Balanced Lug Internal Retaining Rings

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See our full Balanced Lug Spec Chart below.

Arcon Ring offers the best and most reliable balanced lug internal retaining rings in the industry. We can accommodate most every size to your exact specifications. Other internal retaining rings we offer include Standard Retaining Rings, Beveled Retaining Rings, Bowed Retaining Rings and Push-On.

Contact Arcon Ring today for selection assistance or design a custom retaining ring online!

Available Sizes: 0.625" to 1.562"

Standard Material: Carbon Spring Steel

Standard Finish: Phosphate and oil

drawing
Part
Number
RETAINING RING BORE RETAINING RING DIMENSIONS
Diameter B Thickness Free Diameter D1 C C1
(max)
L
~
b
(min)
h
Frac.
inch
Dec.
inch
t
inches
Tol.
inch
D
inch
Tol.
inch
N1308-62 5/8 .625 .025 ±.002 .675 +.010
-.005
0.54 .470 0.51 .076 .072 .028
N1308-75 3/4 .750 .035 .808 0.63 .560 0.61 .089 .085 .040
N1308-81 13/16 .812 .042 .877 0.69 .610 0.66 .097 .092 .040
N1308-87 7/8 .875 .042 .944 0.75 .660 0.72 .104 .099 .040
N1308-93 15/16 .938 .042 1.015 0.81 .700 0.77 .111 .106 .040
N1308-100 1 1.000 .042 1.081 0.85 .750 0.83 .118 .113 .040
N1308-106 1 1/16 1.062 .050 1.150 +.015
-.010
0.91 .800 0.87 .126 .120 .048
N1308-112 1 1/8 1.125 .050 1.217 0.97 .850 0.93 .129 .123 .048
N1308-118 1 3/16 1.188 .050 1.283 1.03 .910 0.99 .132 .126 .048
N1308-125 1 1/4 1.250 .050 1.351 1.1 .960 1.06 .135 .129 .048
N1308-131 1 5/16 1.312 .050 1.418 1.15 1.020 1.12 .138 .132 .048
N1308-137 1 3/8 1.375 .050 1.486 1.22 1.080 1.17 .141 .135 .048
N1308-143 1 7/16 1.438 .050 1.552 1.26 1.130 1.24 .150 .144 .074
N1308-150 1 1/2 1.500 .050 1.622 1.32 1.180 1.28 .154 .148 .074
N1308-156 1 9/16 1.562 .062 ±.003 1.688 +.020
-.013
1.37 1.220 1.32 .165 .158 .074
Part
Number
RETAINING RING GROOVE Tc
(lb.f)
Tg
(lb.f)
Diameter Width n
(min)
d
~
G
inch
Tol.
inch
W
inch
Tol.
inch
N1308-62 .665 ±.002 .029 +.003
-.000
.060 .020 1100 353
N1308-75 .796 .039 .070 .023 1850 201
N1308-81 .862 ±.003 .046 .075 .025 2410 574
N1308-87 .931 .046 .085 .028 2600 693
N1308-93 1.000 .046 .095 .031 2780 820
N1308-100 1.066 .046 .100 .033 2970 933
N1308-106 1.130 ±.004 .056 +.004
-.000
.100 .034 3750 1020
N1308-112 1.197 .056 .110 .036 3980 1140
N1308-118 1.262 .056 .110 .037 4200 1240
N1308-125 1.330 .056 .120 .040 4410 1410
N1308-131 1.396 .056 .125 .042 4640 1560
N1308-137 1.461 .056 .130 .043 4860 1670
N1308-143 1.528 .056 .135 .045 5080 1830
N1308-150 1.594 .056 .140 .047 5300 1990
N1308-156 1.658 .068 .145 .048 5700 2120