EN Series Retaining Rings

American Ring True Manufacturing Solutions

EN - External Notched Constant Section Ring

Industry Equivalents

Display Units: inches | metric

Part Number	Application Diameter (B)	Groove Diameter (G)	Groove Width (W)	Groove Depth	Ring Diameter (D)	Ring Thickness (t)	Ring Radial Wall (b)
EN-206	52.4	49.43	2.18	1.47	48.92	1.98	4.75
EN-212	54.0	50.88	2.18	1.55	50.37	1.98	4.75
EN-215	54.8	51.61	2.18	1.57	51.10	1.98	4.75
EN-225	57.2	53.85	2.18	1.65	53.34	1.98	5.16
EN-231	58.7	55.32	2.18	1.70	54.81	1.98	5.16
EN-237	60.3	56.87	2.18	1.73	56.36	1.98	5.16
EN-243	61.9	58.39	2.18	1.75	57.89	1.98	5.16
EN-250	63.5	59.94	2.18	1.78	59.44	1.98	5.54
EN-255	65.0	61.44	2.18	1.78	60.93	1.98	5.54
EN-262	66.7	63.02	2.18	1.83	62.51	1.98	5.54
EN-268	68.3	64.54	2.18	1.85	64.03	1.98	5.54
EN-275	69.9	66.09	2.62	1.88	65.46	2.36	5.54
EN-287	73.0	69.11	2.62	1.96	68.48	2.36	5.54
EN-293	74.6	70.59	2.62	2.01	69.95	2.36	5.54
EN-300	76.2	72.09	2.62	2.06	71.45	2.36	5.54
EN-306	77.8	73.61	2.62	2.08	72.97	2.36	5.54
EN-312	79.4	75.11	2.62	2.13	74.47	2.36	5.54
EN-315	80.2	75.84	2.62	2.16	75.21	2.36	6.35
EN-325	82.6	78.13	2.62	2.21	77.50	2.36	6.35
EN-334	85.0	80.42	2.62	2.29	79.78	2.36	6.35
EN-343	87.3	82.73	2.62	2.29	82.09	2.36	6.35
EN-350	88.9	84.23	3.05	2.34	83.46	2.77	6.35
EN-354	90.0	85.27	3.05	2.36	84.51	2.77	6.35
EN-362	92.1	87.25	3.05	2.41	86.49	2.77	6.35
EN-368	93.7	88.72	3.05	2.46	87.96	2.77	6.35
EN-375	95.3	90.22	3.05	2.51	89.46	2.77	7.14
EN-387	98.4	93.29	3.05	2.57	92.53	2.77	7.14
EN-393	100.0	94.84	3.05	2.59	94.08	2.77	7.14
EN-400	101.6	96.32	3.05	2.64	95.55	2.77	7.14
EN-425	108.0	103.25	3.05	2.34	102.24	2.77	7.14
EN-437	111.1	106.43	3.05	2.34	105.41	2.77	7.14
EN-450	114.3	109.47	3.05	2.41	108.46	2.77	7.92
EN-475	120.7	115.57	3.05	2.54	114.55	2.77	7.92
EN-500	127.0	121.67	3.05	2.67	120.65	2.77	7.92

American Ring National Headquarters

30450 Bruce Industrial Parkway
Solon, OH 44139
440-498-3730
440-498-3736 (Fax)

American Ring - Western Service Division

14211 Chambers Road
Tustin, CA 92780
714-835-6067
714-543-0277 (Fax)

American Ring Manufacturing

Livonia
35955 Veronica Street
Livonia, MI 48150

Massillon
240 6th Street NW
Massillon, OH, 44647

Alternative Surface Grinding

1093 Industrial Parkway
Brunswick, OH 44212
330-273-3443
330-273-3361 (Fax)