RETAINING RINGS - EXTERNAL

E-RINGS - LOCKING (EFC 17R808)

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RETAINING RINGS - EXTERNAL - E LOCKING

Product Description

The E-Ring is perhaps the most popular and widely used radial retaining ring (so named because it is shaped like the letter "E"). E Rings have large "shoulders" and are ideal on small diameter shafts. The three prongs make contact with the bottom of the groove for effective retention.

Note: Hand Tools and Pneumatic Tools for installation are available. Please contact EFC-International directly for information.

Features and Benefits

The Locking External E- Ring features two prongs which extend from the inner circumference to the open end, locking the ring firmly in the groove. It has a bowed design, which eliminates "play" in an assembly.

MATERIALS:
Carbon Spring Steel (SAE 1060-1090/UNS G10600-G10900) High strength and reliability; Austempered to eliminate brittleness and ensure strength,
Stainless Steel (Armco PH 15-7 Mo) Extra strength; Corrosion-Resistant; Prevents atmospheric oxidation up to 900 degrees F; Minimal distortion; High ultimate tensile strength of 225,000 psi; High creep strength
Beryllium Copper (Alloy #25/UNS C17200) Conductivity; Excellent corrosion resistance, especially in sea air and sea water atmospheres

FINISHES:
Plain (No finish)
Phosphate Coating ( Carbon Steel Retaining Rings)
Zinc Plating (yellow dichromate post plating finish - 96 hour salt spray protection)
Mechanical Zinc Plating (For SAE 1060-1090 steel rings - eliminates hydrogen embrittlement)
Zinc Dichromate Lacquer (Corrosion protection of up to 240 hours of salt spray protection)

EFC 17r808

EFC Part Number	Availability	SHAFT DIAM (IN)	GROOVE SIZE DIAM (IN)	GROOVE SIZE WIDTH (IN)	GROOVE SIZE DEPTH (IN)	RING SIZE LENGTH (IN)	RING SIZE THICKNESS (IN)	RING SIZE BOW HEIGHT (IN)	RING SIZE GAP (IN)	CLEARANCE RELEASE IN GROOVE (IN)
E17R08080001	Call for Quote	.092	.061	.035	.016	.307	.010	.050	.063	.370
E17R08080002	Call for Quote	.125	.082	.035	.021	.307	.010	.050	.086	.370
E17R08080003	Call for Quote	.188	.124	.045	.032	.390	.015	.060	.130	.480
E17R08080004	Call for Quote	.250	.165	.055	.042	.500	.015	.070	.172	.620
E17R08080005	Call for Quote	.312	.228	.080	.042	.620	.015	.095	.234	.790
E17R08080006	Call for Quote	.375	.270	.095	.052	.740	.020	.130	.280	.940

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RETAINING RINGS - EXTERNAL - E LOCKING

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Features and Benefits

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