MB Type Spherical Roller Bearings

MB type spherical roller bearings have two precision-machined brass cages, a fixed middle rib on the inner ring, and the use of reinforced symmetrical rollers so that the bearing load capacity reaches the C-type design level which is a substitute for traditional products. It can have a longer life in applications.

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MB Type Spherical Roller Bearings
MB type spherical roller bearings have two precision-machined brass cages, a fixed middle rib on the inner ring, and the use of reinforced symmetrical rollers so that the bearing load capacity reaches the C-type design level, a substitute for traditional products. It can have a longer life in applications.

Product parameter

Boundary dimensions
(mm)
Load ratings
(KN)
Limiting speeds
(r/min)
Mass
(kg)
Bearing NO.
d D B Cr Cor Grease oil HZPT
130 200 52 382 615 1300 1700 6.2 23026-MB
130 200 52 382 615 1300 1700 6.2 23026-K-MB
130 230 64 582 839 1500 1900 11.2 22226-MB
130 230 64 582 839 1500 1900 11.2 22226-K-MB
130 280 93 986 1356 1100 1500 29 22326-MB
130 280 93 986 1356 1100 1500 29 22326-K-MB
140 210 53 434.2 731.9 1100 1600 6.7 23028-MB
140 210 53 434.2 731.9 1100 1600 6.7 23028-K-MB
140 225 68 523 862 1000 1400 10.9 23128-MB
140 225 68 523 862 1000 1400 10.9 23128-K-MB
140 250 68 653 911 1400 1800 14.5 22228-MB
140 250 68 653 911 1400 1800 14.5 22228-K-MB
140 300 102 1082 1566 1000 1400 36 22328-MB
140 300 102 1082 1566 1000 1400 36 22328-K-MB
150 225 56 463 781 1000 1300 8.14 23030-MB
150 225 56 463 781 1000 1300 8.14 23030-K-MB
150 250 80 726 1198 900 1200 16.1 23130-MB
150 250 80 726 1198 900 1200 16.1 23130-K-MB
150 270 73 801 1101 1300 1700 18.5 22230-MB
150 270 73 801 1101 1300 1700 18.5 22230-K-MB

Differences between CA and CC type spherical roller bearing

Spherical roller bearings can be divided into CA-type spherical roller bearings, CC-type spherical roller bearings, and MB-type spherical roller bearings according to the cage type.

The primary structures of CA type and CC type are mainly distinguished by whether the inner ring has ribs or not, and the cage is a car-made entity or a stamped frame type.

CA type self-aligning roller bearing: one-piece brass machined cage, the inner ring has no middle rib, the end has two small ribs, and the rollers are symmetrical. CA-type spherical roller bearings are widely used. Large and extra-large bearings (generally with inner diameter below 600MM) are used more often. The main applications are coal mills, wind generators, textile machinery, continuous casting equipment, etc...

CC type spherical roller bearings: the rollers are symmetrical, the inner ring has no middle ribs and no end ribs, the cage is divided, the material is a stamped steel frame cage, and the rollers are designed between the rollers with the movable intermediate ring, its function can effectively reduce the internal friction of the bearing, can effectively assist the rolling elements in the force zone to enter the load zone correctly, and also increase the limit speed of the bearing.

Because the CC structure design occupies less internal space of the bearing than the CA structure design, the increase in the number of rolling elements and the change of the outer dimensions of the rolling elements can improve the radial bearing capacity of the bearing to a certain extent, so it can withstand more than CA The structural design has greater axial bearing capacity.

Features of MB type spherical roller bearing

  • Accommodate misalignment.
  • High load-carrying capacity.
  • Long service life.
  • Low friction.
  • Robust.

Applications of MB type spherical roller bearing

The inner ring of the MB-type spherical roller bearing has two fixed ribs, and its structure is characterized by the use of asymmetric spherical rollers and the inner circle to select the middle ribs. The bearing of this structure also has its unique advantages. It can realize pure rolling and is suitable for running under high-speed conditions. Here are examples of applications in which spherical roller bearings might be used:​

  • Wind energy
  • Mining, mineral processing, and cement
  • Material handling
  • Pulp and paper
  • Industrial transmission
  • Metals
  • Marine

Company Information

We are a professional bearing exporter in China, producing many bearings in different sizes and sizes. We can provide you with excellent service in a wide range of bearings with world-class quality, such as deep groove ball bearings, spherical roller bearings, spherical ball/roller bearings, and cylindrical roller bearings, tapered roller bearings, angular contact Ball bearings, etc. Bearings can also provide OEM services according to customer requirements. We adhere to strict global standards, which is why we can provide you with a wide range of bearings of world-class quality. We have always adhered to the principle of “integrity-based, quality first, customer foremost.” We are ready to use our sincerity to serve every global customer for long-term and win-win cooperation.

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