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Angular contact ball bearing SKF 71920 ACD/HCP4A
- Manufacturer Part Number
- 71920 ACD/HCP4A
- Brand
- SKFOfficial brand
- Category
- Bearings
- Subcategory
- Angular contact ball bearings
Other brands in this family
- FAG
- NTN
- TIMKEN
Ask us about alternatives. Equivalence is verified for each reference and application.
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Description
SKF 71920 ACD/HCP4A is a angular contact ball bearing reference, within Bearings. Request a quote for 71920 ACD/HCP4A via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.
SKF angular contact bearings are precision components designed to withstand combined radial and axial loads in a single direction. Their contact angle design allows high speeds and rigidity, ideal for machine tool spindles, pumps and compressors. At MR Accesorios Industriales we supply this line for applications that demand accuracy and reliability.
The designation of this series is interpreted as follows: the base number indicates the size, the letters ACD define the contact angle and internal design, HC indicates that the balls are ceramic (hybrid), P4A corresponds to the precision class for high demands. For example, 7013 ACD/HCP4A and 71920 ACD/HCP4A share these characteristics. Knowing these suffixes is key to choosing the correct bearing for the application.
These bearings are used in spindles of milling machines, grinding machines and machining centers, where speed and precision are critical. Also in high-pressure pumps, screw compressors and transmission equipment. In Argentina, industries such as automotive, metalworking and food processing use them to improve the performance and service life of their machines. MR Accesorios Industriales supplies them throughout the country.
To select the right bearing, take into account the axial and radial load, the rotational speed and the environmental conditions. Mounting requires extreme cleanliness, precise alignment and adequate lubrication; in many cases pairs of bearings are used in back-to-back or face-to-face arrangement. Sealing and internal clearance also influence performance. Always consult the technical specifications before installing.
Regarding equivalences, SKF angular contact bearings can be interchanged with those of other recognized brands, as long as dimensions, contact angle and precision class match. However, verify tolerances and internal design, as small differences affect operation. For replacements, it is advisable to compare complete designations and consult a specialist.
If you need to request a quote for SKF angular contact bearings or their equivalents, contact us on WhatsApp. At MR Accesorios Industriales we advise you so you find the most suitable technical solution. Send the part number or dimensions and we will respond shortly.
This description provides guidance on the product type. Check the configuration and dimensions of this reference.
Dimensions
Dimensions and tolerances: Send us the part number via WhatsApp and we'll confirm dimensions, sealing, and internal clearance against the manufacturer's data sheet.
Frequently Asked Questions
- What does the designation ACD/HCP4A mean in an SKF bearing?
- ACD indicates a 25° contact angle and optimized design; HC indicates ceramic balls; P4A is the precision class for high speeds. These suffixes define key characteristics for demanding applications.
- When is it better to use an angular contact bearing instead of a radial one?
- When there are significant axial loads combined with radial loads, or when high precision and speed are required. Angular contact bearings better withstand these conditions in one direction.
- How are these bearings correctly mounted?
- They are mounted with precise alignment, rigorous cleanliness and adequate lubrication. They are frequently used in pairs with preload. Follow the manufacturer's instructions and consult a specialist if you have doubts.

