+86 15806631151 info@sdtfbearing.com
The 21311 EK/C3 is a double-row spherical roller bearing with a 55mm bore and 120mm outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 35745 lbf and reaches speeds of 7500 RPM.
Its open design and lubrication groove (6mm wide) make maintenance straightforward, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 200°C.
With a C3 radial clearance, it accommodates thermal expansion, ideal for heavy-duty applications. The tapered bore (1:12 ratio) ensures a secure fit on shafts.
Weighing 1.7kg, it’s robust for industrial machinery like conveyors or gearboxes. Compliant with RoHS and REACH standards, it’s a reliable choice for replacements, interchangeable with SKF models.
"*" indicates required fields
Performance Features of 21311 EK/C3 Bearing
21311 EK/C3 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 35745 lbf, ensuring reliable performance in heavy-duty applications.
The double-row spherical roller design allows for slight misalignment, reducing stress on surrounding components.
With a maximum speed of 7500 rpm, it maintains efficiency even under demanding conditions.
21311 EK/C3 Bearing operates in temperatures from -30° to 200°C, suitable for various industrial environments.
The C3 radial clearance provides optimal performance under thermal expansion and heavy loads.
The steel cage ensures proper roller alignment, enhancing durability and reducing maintenance needs.
Its tapered bore design simplifies installation, making it a practical choice for many applications.
Industrial Uses of 21311 EK/C3 Bearing
21311 EK/C3 Bearing is commonly used in heavy machinery like crushers and vibrating screens, where its double-row design handles combined loads efficiently. The spherical rollers adapt to misalignment, ensuring smooth operation even in demanding conditions.
In automotive applications, 21311 EK/C3 Bearing supports components such as differential systems and axle assemblies. Its high dynamic radial load capacity makes it reliable for long-term use in vehicles.
For industrial fans and blowers, 21311 EK/C3 Bearing’s open design allows easy lubrication, extending service life in high-speed environments. The C3 radial clearance ensures optimal performance under varying thermal conditions.
Where Is 21311 EK/C3 Bearing Used?
You’ll find 21311 EK/C3 Bearing in conveyor systems, where its tapered bore ensures secure mounting on shafts. The steel cage provides durability, reducing maintenance needs in continuous operation.
In construction equipment like excavators, 21311 EK/C3 Bearing handles heavy radial and axial loads with ease. Its chrome steel construction resists wear, making it suitable for rugged outdoor use.
Built for Heavy-Duty Use: 21311 EK/C3 Bearing
21311 EK/C3 Bearing excels in mining equipment, where its robust design withstands extreme loads and vibrations. The lubrication groove ensures consistent performance even in dusty environments.
For paper mill machinery, 21311 EK/C3 Bearing’s high-temperature tolerance up to 200°C makes it a dependable choice. The spherical rollers compensate for shaft deflections, reducing downtime.
Automotive vs Aerospace: Applications of 21311 EK/C3 Bearing
In automotive drivetrains, 21311 EK/C3 Bearing offers reliable performance under combined loads. Its metric sizing ensures compatibility with a wide range of vehicle designs.
For aerospace ground equipment, 21311 EK/C3 Bearing’s precision and durability meet stringent operational requirements. The open seal type allows for custom lubrication solutions based on specific needs.
"*" indicates required fields