Bearing and Housing Unit: SKF bearing units typically consist of a bearing, seal, lubricant and shaft locking mechanism. The units are preassembled and adjusted at the factory. These ready to mount units are available with either ball or roller bearings. In addition to standard all steel units, SKF has more focused standard products – which target a particular industry – like the food, beverage and pharmaceutical industries where, for example, special materials, lubricants, seals and housings are needed.

Vòng bi tang trống 2 dãy tự lựa (Vòng bi nhào cà na) – Spherical roller bearing

– Ổ tang trống tự lựa 2 dãy gồm 2 dãy con lăn có chung 1 rãnh lăn cầu trên vòng ngoài và 2 rãnh lăn riêng biệt trên vòng trong tạo ra 1 góc nghiêng so với trục ổ lăn

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Spherical roller bearings

Spherical roller bearings have two rows of rollers, a common sphered outer ring raceway and two inner ring raceways inclined at an angle to the bearing axis (fig. 1.) The centre point of the sphere in the outer ring raceway is at the bearing axis. Therefore, the bearings are self-aligning (fig. 2) and insensitive to misalignment of the shaft relative to the housing, which can be caused, for example, by shaft deflection. Spherical roller bearings are designed to accommodate heavy radial loads, as well as heavy axial loads in both
Bearing performance is not only determined by load or speed ratings. There are a number of other factors that contribute to bearing performance. To a large extent, performance is influenced by the geometry of the rollers, raceways and cages, the heat treatment, as well as the surface finish of all contact surfaces.
Why spherical roller bearings?
Spherical roller bearings offer an attractive
combination of design features, which are
making them irreplaceable in many demanding
• Self-aligning
Spherical roller bearings accommodate misalignment between the shaft and housing without increasing friction or reducing bearing service life.
• Very high load carrying capacity Optimized internal geometry within the available cross section provides maximum
radial and axial load carrying capacity.
• Robust:
Insensitive to misalignment caused by shaft or housing deflections as a result of heavy loads.
• Easily fitted for loads in all directions The bearings are non-separable and readyto install, having a choice of mounting methods.
• Simplify the application
The favourable design characteristics combined with simplified mounting procedures enable more efficient and compact machine designs.

Order code: 2xxxx (total 5 numbers)

– Very high load

– Self-aligning: 0,5 – 2 (degree)

– Low velocity







Ứng dụng: trong các hệ thống máy chịu tải trọng cao, tốc độ vòng quay trung bình.





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