SKF 2317 M/C3 self-aligning ball bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Self-aligning ball bearings
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Decoding SKF 2317 M/C3
- 23Series
- Self-aligning ball bearings, 23 series. Series differ in outside diameter and width even when the bore is the same.
- 17Bore
- Bore 85 mm (17 × 5).
- M/C3Suffix
- SKF suffix: identifies the variant, such as seals or shields, cage, internal clearance or other features.
2317 is the standard ISO basic designation, which sets the bearing type, series and bore.
Description
SKF 2317 M/C3 measures 85 mm across the bore and 180 mm across the outside diameter; its width is 60 mm (85 x 180 x 60 mm).
SKF 2317 M/C3 belongs to self-aligning 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 2317 M/C3 and any equivalents.
SKF self-aligning ball bearings in series 22 and 23 are double-row units with a spherical raceway in the outer ring. This design lets the bearing adjust itself when the shaft and housing are not perfectly aligned. They are common in fans, pumps, conveyors and agricultural equipment. MR Industrial Accessories supplies this line and can help you pin down the right part number.
Reading the designation is straightforward. The first two digits give the dimension series: 22 is the lighter section, 23 the heavier one. A letter M means the cage is machined brass, which suits more demanding running conditions. The suffix /C3 signals internal radial clearance above standard, which is useful when the fit or the operating temperature causes expansion. Take 2312 M/C3: a series 23 self-aligning ball bearing with brass cage and C3 clearance.
These bearings fit equipment where shaft deflection or mounting difficulties are present. Centrifugal fans, centrifugal pumps, conveyor belts, vibrating screens, agricultural machinery and process equipment are typical examples. Belt drives where tension can nudge the shafts out of line also benefit. The self-aligning action lowers the chance of early failure caused by imperfect mounting.
Selection starts with the load. These bearings take radial loads and moderate axial loads in both directions. Choose C3 clearance when the fit is tight or when thermal gradients are expected. Lubrication must match speed and environment, whether grease or oil. Check initial alignment and sealing, particularly in dusty or damp locations. Use the correct tools during mounting to avoid damaging the rings.
On equivalences, SKF self-aligning ball bearings can be exchanged with other brands that share the same dimensional designation, such as FAG, NSK or NTN. Always confirm the cage and clearance suffixes, since nomenclature differs between manufacturers. Interchangeability is dimensional; performance can vary from one maker to another. Reach out if you need to replace an existing part number.
If you have the part number of your SKF self-aligning ball bearing, send it by WhatsApp to MR Industrial Accessories and we will quote it. If you do not have it handy, we can help identify it from the shaft and housing dimensions. We give technical advice without the runaround.
Dimensions
85 x 180 x 60 mm (d x D x B): boundary dimensions for basic designation 2317, according to ISO 15.
- Bore
- 85mm
- Outside diameter (D)
- 180mm
- Width (B)
- 60mm
Same size, other brands
Other brands' pages with basic designation 2317: 85 x 180 x 60 mm (d x D x B) per ISO 15.
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 2317 M/C3 bearing: what are its dimensions?
- SKF 2317 M/C3 measures 85 mm across the bore and 180 mm across the outside diameter; its width is 60 mm (85 x 180 x 60 mm). Those are the boundary dimensions standardized in ISO 15 for basic designation 2317.
- What does the C3 suffix mean in an SKF self-aligning ball bearing?
- C3 indicates internal radial clearance above standard. It is specified when interference fits or operating temperatures can close up the clearance, which would preload the bearing and lead to premature failure.
- Can I replace an SKF self-aligning ball bearing with one from another brand?
- Yes, provided the main dimensions and the cage and clearance type are the same. The dimensional designation is often compatible across brands, but suffixes may differ. Contact us and we will help you validate the equivalence.
- How do I know if I need a self-aligning ball bearing instead of a deep groove ball bearing?
- If the shaft can become misaligned because of deflection, mounting or thermal expansion, a self-aligning bearing compensates for those deviations. When alignment is perfect and loads are normal, a deep groove ball bearing may be sufficient and more economical.