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Single-row Metric Size Tapered Roller Bearings

Single row metric tapered roller bearings are a common type of tapered roller bearings that are separable. Both the inner and outer rings of the bearing have tapered raceways, and the rollers are in the shape of a truncated cone.

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Single-row Metric Size Tapered Roller Bearings

Single row metric tapered roller bearings are a common type of tapered roller bearings that are separable. Both the inner and outer rings of the bearing have tapered raceways, and the rollers are in the shape of a truncated cone. The roller and the raceway are in linear contact, which can bear heavier combined radial and axial loads, as well as axial loads. The larger the contact angle, the higher the axial bearing capacity; conversely, the smaller the contact angle, the lower the axial bearing capacity.

The design of the single row metric tapered roller bearing should extend the contact line between the roller and the inner and outer raceways and then intersect at the same point on the bearing axis for rolling. Single row metric tapered roller shafts mostly use inches.

Product parameter

Boundary dimensions
(mm)
Mass
(kg)
Bearing NO.
d D T HZPT
15 35 11.75 0.054 30202
15 42 14.25 0.096 30302
17 40 13.25 0.056 30203
17 40 17.25 0.105 32203
17 47 15.25 0.129 30303
17 47 20.25 0.18 32303
20 42 15 0.108 32004X
20 47 15.25 0.092 30204
20 52 16.25 0.188 30304
20 52 22.25 0.241 32304
25 47 15 0.12 32005X
25 47 17 0.139 33005
25 52 16.25 0.155 30205
25 52 19.25 0.186 32205
25 52 22 0.214 33205
25 62 18.25 0.297 31305
25 62 18.25 0.289 30305
25 62 25.25 0.362 32305
28 52 16 0.156 320/28X
30 55 17 0.195 32006X

Series of Single row metric size tapered roller bearings

Popular types of Single row metric tapered roller bearings:

  • 30202
  • 30302
  • 30203

Features of single row metric size tapered roller bearings

  • Low friction
    The flange's optimized roller end design and surface finish promote lubricant film formation, resulting in lower friction. This also reduces frictional heat and flange wear. In addition, the bearings can better maintain preload and run at reduced noise levels.
  • Long service life
    The crowned raceway profiles of basic design bearings and the logarithmic raceway profiles optimize the load distribution along the contact surfaces, reduce stress peaks at the roller ends, and reduce the sensitivity to misalignment and shaft deflection compared with conventional straight raceway profiles.
  • Enhanced operational reliability
    The optimized surface finish on the contact surfaces of the rollers and raceways supports the formation of a hydrodynamic lubricant film.
  • Consistency of roller profiles and sizes
    The rollers incorporated in tapered roller bearings are manufactured to such close dimensional and geometrical tolerances that they are practically identical. This provides optimal load distribution, reduces noise and vibration, and enables preload to be set more accurately.
  • Rigid bearing application
    A single row tapered roller bearing is typically adjusted against a second tapered roller bearing. By applying a preload, a rigid bearing application can be achieved.
  • Running-in period with reduced temperature peaks
    Tapered roller bearings typically have a running-in period, during which a conventional design tapered roller bearing experiences significant friction, resulting in wear. This effect is noticed as a temperature spike. With a tapered roller bearing design, friction, frictional heat, and wear are significantly reduced, provided the bearings are mounted and lubricated correctly.
  • Separable and interchangeable
    The inner ring with roller and cage assembly (cone) can be mounted separately from the outer ring (cup). This facilitates mounting, dismounting, and also maintenance inspection routines. Furthermore, the separable components are interchangeable.

Applications of Single row metric size tapered roller bearings

Single row metric tapered roller bearings are widely used in the following industries:

  • mining
  • petroleum
  • heavy machinery
  • wind power
  • engineering machinery
  • and other industries

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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