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External Crescent Rings

External crescent rings are smaller shoulder retaining rings applied radially to shaft grooves where the lugs of other rings would present a clearance issue. These retaining rings are usually more cost-effective than external e-rings but less able to withstand greater thrust loads.


Material : Stainless Steel
Type: External Crescent Ring
Type: External Crescent Ring
Ring Number Shaft Diameter Thickness Finish SKU Pkg Qty Price
Ring Number Shaft Diameter Thickness Finish SKU Pkg Qty Price
18 3/16" 0.025" Passivated 0424950 EA 0.23
25 1/4" 0.025" Passivated 0424951 EA 0.30
37 3/8" 0.025" Passivated 0424952 EA 0.59
68 11/16" 0.042" Passivated 0424953 EA 1.76
75 3/4" 0.042" Passivated 0424954 EA 1.32
125 1-1/4" 0.050" Passivated 0424955 EA 4.27
Material : Steel
Type: External Crescent Ring
Type: External Crescent Ring
Ring Number Shaft Diameter Thickness Finish SKU Pkg Qty Price
Ring Number Shaft Diameter Thickness Finish SKU Pkg Qty Price
15 5/32" 0.015" Yellow Zinc 4115487 PKG 9.00
18 3/16" 0.015" Phosphate 0424910 EA 0.30
18 3/16" 0.015" Yellow Zinc 4115488 PKG 9.45
21 7/32" 0.025" Phosphate 0424911 EA 0.51
21 7/32" 0.025" Yellow Zinc 4115489 PKG 9.00
25 1/4" 0.025" Phosphate 0424912 EA 0.09
25 1/4" 0.025" Yellow Zinc 0424940 EA 0.22
25 1/4" 0.025" Yellow Zinc 4115490 PKG 21.36
28 9/32" 0.025" Yellow Zinc 4115491 PKG 20.34
31 5/16" 0.025" Yellow Zinc 4115492 PKG 9.93
37 3/8" 0.025" Yellow Zinc 0424941 EA 0.14
37 3/8" 0.025" Yellow Zinc 4115493 PKG 9.93
40 13/32" 0.025" Phosphate 0424915 EA 0.15
50 1/2" 0.035" Phosphate 0424916 EA 0.31
50 1/2" 0.035" Yellow Zinc 4115495 PKG 21.36
56 9/16" 0.035" Phosphate 0424917 EA 0.12
56 9/16" 0.035" Yellow Zinc 4115496 PKG 9.93
62 5/8" 0.035" Yellow Zinc 4115497 PKG 11.33
68 11/16" 0.042" Phosphate 0424919 EA 0.21
81 0.042" Phosphate 0424921 EA 0.17
100 1" 0.042" Phosphate 0424923 EA 0.27
100 1" 0.042" Yellow Zinc 0424942 EA 0.51
100 1" 0.042" Yellow Zinc 4115484 PKG 18.00
112 1-1/8" 0.050" Yellow Zinc 0424943 EA 0.24
112 1-1/8" 0.050" Yellow Zinc 4115485 PKG 40.41
125 1-1/4" 0.050" Yellow Zinc 4115486 PKG 48.24
137 1-3/8" 0.050" Phosphate 0424927 EA 0.48
150 1-1/2" 0.050" Phosphate 0424928 EA 0.32
162 1-5/8" 0.062" Phosphate 0424929 EA 6.22
175 1-3/4" 0.062" Phosphate 0424930 EA 2.18
200 2" 0.062" Phosphate 0424931 EA Call for Price