SKF 1215 K self-aligning ball bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Self-aligning ball bearings
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Other brands for this category
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Decoding SKF 1215 K
- 12Series
- Self-aligning ball bearings, 12 series. Series differ in outside diameter and width even when the bore is the same.
- 15Bore
- Bore 75 mm (15 × 5).
- KSuffix
- SKF suffix: identifies the variant, such as seals or shields, cage, internal clearance or other features.
1215 is the standard ISO basic designation, which sets the bearing type, series and bore.
Description
SKF 1215 K measures 75 mm across the bore and 130 mm across the outside diameter; its width is 25 mm (75 x 130 x 25 mm).
SKF 1215 K 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 1215 K and any equivalents.
When shafts flex or alignment between housing and shaft is less than perfect, a self-aligning ball bearing with a tapered bore can keep equipment running. The SKF series 12 K features a double-row design with a spherical outer ring that compensates for angular misalignment. The K suffix means the bore is tapered at 1:12, so it mounts easily on a tapered shaft or with an adapter sleeve. This makes it a practical choice for fans, pumps, conveyors and other industrial machinery where mounting conditions are not ideal.
Reading the part number helps you get the right bearing. The numeric portion identifies the self-aligning ball bearing series, while the K indicates the 1:12 tapered bore. For instance, a 1211 K has a tapered bore for use with an adapter sleeve. Other suffixes may denote a steel cage, special internal clearance or heat treatment. Always verify the complete designation to confirm the exact variant.
These bearings appear in food processing, chemical plants, cement operations and agricultural equipment. They are common in industrial fans, centrifugal pumps, belt conveyors, mixers and process machinery where misalignment comes from shaft deflection or mounting on welded frames. In milling plants, meat processing facilities and feed factories, they handle contamination and washdown when properly protected.
Selection depends on the radial and axial loads, rotational speed and operating environment. Because the bore is tapered, you need a suitable adapter sleeve or a shaft with a 1:12 taper; check concentricity and tightening. Lubrication must match temperature and speed; in humid or dusty conditions, use seals or shields. Self-alignment reduces the need for precise initial alignment, but correct mounting still extends service life.
Self-aligning ball bearings with tapered bore are made to international standards, so dimensions and capacities are interchangeable among brands. However, suffixes for cage, clearance or sealing may differ. Always compare the complete part number and technical data before substituting one brand for another. MR Industrial Accessories supplies SKF bearings and can help you confirm the correct replacement.
To request a quote for an SKF self-aligning ball bearing with K suffix, send the part number via WhatsApp or email to MR Industrial Accessories. The team responds promptly and can suggest equivalents or assist with mounting and lubrication questions. With experience in bearings and power transmission, we help you choose the right part to keep your operation running.
Dimensions
75 x 130 x 25 mm (d x D x B): boundary dimensions for basic designation 1215, according to ISO 15.
- Bore
- 75mm
- Outside diameter (D)
- 130mm
- Width (B)
- 25mm
Same size, other brands
Other brands' pages with basic designation 1215: 75 x 130 x 25 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 1215 K bearing: what are its dimensions?
- SKF 1215 K measures 75 mm across the bore and 130 mm across the outside diameter; its width is 25 mm (75 x 130 x 25 mm). Those are the boundary dimensions standardized in ISO 15 for basic designation 1215.
- What does the K suffix mean on an SKF self-aligning ball bearing?
- The K indicates a tapered bore with a 1:12 taper. This allows mounting on a tapered shaft or with an adapter sleeve, which simplifies installation and removal. Use the correct sleeve to ensure proper tightening.
- Where are SKF self-aligning ball bearings with K suffix used?
- They are found in applications with angular misalignment or shaft flexing, such as fans, pumps, conveyors and agricultural machinery. Common industries include food, chemical and cement. The self-aligning feature helps reduce wear and extend bearing life.
- Can I replace a self-aligning ball bearing with one from another brand?
- Self-aligning ball bearings with tapered bore follow international standards, so main dimensions are interchangeable. But suffixes for cage, clearance or sealing may vary. Always check the complete part number and specifications before replacing.