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Double row self-aligning ball bearing · SKF 1217 K
Self-aligning ball bearing SKF 1217 K

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Self-aligning ball bearing SKF 1217 K

Manufacturer Part Number
1217 K
Brand
SKFOfficial brand
Category
Bearings
Subcategory
Self-aligning ball bearings

Other brands in this family

  • FAG
  • NTN
  • TIMKEN

Ask us about alternatives. Equivalence is verified for each reference and application.

SKF

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Description

SKF 1217 K is a self-aligning ball bearing reference, within Bearings. Request a quote for 1217 K via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The SKF self-aligning ball bearing of the 12 series with the K suffix is a double-row ball bearing with a spherical outer ring, which allows it to self-align and compensate for angular misalignment between shaft and housing. It is used in applications where the shaft can flex or where mounting is not perfectly coaxial, such as fans, pumps, conveyors and agricultural machinery. Its robust design and its ability to withstand radial loads and moderate axial loads make it a reliable choice for industrial equipment.

The designation of the 12 K series reads as follows: the number 12 indicates the medium-section self-aligning ball bearing series, and the K suffix indicates that the bore is tapered (taper 1:12). For example, a 1211 K has a tapered bore that makes mounting easier on shafts with an adapter sleeve. Other suffixes may indicate a steel cage, special internal clearance or heat treatment, but they are not specified in this record. Always check the complete part number to ensure the correct variant.

These bearings are used in industries such as food, chemical, cement and agricultural. They are common in industrial fans, centrifugal pumps, belt conveyors, mixers and process equipment where there is misalignment due to shaft flexing or mounting on welded structures. In Argentina, they are found in milling plants, meatpacking plants and animal feed factories, where cleanliness and resistance to contamination are important.

To select an SKF series 12 K self-aligning ball bearing, take into account the radial and axial load it must withstand, the rotation speed and the environmental conditions. The tapered bore requires a suitable mounting sleeve or a shaft with a 1:12 taper; check the concentricity and the tightening. Lubrication must be suitable for the temperature and speed; in humid or dusty environments, choose seals or protectors. Initial alignment is not critical thanks to the self-aligning capability, but correct mounting extends service life.

As for equivalents, self-aligning ball bearings of the 12 series with tapered bore are manufactured under international standards, so different brands offer products that are interchangeable in dimensions and capacities. However, not all suffixes match between manufacturers; for example, the cage or clearance code may vary. Always check the complete part number and the technical specifications before replacing one bearing with another of a different brand. MR Accesorios Industriales sells SKF as an official brand.

If you need an SKF series 12 K self-aligning ball bearing, send us the part number by WhatsApp at MR Accesorios Industriales. We will quote the exact variant your equipment requires and advise you on mounting and lubrication. With more than 80 years in the market, at MR Accesorios Industriales we know bearings and can help you choose the correct replacement part so that your machine keeps running.

This description provides guidance on the product type. Check the configuration and dimensions of this reference.

Dimensions

Dimensions and tolerances: Send us the part number via WhatsApp and we'll confirm dimensions, sealing, and internal clearance against the manufacturer's data sheet.

Frequently Asked Questions

What does the K suffix mean in an SKF series 12 bearing?
The K suffix indicates that the bearing bore is tapered with a 1:12 taper. This allows it to be mounted on a tapered shaft or with an adapter sleeve, which makes adjustment and disassembly easier. It is important to use the appropriate sleeve to ensure correct tightening.
Where are SKF series 12 K self-aligning ball bearings used?
They are used in applications where there is angular misalignment or shaft flexing, such as fans, pumps, conveyors and agricultural machinery. They are common in the food, chemical and cement industries. Their self-aligning capability reduces wear and extends bearing service life.
How do I know if I can replace a self-aligning ball bearing with one from another brand?
Series 12 self-aligning ball bearings with tapered bore follow international standards, so the main dimensions are interchangeable between brands. But the suffixes that indicate cage, clearance or sealing may vary. Always check the complete part number and the specifications before replacing.
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