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SKF Explorer Spherical Roller Bearings

SKF Explorer 球面ころ軸受 / SKF (Official website) / Listed on page 77 of the document

Spherical roller bearing series with bore diameters of 100 to 850 mm. Available with cylindrical and tapered bores, this bearing group is intended for load support in large machinery.

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SKF Explorer Spherical Roller Bearings on page 77 of SKF "SKF 球面ころ軸受 (製品データ表 8章抜粋)"
Source: SKF「SKF 球面ころ軸受 (製品データ表 8章抜粋)」page 77
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Specifications

Inner diameter d 100~850 mm
Outer diameter D 150~1220 mm
Width B 46~475 mm
Basic dynamic load rating Cr 285~9300 kN
Basic static load rating C0r 415~50000 kN
Mass 3.15~3050 kg

How to choose Rolling Bearings

Points to check when selecting, with the values for this product (SKF Explorer Spherical Roller Bearings).

  1. 1. Bore and housing bore dimensions

    This product: Inner diameter d 100~850 mm

    Select the bore diameter d to match the shaft seat, the outside diameter D to match the housing bore, and the width B to suit the installation space. Main dimensions are standardized in ISO and JIS dimension series, so interchangeable products can be found by boundary dimension designation. For tapered roller bearings, also check the assembled width T; for thrust bearings, also check the height H.

  2. 2. Dynamic load rating based on life calculation

    This product: Basic dynamic load rating Cr 285~9300 kN

    The basic dynamic load rating Cr is the reference value for calculating rated life. Verify that the required life is met using the equivalent load during operation and the rotational speed. For ball bearings, life is proportional to the cube of the load ratio, so providing load margin greatly extends life.

  3. 3. Margin for static and shock loads

    This product: Basic static load rating C0r 415~50000 kN

    The basic static load rating C0r is the allowable standard for permanent deformation generated at the rolling elements and raceways under stationary or low-speed conditions. For applications with oscillating motion or shock loads, confirm that a static safety factor against the maximum load is secured using C0r.

  4. 4. Operating speed and lubrication method

    The limiting speed differs by lubrication method, and separate values are given for grease lubrication and oil lubrication. Confirm that the normal operating speed does not exceed the limiting value, and in high-speed ranges also consider cage material and precision grade. The reference speed can also be consulted as a thermal guideline.

  5. 5. Precision grade and internal clearance

    Precision grades (P0, P6, P5, etc.) indicate rotational accuracy and dimensional accuracy; for high-precision applications such as machine tool spindles, select higher grades. Internal clearance (C2, CN, C3, etc.) is selected to allow for changes caused by interference fit and temperature differences during operation.

  6. 6. Materials and lubrication suited to the environment

    For corrosive, high-temperature, vacuum, or clean environments, select specifications such as rings and rolling elements made of stainless steel or ceramics, or solid lubricants and fluorine grease for vacuum use. Check the operating temperature range, low dust generation, and whether food-grade grease registration applies against the application conditions.

This guide was written by AI based on the listed products' documents and specification items.

About Rolling Bearings and all products

Description

SKF Explorer spherical roller bearings listed in a wide range of sizes from 100 mm to 850 mm bore diameter. Available in cylindrical bore types (e.g., CC/W33) and tapered bore types (e.g., CCK/W33). The listing presents basic dynamic load rating, fatigue load limit, reference speed, mass, mounting dimensions, and calculation factors in a table.

Features

  • SKF Explorer bearings
  • Choice of cylindrical or tapered bore
  • Wide size range with bore diameters of 100 to 850 mm

Applications

  • Industrial machinery
  • Large rotating equipment
  • Heavy load support sections

FAQ

Q. What is the range of bore diameter and outside diameter for SKF Explorer spherical roller bearings?
A. Bore diameter d is 100 to 850 mm and outside diameter D is 150 to 1220 mm.
Q. Are SKF Explorer spherical roller bearings available with cylindrical bores, tapered bores, or both?
A. Both are available. Cylindrical bore types include models such as CC/W33, and tapered bore types include models such as CCK/W33.
Q. What are the main applications and features of SKF Explorer spherical roller bearings?
A. They are bearings intended for industrial machinery, large rotating equipment, and heavy load support sections. They are SKF Explorer bearings, available with either cylindrical or tapered bores, and offered in a wide size range of 100 to 850 mm bore diameter.
Q. What are the basic load ratings and mass ranges for SKF Explorer spherical roller bearings?
A. Basic dynamic load rating Cr is 285 to 9300 kN, and basic static load rating C0r is 415 to 50000 kN. Mass is 3.15 to 3050 kg.
Q. What is the width range and technical data listed for SKF Explorer spherical roller bearings?
A. Width B is 46 to 475 mm. The listing shows basic load ratings, fatigue load limit, reference speed, mass, mounting dimensions, and calculation factors in a table.

Written by AI based on the content of the source documents.

Source documents

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