CARB toroidal roller bearings* have one row of long, slightly barrel-shaped symmetrical rollers and torus-shaped raceway profiles. They are non-locating bearings and accommodate exclusively radial loads. CARB bearings are often used to replace the non-locating spherical roller bearing in a locating/non-locating bearing arrangement.
*Unique to SKF
- Accommodate misalignment
CARB bearings are self-aligning like spherical roller bearings or self-aligning ball bearings.
- Accommodate axial displacement
CARB bearings compensate for thermal expansion of the shaft like cylindrical or needle roller bearings.
- Wide assortment of dimension series
CARB bearings are available with the same boundary dimensions as corresponding spherical roller bearings, self-aligning ball bearings, cylindrical roller bearings and needle roller bearings.
- Long service life
The special roller profile prevents stress peaks at the roller ends.
- Low friction
Self-guiding rollers keep friction and frictional heat at low levels.
- Improved wear resistance
All CARB bearings are upgraded SKF Explorer bearings.
- Low noise
CARB bearings can reduce noise and vibration levels, for example, in paper machines and fans.
- Long bearing system life
CARB bearings provide benefits in self-aligning bearing arrangements. With a CARB bearing in the non-locating position, there are no internally induced axial forces, which results in multiple benefits: Less load extends the service life. The bearings run cooler, the lubricant lasts longer and maintenance intervals can be extended. Noise and vibration levels can be reduced.
Here are examples of applications in which CARB toroidal roller bearings might be used:
- Industrial transmission
- Metals
- Pulp and Paper
- Mining, mineral processing and cement
- Industrial fans
- Marine
Single row cylindrical roller bearings are available in many designs, series and sizes.
Double row cylindrical roller bearings are available in several designs with a cylindrical or tapered bore.
Four-row cylindrical roller bearings are used almost exclusively for the roll necks of rolling mill stands, calenders and roller presses.
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Single row angular contact ball bearings can accommodate axial loads in one direction only.
The design of the double row angular contact ball bearings corresponds to two single row angular contact ball bearings arranged back-to-back.
Four-point contact ball bearings are radial single row angular contact ball bearings with raceways that are designed to support axial loads in both directions.
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Single row tapered roller bearings are designed to accommodate combined loads, i.e. simultaneously acting radial and axial loads.
The assortment of matched single row tapered roller bearings is based on popular sizes of single row tapered roller bearings.
Double row tapered roller bearings can accommodate heavy radial loads, axial loads in both directions and have a high degree of stiffness.
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Cylindrical roller thrust bearings are designed to accommodate heavy axial loads and impact loads.
Needle roller thrust bearings are fitted with a form-stable cage to reliably retain and guide a large number of needle rollers.
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Pillow block bearing units consist of an insert bearing mounted in a housing, which can be bolted to a support surface.
Flanged bearing units consist of an insert bearing mounted in a housing, which can be bolted to a machine wall or frame.
The take-up bearing unit assortment comprises of insert bearing series and designs, with the main differences between the take-up units being the housing design, the locking method onto the shaft, the sealing solution, and the options for end covers and back seals.
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