SKF 2205 E-2RS1TN9 self-aligning ball bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Self-aligning ball bearings
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Decoding SKF 2205 E-2RS1TN9
- 22Series
- Self-aligning ball bearings, 22 series. Series differ in outside diameter and width even when the bore is the same.
- 05Bore
- Bore 25 mm (05 × 5).
- E-2RS1TN9Suffix
- SKF suffix: identifies the variant, such as seals or shields, cage, internal clearance or other features.
2205 is the standard ISO basic designation, which sets the bearing type, series and bore.
Description
SKF 2205 E-2RS1TN9 measures 25 mm across the bore and 52 mm across the outside diameter; its width is 18 mm (25 x 52 x 18 mm).
SKF 2205 E-2RS1TN9 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 2205 E-2RS1TN9 and any equivalents.
SKF series 22 self-aligning ball bearings are double-row bearings with a spherical raceway in the outer ring. This design lets them compensate for angular misalignment and shaft deflection, making them suitable for equipment where alignment is not perfect. MR Industrial Accessories supplies this series with sealing and polyamide cage.
The part number breaks down into three parts. The base number gives the size and load capacity. The E suffix means an optimized internal design with higher capacity. The 2RS1 suffix indicates contact rubber seals on both sides, which keep lubricant in and contaminants out. The TN9 suffix identifies a glass fiber reinforced polyamide cage, appropriate for high speeds and moderate temperatures.
Typical applications include conveyors, fans, centrifugal pumps, textile machines, bottling equipment and mixers. These are often found in food, chemical and water treatment plants. The self-aligning feature lowers the risk of premature failure when shafts flex or housings are not perfectly aligned, and the 2RS1 sealing handles environments with moderate dust or humidity.
When selecting, consider radial and axial loads, rotation speed and the operating environment. The 2RS1 sealing is factory lubricated and needs no additional maintenance. For high temperatures or high speeds, a metal cage may be a better choice. During mounting, achieve reasonable initial alignment; although the bearing compensates for misalignment, excessive angles shorten its life. Avoid striking the rings and check that shaft and housing tolerances are correct.
SKF series 22 self-aligning ball bearings can be interchanged with other brands that follow the same dimensional designation, such as FAG, NSK or NTN, provided the type, dimensions and sealing match. Always verify tolerances and load capacity, as these can vary between manufacturers. For replacements, compare the complete part number and service conditions. If unsure, send us the original part number.
To replace a self-aligning ball bearing or for new assembly, send the complete part number via WhatsApp or email. Our team helps you choose the correct variant and provides a quote. We supply SKF and other alternatives to meet your technical needs.
Dimensions
25 x 52 x 18 mm (d x D x B): boundary dimensions for basic designation 2205, according to ISO 15.
- Bore
- 25mm
- Outside diameter (D)
- 52mm
- Width (B)
- 18mm
Same size, other brands
Other brands' pages with basic designation 2205: 25 x 52 x 18 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 2205 E-2RS1TN9 bearing: what are its dimensions?
- SKF 2205 E-2RS1TN9 measures 25 mm across the bore and 52 mm across the outside diameter; its width is 18 mm (25 x 52 x 18 mm). Those are the boundary dimensions standardized in ISO 15 for basic designation 2205.
- What does the 2RS1 suffix mean on an SKF bearing?
- It means the bearing has contact rubber seals on both sides. These seals retain lubricant and block dust, water and contaminants, so no relubrication is needed. It is suitable for moderately aggressive environments.
- Does this bearing allow misalignment?
- Yes, self-aligning ball bearings compensate for angular misalignment between shaft and housing due to the spherical raceway in the outer ring. This reduces stress and extends service life in applications with flexible shafts or misaligned housings.
- Can I replace a bearing from another brand with this SKF one?
- Generally yes, if the main dimensions, sealing type and load capacity match. Verify the complete part number and operating conditions. Send us the original part number and we will help you find the right equivalent.