SKF SIQG 40 ES spherical plain bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Spherical plain bearings and rod ends
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Description
SKF SIQG 40 ES belongs to spherical plain 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 SIQG 40 ES and any equivalents.
SKF SIQG ES radial spherical plain bearings are spherical joints designed for oscillating motion and angular misalignment in industrial equipment. They suit hydraulic cylinders, steering linkages, suspension systems and similar mechanisms that need smooth rotation under radial load. MR Industrial Accessories supplies this line and offers technical guidance to match the bearing to your housing and load conditions.
Reading the SIQG … ES code: SIQG denotes the series of radial spherical plain bearings with an inner thread and a steel cage. The ES suffix means elastomer seals are fitted on both sides. The middle number, seen from 16 through 80 in the range, gives the bore diameter of the inner ring in millimeters. So SIQG 25 ES has a 25 mm bore and double sealing. A higher number corresponds to a larger rod end bearing with greater load capacity.
Typical applications include hydraulic and pneumatic cylinders, steering arms, suspension on industrial vehicles, road machinery, agricultural equipment and systems that transmit oscillating motion. The sealed construction handles dusty, muddy or wet conditions where an open joint would deteriorate faster.
When selecting an SIQG ES, consider bore diameter, inner ring width, radial load and permissible misalignment angle. The ES seal is factory-fitted and needs no extra maintenance, but check that the housing chamfer is correct to avoid damaging the seal. Align the shafts during assembly and avoid impact on the rod end bearing; use appropriate tools. Initial lubrication is applied at the factory, and relubrication in service is possible if the design allows.
For equivalences, SKF SIQG ES rod ends generally interchange with other brands using the same dimensional designation, such as the GE..ES series or similar. Always confirm tolerances and sealing type before replacing. If unsure, send the complete part number and we will confirm the equivalent based on our experience.
MR Industrial Accessories supplies SKF rod end bearings. If you need a SIQG 32 ES or another size in the series, message us on WhatsApp with the part number and we will provide a quote.
Dimensions
Dimensions and tolerances: Message us the part number on WhatsApp and we'll verify its dimensions and version with the manufacturer's datasheet.
Frequently asked questions
- What does the ES suffix mean on an SIQG rod end bearing?
- ES indicates elastomer seals on both sides. This protects the joint from dust, water and contaminants, which helps extend service life in tough environments and reduces maintenance needs.
- How do I choose the right size of SIQG ES rod end bearing?
- The number in the designation, such as 25 in SIQG 25 ES, is the bore diameter in millimeters. Select based on your shaft or pin diameter and check the radial load requirement. Contact us if you need help.
- Are SKF SIQG ES rod end bearings interchangeable with other brands?
- In most cases they interchange with other brands that follow the same dimensions and tolerances. Verify diameter, width and sealing type. Send us the part number and we will advise you.