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Precision angular contact ball bearing, steel rings and balls · SKF 7208 ACD/P4A
SKF 7208 ACD/P4A angular contact ball bearing

SKFBrand we market

SKF 7208 ACD/P4A angular contact ball bearing

Manufacturer Part Number7208 ACD/P4ADimensions: 40 x 80 x 18 mm (d x D x B)Other bearings 40 x 80 x 18 mm →Also searched as: 7208ACD/P4A · 7208-ACD/P4ASKF 72 series: dimension table →
Brand
SKF
Category
Bearings
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Since 1945 · Martínez, Buenos Aires, Argentina

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How to read SKF 7208 ACD/P4A

72Series
Angular contact ball bearings, 72 series. For the same bore, each series has a different outside diameter and width.
08Bore
40 mm bore: 08 × 5.
ACD/P4ASuffix
SKF suffix: it defines the variant (sealing, cage, internal clearance or other features).

7208 is the standard (ISO) basic designation: it defines the type, the series and the bore.

Description

The SKF 7208 ACD/P4A bearing has a 40 mm bore, a 80 mm outside diameter and a 18 mm width (40 x 80 x 18 mm).

SKF 7208 ACD/P4A is a reference of angular contact ball bearing, within Bearings. Request a quote for 7208 ACD/P4A via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

SKF 70 series angular contact bearings are high-precision components designed to support combined radial and axial loads in one direction. Their single-row design with a contact angle enables high speeds and rigidity, making them ideal for applications requiring accuracy and reliability, such as machine tool spindles, pumps and compressors. At MR Accesorios Industriales we carry this line.

The designation of these bearings follows a standardized system. For example, in 7001 ACD/P4A, the prefix 70 indicates the diameter series (series 70, thin section), followed by a number indicating the size. The suffix ACD defines the 25° contact angle and the internal polyamide cage design. The slash / separates the basic designation from the precision specifications: P4A corresponds to the dimensional and running accuracy class according to standard, suitable for high demands. Other examples such as 7002 ACD/P4A or 7008 ACD/P4A share the same logic, varying only in size.

These bearings are used in applications where precision and combined load capacity are critical. In Argentine industry, they are common in milling machine, grinding machine and machining center spindles, as well as in high-pressure pumps, screw compressors and precision transmission equipment. They are also used in aerospace and medical applications, where accuracy and reliability are essential. Their angular contact design makes them suitable for supporting axial loads in one direction, so they are frequently mounted in pairs or sets to handle loads in both directions.

To correctly select an angular contact bearing, it is essential to consider axial and radial load, operating speed and required rigidity. Mounting must ensure precise alignment between shaft and housing, since these bearings are sensitive to misalignment. Proper lubrication, whether grease or oil, is crucial to dissipate heat and extend service life. Sealing or shields must be chosen according to the environment: for contaminated environments, seals or shields are recommended. In addition, internal clearance and preload must be adjusted according to the application to avoid vibration and ensure precision.

Regarding equivalences and interchangeability, SKF 70 series angular contact bearings can be replaced by products from other brands that follow the same standardized dimensions and precision class. However, it is important to verify tolerances and contact angle, as they may vary between manufacturers. Always consult the technical specifications and operating conditions before replacing a bearing. At MR Accesorios Industriales we can advise you on compatibility and available options.

To obtain a quote for these bearings, we invite you to send us the exact part number via WhatsApp. Our technical team will respond promptly with the information you need. At MR Accesorios Industriales we have extensive knowledge in bearings and power transmission to provide you with the best service.

Dimensions

Boundary dimensions of the basic designation 7208 per ISO 15: 40 x 80 x 18 mm (d x D x B).

Bore
40mm
Outside diameter (D)
80mm
Width (B)
18mm

The same size in other brands

Pages from other brands with the basic designation 7208: 40 x 80 x 18 mm (d x D x B) per ISO 15.

They share the boundary dimensions set by ISO 15, not the technical data: seals or shields, internal clearance, cage and load rating can differ by brand and suffix. We quote each one by its full part number.

Frequently Asked Questions

What are the dimensions of the SKF 7208 ACD/P4A bearing?
The SKF 7208 ACD/P4A bearing has a 40 mm bore, a 80 mm outside diameter and a 18 mm width (40 x 80 x 18 mm). These are the standardised boundary dimensions (ISO 15) of the basic designation 7208.
What does the ACD suffix mean on an SKF bearing?
The ACD suffix indicates a 25° contact angle and an internal design with a polyamide cage. This influences the axial load capacity and the maximum speed the bearing can withstand.
Can I mount these bearings in pairs?
Yes, it is common to mount them in pairs, whether in back-to-back, face-to-face or tandem arrangement, to handle axial loads in both directions and increase the rigidity of the assembly.
What precision does the P4A class have?
The P4A class corresponds to high dimensional and running accuracy, with reduced tolerances. It is suitable for applications requiring accuracy, such as machine tool spindles.
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