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SKF Explorer Deep Groove Ball Bearing

深溝玉軸受 (SKF Explorer) / SKF (Official website) / Listed on page 31 of the document

A high-performance single-row deep groove ball bearing with reduced friction, noise and vibration, and extended service life. It uses the same designation system as conventional standard bearings and is marked with an asterisk in product tables.

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SKF Explorer Deep Groove Ball Bearing on page 31 of SKF "SKF 深溝玉軸受 製品カタログ(設計およびバリエーション)"
Source: SKF「SKF 深溝玉軸受 製品カタログ(設計およびバリエーション)」page 31
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Specifications

Dimensional Standard Main dimensions ISO 15, snap ring and groove ISO 464
Accuracy grade Normal (P6 or P5 on request)
Internal clearance Normal (C2, C3, C4, C5, etc. subject to stock check)
Permissible self-aligning angle ≈ 2 ~ 10 分角

How to choose Rolling Bearings

Points to check when selecting, with the values for this product (SKF Explorer Deep Groove Ball Bearing).

  1. 1. Bore and housing bore dimensions

    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

    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

    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

    This product: Accuracy grade Normal (P6 or P5 on request)

    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

Improvements to internal geometry, cage, steel material and heat treatment, and ball quality deliver higher dynamic load capacity, lower noise and vibration, reduced frictional heat, and extended practical service life. Suitable for electric motors, motorcycles, transmissions and similar applications.

Features

  • Higher dynamic load capacity
  • Reduced noise and vibration levels
  • Reduced frictional heat
  • Substantially extended practical service life
  • Reduced need for maintenance

Applications

  • Electric motors
  • Motorcycles
  • Transmissions

FAQ

Q. What applications is the SKF Explorer deep groove ball bearing suitable for?
A. It is suitable for electric motors, motorcycles, transmissions and similar applications.
Q. What are the features of the SKF Explorer deep groove ball bearing compared with conventional standard bearings?
A. Key features are higher dynamic load capacity, reduced noise and vibration levels, reduced frictional heat, substantially extended practical service life, and reduced need for maintenance.
Q. What are the dimensional standards and tolerance class of the SKF Explorer deep groove ball bearing?
A. Boundary dimensions conform to ISO 15, and snap ring grooves and snap ring dimensions conform to ISO 464. The standard tolerance class is Normal, with P6 or P5 available on request.
Q. What are the internal clearance and permissible misalignment of the SKF Explorer deep groove ball bearing?
A. The internal clearance is Normal; C2, C3, C4, C5 and others are subject to stock confirmation. The permissible misalignment angle is ≈ 2 to 10 minutes of arc.
Q. Can the SKF Explorer deep groove ball bearing use the same designation numbers as conventional standard bearings?
A. It uses the same designation system as conventional standard bearings and is marked with an asterisk in product tables.

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

Source documents

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