The 22211E SKF is an open‑type heavy‑duty spherical roller bearing with optimized E‑design internal geometry, engineered for high radial load, shock‑resistant and misalignment‑compensating applications. It features enhanced load distribution and robust structure, making it ideal for medium‑speed, heavy‑load industrial rotating systems under harsh working conditions.
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The 22211E SKF is an open‑type heavy‑duty spherical roller bearing with optimized E‑design internal geometry, engineered for high radial load, shock‑resistant and misalignment‑compensating applications. It features enhanced load distribution and robust structure, making it ideal for medium‑speed, heavy‑load industrial rotating systems under harsh working conditions.
Complying with ISO international standards, its precise dimensions are: inner diameter 55 mm, outer diameter 100 mm, width 33 mm, chamfer 1.2×45°, tolerance grade P0, standard radial clearance CN. The E‑design enlarges roller size and contact area to significantly improve load‑carrying capacity compared with conventional models.
Inner rings, outer rings and spherical rollers adopt high‑purity 100Cr6 vacuum‑refined bearing steel, quenched to HRC 61–63, featuring excellent wear resistance, contact fatigue strength and impact resistance. The pressed steel cage provides stable roller guidance, high rigidity and anti‑deformation performance under continuous heavy‑load operation.
Core manufacturing processes include precision forging, CNC turning, controlled‑atmosphere heat treatment, raceway grinding and superfinishing. Forging optimizes metal fiber flow; low‑temperature tempering eliminates residual stress; superfinishing reduces surface roughness, lowering friction and improving operational stability.
Calculated per ISO 281 standard, the 22211E SKF achieves a rated L10 service life of 66 000 hours under standard load, moderate speed and proper lubrication. Key influencing factors include load magnitude, shaft misalignment, operating speed, lubrication quality and ambient temperature.
This spherical roller bearing is widely applied in construction machinery, mining equipment, industrial gearboxes, agricultural machinery, fans and blowers, and material‑handling conveyors. Its strong self‑aligning performance compensates installation errors and shaft deflection, adapting well to variable‑load and dusty industrial environments.
For routine maintenance, re‑lubricate every 300 operating hours with extreme‑pressure lithium‑based grease, filling quantity 1.5–2.0 g. Keep bearing surfaces free of contaminants; regularly check noise, temperature and roller condition, replacing parts upon abnormal wear or vibration.
Before installation, clean mating shafts and housings and verify H7/h6 tolerance. Use press‑fit assembly without hammer impact, control coaxiality within 0.02 mm/m and follow standard tightening torque. Perform no‑load trial run post‑installation to ensure smooth rotation and stable performance.
| BRAND | FONKIN/SKF/FAG/INA/NSK/NTN/TIMKEN/SNR/IKO/KOYO/ASAHI/FYH/THK/HIWIN/PMI |
| BEARINGS NO. | 22211E SKF |
| TYPE | Spherical Roller Bearing |
| Inner(d)mm | 55 |
| Outer(D)mm | 100 |
| Width(B)mm | 25 |
| WEIGHT/KG | 0.802 |
| EAN CODE | 7316576 652127 |
+86-510-6831-3099
No.105, Huixin Road,Yuqi Industrial Park, Huishan District, hunqi Road, Yuqi Town, Wuxi, Jiangsu Province, P.R.CHINA
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