SKF 7004 ACD/PA9A angular contact ball bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Angular contact ball bearings
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Decoding SKF 7004 ACD/PA9A
- 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/PA9ASuffix
- 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/PA9A 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/PA9A and any equivalents.
SKF angular contact bearings are engineered to carry combined radial and axial loads in one direction. Their contact angle provides high speed capability and rigidity, which makes them a common choice where accuracy and dependable operation matter. 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 confirm the right bearing for your application.
The part number itself tells you most of what you need to know. Take 7004 ACD/PA9A: the digits 7004 identify the size and series, ACD describes the contact angle and internal design, and PA9A covers the precision tolerance and axial clearance. Reading the code this way speeds up identification. When you request a quote, send the complete designation so we can match it exactly.
These bearings suit assemblies that see combined loads and demand precision, such as machine tool spindles, pumps, compressors, gearboxes and transmission equipment. Because they run well at higher speeds, they are often specified where rigidity and dimensional accuracy are critical.
Selection depends on load direction, rotation speed and the operating environment. Bearings may be open or fitted with shield plates, and axial and radial clearance must be set for the application. Correct lubrication and accurate alignment during mounting are key to service life. In paired arrangements, follow the mounting order and preload specified for the assembly.
Cross-brand equivalents exist, but they are not universal. Manufacturers can differ in tolerances, contact angles and suffixes, so when evaluating a replacement, check internal clearance and precision class as well as the main dimensions. We can advise on interchangeability, though it is always worth validating against the original equipment specifications.
To get an accurate quote, send the full part number by WhatsApp or email. Our team replies promptly, can suggest equivalents and will help you choose the right bearing for the job.
Dimensions
- Bore
- 20mm
Frequently asked questions
- What does the ACD code mean on an SKF bearing?
- ACD indicates a design with a 25° contact angle and a polyamide cage, intended for axial loads in one direction. Keep this specification when replacing the bearing to maintain performance.
- Should I use an open or a sealed bearing?
- It depends on the working environment. Open bearings allow better lubrication and heat dissipation, while sealed bearings protect against contaminants. Review the operating conditions and contact us for a recommendation.
- Can an SKF bearing be replaced by another brand?
- Equivalents exist, but check dimensions, clearance and tolerance, since not all brands maintain the same specifications. We can advise you on finding a suitable option for your equipment.