SKF 7004 ACD/PA9ADBC angular contact ball bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Angular contact ball bearings
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Decoding SKF 7004 ACD/PA9ADBC
- 70Series
- Angular contact ball bearings, 70 series. Series differ in outside diameter and width even when the bore is the same.
- 04Bore
- Bore 20 mm (04 × 5).
- ACD/PA9ADBCSuffix
- SKF suffix: identifies the variant, such as seals or shields, cage, internal clearance or other features.
7004 is the standard ISO basic designation, which sets the bearing type, series and bore.
Description
SKF 7004 ACD/PA9ADBC 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 7004 ACD/PA9ADBC and any equivalents.
Angular contact bearings from SKF handle radial and axial forces at the same time. The raceways are positioned at an angle, which increases the axial capacity in one direction. Equipment that needs precision and rigidity, such as machine tool spindles, pumps and gearboxes, commonly uses these bearings. MR Industrial Accessories LLC supplies this line to customers throughout the United States and in several Latin American countries, and our team can help you match the bearing to your application.
The part number tells you a lot about the bearing. Take 7004 ACD/PA9ADBC: the first digits give the size and series. ACD means a 25° contact angle and an optimized design. PA9 covers the precision class and internal clearance. ADBC describes a pair of universally matched bearings, arranged for tandem or face-to-face mounting. Reading these codes correctly is the first step in selecting the right unit.
These bearings appear in machine tool spindles, process centrifugal pumps, screw compressors and high-speed gearboxes. They also serve mining equipment and food processing lines, where cleanliness and corrosion resistance matter. Because they take combined loads, they fit many industrial positions.
Load direction and magnitude, rotation speed and the surrounding environment all affect the choice. Open bearings need external lubrication and may require extra seals; sealed versions give more protection. Set internal clearance to suit the application—too much clearance costs precision, too little can cause overheating. Shaft and housing alignment must be correct to prevent parasitic loads. Use a lubricant that matches the operating temperature and speed.
SKF angular contact bearings can be interchanged with other brands that share the same standardized dimensions. Suffix designations, however, differ from one maker to another, so verify the technical data before replacing. Contact angle, precision and internal clearance may not match. A specialist can confirm compatibility.
To request a quote, send the complete code by WhatsApp or email. MR Industrial Accessories LLC will reply promptly and can suggest equivalents or help you choose the right bearing.
Dimensions
- Bore
- 20mm
Frequently asked questions
- What does the ACD suffix mean on an SKF bearing?
- ACD indicates a 25° contact angle and an optimized design with a polyamide cage. This supports higher axial loads in one direction and is common in high-precision applications.
- How do I choose between a sealed and an open bearing?
- If dust or moisture is present, a sealed bearing provides greater protection. Open bearings require external lubrication and suit applications where maintenance access is easy.
- Can I replace an SKF bearing with another brand?
- Yes, if the dimensions and specifications match. Check contact angle, precision and internal clearance, as these can vary between manufacturers. Consult us with the original code for advice.