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Single row angular contact ball bearing · SKF 71940 ACD/P4ATBTC
Angular contact ball bearing SKF 71940 ACD/P4ATBTC

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Angular contact ball bearing SKF 71940 ACD/P4ATBTC

Manufacturer Part Number
71940 ACD/P4ATBTC
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.

SKF

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Description

SKF 71940 ACD/P4ATBTC is a angular contact ball bearing reference, within Bearings. Request a quote for 71940 ACD/P4ATBTC 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 support combined radial and axial loads in a single direction. Their angular contact raceway design allows high speeds and rigidity, making them ideal for applications requiring accuracy and durability. At MR Accesorios Industriales we supply the official brand SKF, with more than 80 years of experience in the industry.

The designation of these bearings follows a standardized system. For example, in 7020 ACD/P4ATBTC, the prefix 70 indicates the dimension series, 20 the size code, ACD the contact angle and internal design, P4A the precision class, and TBTC the set type (universal triplex). In 71940 ACD/P4ATBTC, 719 corresponds to the thin-section series. These suffixes provide information on key characteristics such as precision, arrangement and load capacity.

These bearings are used in machine tool spindles, pumps, compressors, electric motors and power transmission equipment. In Argentine industry, they are common in metalworking, automotive and food applications, where high precision and reliability are required. Their ability to support combined loads makes them suitable for tandem, back-to-back or face-to-face arrangements, depending on the equipment configuration.

To select correctly, consider the magnitude and direction of the loads, the rotational speed and the environmental conditions. Sealing or protection is crucial: open bearings require external lubrication and cleanliness, while sealed versions offer greater lubricant retention. Internal clearance and preload must be adjusted according to the application. During mounting, ensure precise alignment and avoid impacts that damage the raceways. Proper lubrication extends service life.

Regarding equivalences, SKF angular contact bearings can be interchanged with those from other brands that follow the same dimensional and precision designation, such as FAG, NSK or NTN, but always verify the tolerances and contact angle. Not all suffixes are equivalent between manufacturers. For replacements, it is essential to compare the technical specifications and consult a specialist to avoid premature failures.

To obtain the right bearing, send the complete part number by WhatsApp to MR Accesorios Industriales. Our technical team will advise you and provide a quote with no obligation. With more than 80 years of experience, we guarantee personalized service and quality products.

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 ACD suffix mean in an SKF bearing?
ACD indicates an internal design with a 25° contact angle and a glass fiber reinforced polyamide cage. This influences axial load capacity and limiting speed. For specific applications, consult the data sheet or contact us.
How are angular contact bearings mounted?
They are generally mounted in pairs, in tandem, back-to-back or face-to-face arrangement, depending on the direction of the loads. It is crucial to follow the manufacturer's instructions for preload and alignment. Incorrect mounting can reduce service life.
Are they interchangeable with other brands?
They can be interchangeable if the dimensions and precision class match, but always verify the contact angle and suffixes. Brands such as FAG or NSK have their own designations. Contact us to validate the exact equivalence.
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