Bearing Design Considerations: Pumps and Compressors
Bearings are what keeps machines synced and running for optimum performance. Which is why for uninterrupted operability, good bearings are a must for pumps and
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Founded in 1946, National Engineering Industries Ltd (NEI) is India’s leading bearings manufacturer and exporter, renowned for excellence in quality and delivery.
Spherical Roller Bearings stand out as versatile workhorses in the bearings world, renowned for their ability to support high radial and axial loads while accommodating misalignment. Often referred to as SRBs, Spherical Roller Bearings are a type of rolling-element bearing with a barrel-shaped outer ring raceway, complemented by two rows of barrel-shaped rollers, and an inner ring with two raceways. This design helps eliminate misalignment and offers exceptional load-carrying capacity.
Products | Principal Dimensions | Basic Load Ratings | |||
---|---|---|---|---|---|
Dynamic | Static | ||||
d [mm] | D [mm] | B [mm] | Cr [kn] | Cor [kn] | |
22212 MB W33 | 60 | 110 | 28 | 132 | 156 |
22212K MB W33 | 60 | 110 | 28 | 132 | 156 |
22212 CA W33 | 60 | 110 | 28 | 135 | 157 |
22212K CA W33 |
60 | 110 | 28 | 135 | 157 |
22212 CC W33 | 60 | 110 | 28 | 150 | 182 |
22212K CC W33 | 60 | 110 | 28 | 150 | 182 |
22216 MB W33 |
80 | 140 | 33 | 174 | 234 |
22216K CC W33 | 80 | 140 | 33 | 175 | 234 |
22216K MB W33 | 80 | 140 | 33 | 175 | 234 |
22216 CC W33 | 80 | 140 | 33 | 175 | 234 |
22216 CA W33 | 80 | 140 | 33 | 179 | 240 |
22216K CA W33 | 80 | 140 | 33 | 179 | 240 |
22218 MB W33 | 90 | 160 | 40 | 254 | 336 |
22218K MB W33 | 90 | 160 | 40 | 202 | 386 |
It only has one prominent variant which is a Spherical Roller Thrust Bearing.
Spherical Roller Bearings play a pivotal role across manufacturing, automotive, mining, and aerospace industries.
Spherical roller bearings derive their name from their design, which includes a spherical-shaped outer ring raceway. This unique construction allows the bearing to accommodate misalignment and axial loads in any direction, resembling the shape of a sphere.
The choice between a roller bearing and a spherical bearing depends on the specific requirements of the application.
Spherical roller bearings find applications in various industries and machinery, including heavy-duty equipment such as mining, construction, and steel manufacturing. They are commonly used in applications with high radial and axial loads, as well as shaft deflection or misalignment, making them suitable for use in conveyor systems, crushers, vibrating screens, and industrial gearboxes.
Yes, spherical roller bearings are designed to handle both radial and axial loads. Their unique design, with a spherical-shaped outer ring raceway and barrel-shaped rollers, allows them to accommodate axial loads in addition to radial loads. This makes them suitable for applications where both types of loads are present, such as in heavy-duty machinery and industrial equipment.
To check the clearance of a spherical roller bearing,
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