
SKF 7011 ACD/P4ATBTA 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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Ask us about alternatives. Equivalence is verified for each reference and application.
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How to read SKF 7011 ACD/P4ATBTA
- 70Series
- Angular contact ball bearings, 70 series. For the same bore, each series has a different outside diameter and width.
- 11Bore
- 55 mm bore: 11 × 5.
- ACD/P4ATBTASuffix
- SKF suffix: it defines the variant (sealing, cage, internal clearance or other features).
7011 is the standard (ISO) basic designation: it defines the type, the series and the bore.
Description
SKF 7011 ACD/P4ATBTA is a reference of angular contact ball bearing, within Bearings. Request a quote for 7011 ACD/P4ATBTA via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.
SKF ACD/P4ATBTA series angular contact bearings are high-precision components designed to support combined radial and axial loads in applications where accuracy and rigidity are critical. They are used in machine tool spindles, grinding machine heads and measuring equipment, among others. MR Accesorios Industriales supplies this line as a brand for the Argentine industrial market.
The designation of these bearings is interpreted as follows: the base number, for example 7011, indicates the size and dimension series; ACD defines the contact angle and the high-capacity internal design; P4 specifies the precision class; ATBTA indicates the universal arrangement and axial clearance. In the examples 7011 ACD/P4ATBTA and 7208 ACD/P4ATBTA, the numeric prefix changes according to diameter and series, but the suffix remains to ensure mounting in pre-adjusted pairs or sets.
These bearings are used in milling machine, grinding machine and machining center spindles, where high speed and rigidity are required. They also appear in boring machine heads, precision rotary tables and metrology equipment. In Argentine industry, they are common in the automotive, aerospace and machine tool sectors, as well as in production plants that need dimensional repeatability in their processes.
To select the right bearing, take into account the axial and radial load, the rotation speed and the required rigidity. Mounting must be carried out with careful alignment and adequate lubrication, whether grease or oil, depending on the application. Sealing and axial clearance are key factors: incorrect clearance can generate vibrations or overheating. Respect the mounting tolerances and verify the tightening torque of the lock nuts.
Regarding equivalences, high-precision angular contact bearings are interchangeable between manufacturers if dimensions, contact angle and precision class match. However, designations vary: what SKF identifies as ACD/P4ATBTA may have a different part number in other brands. Always verify the complete part number and technical specifications before replacing one bearing with another.
If you need a quote for an SKF angular contact bearing of this series, send us the complete part number by WhatsApp to MR Accesorios Industriales. We will advise you so you choose the right option for your application and we will provide the technical information you need.
Dimensions
- Bore
- 55mm
Frequently Asked Questions
- What does the suffix ACD/P4ATBTA mean on an SKF bearing?
- ACD indicates the high-capacity design and contact angle; P4 is the precision class; ATBTA defines the universal arrangement and pre-adjusted axial clearance. Together, they identify a bearing ready for mounting in pairs or sets with high accuracy.
- In what applications is this type of bearing recommended?
- It is used in machine tool spindles, grinding machine heads, rotary tables and measuring equipment. They are ideal where radial and axial loads are combined with high speed and rigidity requirements.
- How do I request a quote for these bearings from MR?
- Send the complete bearing part number by WhatsApp to MR Accesorios Industriales. We will reply with the technical information and the corresponding quote.

