E Type Snap Ring

E type snap rings are commonly used in mechanical systems to prevent axial movement of bearings, gears, or shafts.Clients trust Xiaoguo® for its competitive pricing without compromising on material durability.

Model:DIN 6799-1981

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Product Description

This E type snap ring is an internal retaining ring,it come in different materials to fit different jobs. Stainless steel types like 304 or 316 are good for wet or chemical-heavy areas. The harder 410-grade steel holds up better under wear. Carbon steel rings are cheaper but still strong, especially with a rust-proof coating. Beryllium copper works for electrical jobs or flammable areas since it won’t spark. Plastic ones (like nylon) resist chemicals and cut down on noise in lighter setups. For really harsh factories, tougher metals like Hastelloy® or Monel® get used. Most of these materials are checked for safety and eco-rules (like RoHS), so they’re okay for regulated industries.

E type snap ring Structure diagram

Mon	Φ5	Φ6	Φ7	Φ8	Φ9	Φ10	Φ12	Φ15	Φ19	Φ24	Φ30
d max	5	6	7	8	9	10	12	15	19	24	30
d min	4.925	5.925	6.91	7.91	8.91	9.91	11.89	14.89	18.87	23.87	29.87
h max	0.72	0.72	0.92	1.03	1.13	1.23	1.33	1.53	1.78	2.03	2.53
h min	0.68	0.68	0.88	0.97	1.07	1.17	1.27	1.47	1.72	1.97	2.47
n max	4.158	5.308	5.888	6.578	7.688	8.378	10.52	12.68	15.99	21.964	25.884
n min	4.062	5.212	5.792	6.462	7.572	8.262	10.38	12.54	15.85	21.796	25.716
dc max	11.3	12.3	14.3	16.3	18.8	20.4	23.4	29.4	37.6	44.6	52.6

Regular inspection and maintenance

To make E type snap ring last longer, check them now and then for rust, cracks, or bending,especially in heavy-use machines. Keep their grooves clean so dirt doesn’t mess with how they fit. If there’s lots of rubbing, add grease to help things slide smoother.

When installing, avoid over-stretching or squishing them too hard,that weakens the ring over time. If you spot damage, swap them out. Store extras in a dry spot (not too hot or cold) to keep the material from degrading. Use snap ring pliers for safer handling.

Impact of environmental factors

Q: How do environmental factors like temperature or moisture impact internal retaining ring performance?

A:If you choose the wrong material, high heat or humidity can mess up E type snap ring.Carbon steel rings (the stronger ones) will rust in wet areas unless they have a rust-resistant coating. Stainless steels (such as the common 304/316 grades) resist moisture well but begin to lose strength above 400°C. Some stainless steels or specialty metals remain flexible at freezing temperatures. If chemicals such as acids or solvents are involved, choose a non-reactive coating (such as Teflon).

We have a professional team that can recommend suitable products based on usage scenarios and requirements, and also provide customized services.

Product Specifications and Grades

E Type Snap Ring has clear specification grades to meet different application needs, and the specifications are mainly determined by size, material and load-bearing capacity. In terms of size, the key parameters include inner diameter, outer diameter and thickness, with common inner diameter ranges from 3mm to 50mm for standard grades. These sizes are designed to match common shaft and hole dimensions in mechanical assemblies. Material grades are divided based on the base material, such as carbon steel grade (SWRM12) and stainless steel grade (SUS304, SUS316), where carbon steel grades are for general load scenarios and stainless steel grades for corrosion-resistant requirements. Load-bearing grades are classified according to the maximum axial load they can bear, with low-grade (up to 500N) for light-load equipment like small motors, and high-grade (over 2000N) for heavy machinery like automotive transmissions. Each specification grade is marked on the product packaging, and users need to select the appropriate grade based on the specific assembly requirements and operating conditions.