
SKF 7020 ACDGA/P4A angular contact ball bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Angular contact ball bearings
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Since 1945 · Martínez, Buenos Aires, Argentina
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How to read SKF 7020 ACDGA/P4A
- 70Series
- Angular contact ball bearings, 70 series. For the same bore, each series has a different outside diameter and width.
- 20Bore
- 100 mm bore: 20 × 5.
- ACDGA/P4ASuffix
- SKF suffix: it defines the variant (sealing, cage, internal clearance or other features).
7020 is the standard (ISO) basic designation: it defines the type, the series and the bore.
Description
SKF 7020 ACDGA/P4A is a reference of angular contact ball bearing, within Bearings. Request a quote for 7020 ACDGA/P4A via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.
SKF ACDGA/P4A series angular contact bearings are precision components designed to withstand combined radial and axial loads in applications requiring high accuracy and rigidity. Their angular contact design allows paired and preloaded mountings, ideal for machine tool spindles, grinding machine heads and measuring equipment. MR Accesorios Industriales sells this line as part of its SKF bearing offering.
The ACDGA/P4A designation is interpreted as follows: the numeric prefix (for example, 7004, 7005) indicates the size and dimension series; ACD defines the contact angle and the internal design optimized for axial loads; GA indicates the standard axial clearance or preload; and /P4A specifies the precision class, equivalent to high-accuracy dimensional and running tolerance. Examples in the series, such as 7004 ACDGA/P4A or 7010 ACDGA/P4A, show the progression of sizes. This nomenclature allows the characteristics of each bearing to be identified quickly.
These bearings are used in machine tool spindles, grinding machine heads, boring machines, precision milling machines and metrology equipment. They are also present in the automotive industry, in transmission and differential gearboxes, and in aerospace applications. In Argentina, they are common in high-precision machining shops, automotive plants and testing laboratories. Their ability to withstand combined loads and maintain rigidity makes them suitable for mountings where accuracy is critical.
To correctly select an angular contact bearing, take into account the axial and radial load, the rotation speed and the required rigidity. The mounting must ensure precise alignment; the use of seals or shields is recommended if there is contamination. Proper lubrication, with grease or oil depending on the application, is essential for service life. The preload, defined by the GA suffix, must be respected to avoid overloads. In paired mountings, it is crucial to control preload and thermal expansion.
SKF angular contact bearings are interchangeable with those of other manufacturers that follow the same international designation, such as FAG, NSK or NTN, provided dimensions and tolerances match. However, precision classes and internal clearances may vary between brands, so it is advisable to verify the exact equivalence. MR Accesorios Industriales can advise you on compatibility and the options available in its catalogue.
If you need a quote for SKF ACDGA/P4A angular contact bearings, send the complete part number via WhatsApp to MR Accesorios Industriales. Our technical team will help you identify the right option for your application and answer any questions about mounting or interchangeability. We provide professional advice and fast responses.
Dimensions
- Bore
- 100mm
Frequently Asked Questions
- What does the ACDGA/P4A designation mean on an SKF bearing?
- ACD indicates the optimized angular contact design; GA, the standard axial clearance; and /P4A, the high precision class. The initial number defines the size. This nomenclature allows the technical characteristics of the bearing to be identified.
- For what applications are these bearings recommended?
- They are used in machine tool spindles, grinding machine heads, measuring equipment and automotive transmissions. They are ideal for combined loads and high precision.
- How are they correctly mounted and lubricated?
- Mounting requires precise alignment and, where possible, sealing to prevent contamination. Lubrication may be grease or oil depending on speed and load. Respect the preload indicated by the GA suffix.

