Design and Performance Characteristics
The design of the 22300 series spherical roller bearings incorporates engineering wisdom to address the core challenges of heavy-duty machinery:
Excellent Self-Aligning Capability: The spherical raceway of the outer ring allows the bearing to automatically adjust and compensate for errors caused by shaft deflection under load or minor misalignment during installation, ensuring smooth operation. It allows for an angular misalignment of approximately 2°, which helps reduce boundary stresses caused by installation errors or shaft deformation, thereby extending the service life of both the bearing and the equipment
.High Load Capacity: The double-row, symmetrically arranged roller design enables the bearing to primarily withstand heavy radial loads. Simultaneously, it can accommodate significant axial loads in both directions and offers excellent impact resistance, making it particularly suitable for harsh operating environments involving heavy loads or vibrations
.Optimized Internal Design: The rollers feature a special crown profile (convex contour) that helps optimize stress distribution between the rollers and raceways, preventing stress concentration at the edges, thereby enhancing the bearing's rated service life. Furthermore, a floating guide ring between the two rows of rollers effectively reduces friction and heat generation
.| Anfrage | Bearing Designation | Dimension（mm） | Basic load ratings (kN) | Speed ratings(rpm) | Weight | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| d | D | B | rs min | Cr | Cor | Grease | Oil | (Kg) | ||
| 项目 | 描述 | |||||||||
| 轴承类型 | 双列调心滚子轴承 | |||||||||
| 主要载荷 | 径向载荷 (主要)，并能承受任一方向的轴向载荷 | |||||||||
| 核心特点 | 自调心性能 (允许约 1° - 2.5° 的轴不对中 | |||||||||
| 内径范围 (d) | 约 40mm - 400mm | |||||||||
| 保持架类型 | 常见黄铜、钢制或尼龙保持架 | |||||||||
| 内部游隙 | 提供 C0 (CN, 正常), C2 (小于正常), C3, C4 (大于C3) 等选项 | |||||||||
| 孔型选项 | 圆柱形直孔 (Straight Bore) 或 1:12 圆锥孔 (Tapered Bore, 代号 | |||||||||
| 密封选项 | 开式 (无密封) 或配备 NYLAPLATE, LAMBDA 等不同等级的密封 | |||||||||
| 典型应用 | 矿山机械、重型设备、造纸机械、减速装置、振动筛、冶金设备、物料搬运设备等 | |||||||||
