行业组件数据 · 2026

轧辊轴承

繁體:軋輥軸承

轧辊轴承是专为轧机应用设计的减摩轴承,用于支撑通过压缩力使金属变形的旋转轧辊。

技术定义与适配语境
典型 轧辊轴承 会按材料、尺寸公差、适配关系和失效风险在 基础金属制造 中评估。

轧辊轴承是专为轧机应用设计的特种减摩轴承,用于支撑通过压缩力使金属变形的旋转轧辊。这些轴承必须承受极大的径向和轴向载荷、高温、污染物暴露和冲击载荷,同时保持精确对中和最小摩擦。它们采用强化结构、专用密封系统和优化的内部几何形状设计,以应对金属轧制操作的严苛条件。 轧辊轴承的工作原理是通过在内圈和外圈之间循环的滚动体(球或滚子)减少旋转轧辊与固定轴承座之间的摩擦。轴承将载荷从旋转轧辊传递到轧机机架,同时允许平稳旋转且能量损失最小。在轧制应用中,它们必须同时承受来自轧制压力的径向载荷和来自材料进出力的轴向载荷,通常采用四列圆锥滚子轴承或球面滚子轴承等专用设计以实现最佳载荷分布。

组件规格

定义
轧辊轴承是专为轧机应用设计的特种减摩轴承,用于支撑通过压缩力使金属变形的旋转轧辊。这些轴承必须承受极大的径向和轴向载荷、高温、污染物暴露和冲击载荷,同时保持精确对中和最小摩擦。它们采用强化结构、专用密封系统和优化的内部几何形状设计,以应对金属轧制操作的严苛条件。

轧辊轴承的工作原理是通过在内圈和外圈之间循环的滚动体(球或滚子)减少旋转轧辊与固定轴承座之间的摩擦。轴承将载荷从旋转轧辊传递到轧机机架,同时允许平稳旋转且能量损失最小。在轧制应用中,它们必须同时承受来自轧制压力的径向载荷和来自材料进出力的轴向载荷,通常采用四列圆锥滚子轴承或球面滚子轴承等专用设计以实现最佳载荷分布。
工作原理
Roll bearings operate on the principle of reducing friction between rotating rolls and stationary housings through rolling elements (balls or rollers) that circulate between inner and outer rings. The bearings transfer loads from the rotating roll to the mill housing while allowing smooth rotation with minimal energy loss. In rolling applications, they must accommodate both radial loads from the rolling pressure and axial loads from material entry/exit forces, often utilizing specialized designs like four-row tapered roller bearings or spherical roller bearings for optimal load distribution.
材料
轴承套圈:整体淬硬铬钢(AISI 52100/100Cr6)或渗碳钢(AISI 8620/20MnCr5)滚动体:高碳铬钢(AISI 52100)硬度58-65 HRC保持架:机加工黄铜、钢或聚合物复合材料密封件:丁腈橡胶、氟橡胶(FKM)或带钢骨架的PTFE。
Mounting
Tapered bore with adapter sleeves or cylindrical bore with interference fit
Lubrication
Grease or oil circulation systems
Speed Rating
Up to 1500 rpm
Load Capacity
Dynamic: 500-5000 kN, Static: 800-8000 kN
Precision Class
ISO P5 to P2 (ABEC 5 to 9)
Temperature Range
-30°C to +200°C continuous
标准
ISO 76ISO 281ISO 1132DIN 5412DIN 620

行业分类与别名

轧辊轴承 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

Inadequate lubrication or wrong lubricant type->Increased friction, overheating, and adhesive wear->Implement automated lubrication systems with monitoring, use high-temperature stable greases, establish regular lubrication schedules
Contamination ingress through damaged seals->Abrasive wear, pitting, and reduced bearing life->Use multi-labyrinth seals with grease purging, maintain clean operating environment, implement seal inspection protocols
Improper mounting with incorrect clearance/preload->Excessive heat generation, premature fatigue, or brinelling->Use hydraulic mounting tools, follow manufacturer torque specifications, verify clearances with measurement tools

工业生态与工程逻辑

0
Catastrophic bearing failure causing mill downtime
1
Roll misalignment leading to poor product quality
2
Overheating and thermal seizure
3
Contamination-induced premature wear
4
Improper mounting causing early fatigue

合规与检测

tolerance
Radial runout: ≤0.015 mm, Axial runout: ≤0.025 mm, Bore tolerance: h6/h7, OD tolerance: k6/m6
test method
Vibration analysis (ISO 15242), temperature monitoring, lubricant analysis, dimensional verification per ISO 1132, load testing per ISO 76

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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 is the main difference between standard industrial bearings and roll bearings?

Roll bearings are specifically engineered for rolling mill applications with reinforced structures, specialized sealing for contamination protection, optimized internal clearances for thermal expansion, and enhanced load capacity to withstand extreme radial/axial forces during metal deformation processes.

How often should roll bearings be maintained in continuous operation?

In continuous heavy-duty rolling operations, bearings require lubrication replenishment every 500-1000 operating hours, comprehensive inspection every 3-6 months, and potential replacement every 2-5 years depending on load conditions, contamination levels, and maintenance practices.

What are the most common failure modes for roll bearings?

Primary failure modes include fatigue spalling from cyclic loading, abrasive wear from contamination ingress, adhesive wear from lubrication breakdown, corrosion from coolant/water exposure, and plastic deformation from shock overloads or improper mounting.

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CNFX Industrial Component Index · 基础金属制造

数据基础

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初步技术归类
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