SKF 7217 CD/P4A angular contact ball bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Angular contact ball bearings
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Decoding SKF 7217 CD/P4A
- 72Series
- Angular contact ball bearings, 72 series. Series differ in outside diameter and width even when the bore is the same.
- 17Bore
- Bore 85 mm (17 × 5).
- CD/P4ASuffix
- SKF suffix: identifies the variant, such as seals or shields, cage, internal clearance or other features.
7217 is the standard ISO basic designation, which sets the bearing type, series and bore.
Description
SKF 7217 CD/P4A measures 85 mm across the bore and 150 mm across the outside diameter; its width is 28 mm (85 x 150 x 28 mm).
SKF 7217 CD/P4A 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 7217 CD/P4A and any equivalents.
The SKF CD/P4A line covers precision angular contact bearings built to carry radial and axial loads at the same time, in setups where rotational speed and running accuracy matter. Machine tool spindles, measuring instruments and positioning systems are typical homes for these bearings, and their angled raceway geometry lets them be arranged in pairs or sets when the assembly calls for extra rigidity.
Reading the code helps when you are picking a bearing for a spindle or a rebuild. The leading digits give the bore size within a diameter series, CD marks the angular contact layout with a 15° contact angle and a cage that is polyamide or brass depending on size, and /P4A is the precision class, meaning tight dimensional and running tolerances. So 7000 CD/P4A and 7005 CD/P4A follow the same pattern and differ only in their main dimensions.
Where do these bearings end up? Milling, grinding and machining center spindles are the classic case, since speed and accuracy decide the result. They also appear in precision drill heads, rotary tables, metrology equipment and robot drive systems. Automotive, aerospace, machine tool and medical equipment operations are the sectors that lean on this series most, because they need accuracy to hold up under demanding conditions.
Selection comes down to the axial and radial load the bearing has to take, the speed of rotation and the rigidity the system requires. Mounting needs precise alignment and the right preload, which can come from springs or from tandem-mounted pairs. Grease or oil lubrication is chosen according to speed and operating temperature. Seals or shields keep contamination out, though at high speeds an open bearing with oil lubrication is often the preferred route.
On interchangeability: precision angular contact bearings are made to international standards, so brands can be swapped as long as dimensions and precision class match. A CD/P4A bearing can give way to another with a similar designation and tolerance from a different maker, but check the contact angle, the cage and the internal clearance before you commit.
For an SKF angular contact bearing in the CD/P4A series, send the complete part number to MR by WhatsApp or email. The team can point you toward equivalents and help you confirm the right choice for the application.
Dimensions
85 x 150 x 28 mm (d x D x B): boundary dimensions for basic designation 7217, according to ISO 15.
- Bore
- 85mm
- Outside diameter (D)
- 150mm
- Width (B)
- 28mm
Same size, other brands
Other brands' pages with basic designation 7217: 85 x 150 x 28 mm (d x D x B) per ISO 15.
- FAG7217-B-XL-JP7217-B-XL-TVP
- NSK7217 A7217 B7217 BEAT85
- NTN72177217B7217C
- RKB7217
- TIMKEN7217 B
What they share are the ISO 15 boundary dimensions, not the specs: seals or shields, internal clearance, cage and load rating may vary with brand and suffix. Every quote is by full part number.
Frequently asked questions
- SKF 7217 CD/P4A bearing: what are its dimensions?
- SKF 7217 CD/P4A measures 85 mm across the bore and 150 mm across the outside diameter; its width is 28 mm (85 x 150 x 28 mm). Those are the boundary dimensions standardized in ISO 15 for basic designation 7217.
- What does CD/P4A mean in an SKF bearing designation?
- CD stands for the angular contact design with a 15° contact angle and a polyamide or brass cage, depending on size. P4A is the precision class, with tighter dimensional and running tolerances. The pairing is common in machine tool spindles.
- How should precision angular contact bearings be mounted?
- They usually go in pairs or sets, with preload set by springs or tandem pairs. Alignment has to be exact and the lubrication matched to the speed. Following the manufacturer's instructions matters to avoid early failure.
- Can an SKF CD/P4A bearing be replaced by another brand?
- Yes, provided the dimensions, contact angle and precision class are respected. International standards allow interchange between brands, but it is worth confirming each case with a specialist so performance is not affected.