish (Ra ≤ 0.05 μm).
Lubrication
Grease or oil-filled
Load Capacity
Dynamic: 500-5000 N per ball
Surface Roughness
Ra ≤ 0.05 μm
Diameter Tolerance
±0.0005 mm
Sphericity/Roundness
≤0.0003 mm
Operating Temperature
-30°C to +120°C
标准
ISO 3290DIN 5401JIS B 1501

行业分类与别名

轴承滚珠/滚子 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

Contamination by abrasive particles->Increased friction, surface pitting, premature wear->Install protective seals, maintain clean environment, use proper filtration systems
Insufficient or improper lubrication->Metal-to-metal contact, overheating, seizure->Follow manufacturer lubrication schedules, use recommended lubricants, monitor lubrication systems
Excessive preload or overloading->Plastic deformation, brinelling, reduced fatigue life->Adhere to load ratings, ensure proper preload adjustment, implement load monitoring

工业生态与工程逻辑

0
Contamination from dust/debris
1
Inadequate lubrication
2
Overloading beyond rated capacity
3
Misalignment during installation
4
Corrosion in harsh environments

合规与检测

tolerance
Grade 3 to Grade 10 per ISO 3290 standards
test method
Coordinate measuring machines (CMM), roundness testers, surface roughness testers, hardness testers per ISO 3290 and DIN 5401

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 bearing balls and rollers in linear guides?

Bearing balls provide point contact with lower friction for high-speed applications, while rollers offer line contact with higher load capacity and rigidity for heavy-duty applications.

How often should bearing balls/rollers be lubricated?

Lubrication intervals depend on operating conditions: typically every 3-6 months for normal use, or more frequently in high-speed, high-load, or contaminated environments.

Can ceramic bearing balls be used instead of steel?

Yes, ceramic balls offer advantages including higher stiffness, lower density, corrosion resistance, and reduced thermal expansion, but at higher cost.

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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: 轴承滚珠/滚子

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URN:CNFX:ME:UNIT:BEARING_BALLS_ROLLERS