SKF 7011 ACD/P4ADGB angular contact ball bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Angular contact ball bearings
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Decoding SKF 7011 ACD/P4ADGB
- 70Series
- Angular contact ball bearings, 70 series. Series differ in outside diameter and width even when the bore is the same.
- 11Bore
- Bore 55 mm (11 × 5).
- ACD/P4ADGBSuffix
- SKF suffix: identifies the variant, such as seals or shields, cage, internal clearance or other features.
7011 is the standard ISO basic designation, which sets the bearing type, series and bore.
Description
SKF 7011 ACD/P4ADGB belongs to angular contact ball bearing, part of our Bearings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for 7011 ACD/P4ADGB and any equivalents.
For machine tool spindles and other high-speed assemblies that demand rigidity and accuracy, the SKF ACD/P4ADGB series delivers. These are precision angular contact ball bearings supplied as universal sets of two, arranged in tandem or face-to-face. They handle combined radial and axial loads, making them a common choice for grinding heads, machining centers and similar equipment.
Reading the code helps you confirm what you are ordering. ACD refers to a 25° contact angle and a polyamide cage, a design intended for substantial axial loads. P4 is the precision class, comparable to ISO 4, with tighter roundness and clearance control. ADGB tells you the package is a universal set of two bearings with light preload, ready to mount in tandem or face-to-face. The part number itself carries the bore diameter and dimension series.
Typical installations include milling and grinding spindles, machining centers, precision drill heads, high-frequency motor shafts and measuring equipment. In these positions the shaft must be guided accurately while the bearing carries combined loads, so rigidity and repeatability matter as much as speed.
Selection comes down to axial and radial load, maximum speed and required rigidity. During mounting, work in a clean environment, align components precisely and use the lubrication called for by the spindle design, typically high-speed grease or oil. Respect the preload specified for the ADGB set. Bearings may be open or fitted with protective plates depending on the working environment. Keep an eye on cooling and axial clearance to avoid overheating, and verify lock nut torque and housing concentricity.
When cross-referencing, ISO designations allow comparison between brands: bore diameter, dimension series and contact angle must match. An SKF ACD bearing may have counterparts in other brands with similar suffixes, but precision class, clearance and cage type can differ. Always compare those three points before substituting.
To request a quote, send the complete part number by WhatsApp or email. The team can suggest equivalents and help you select the right configuration. MR also manufactures split plummer block housings, roller chains and sheaves.
Dimensions
- Bore
- 55mm
Frequently asked questions
- What does the ADGB suffix indicate on an SKF bearing?
- ADGB means the item is a universal set of two angular contact bearings, mounted in tandem or face-to-face, with light preload. This arrangement simplifies mounting and provides rigidity.
- Where is the ACD/P4ADGB series typically used?
- It suits machine tool spindles, grinding machine heads and high-speed equipment that require precision and combined load capacity, especially where the shaft must be guided accurately.
- How do I decide between a single bearing and an ADGB set?
- Choose the ADGB set when you need high rigidity and fast mounting. For simpler applications, a single bearing may be enough. Share your load and speed data and we can help you choose.