Designed for use in hydraulic cylinders, this Hercules Sealing Products Nylon Wear Ring measures 4.5 inches in outside diameter, 1/2 inch in width, and 1/8 inch in thickness. Wear rings guide piston and rod movement within the cylinder bore, preventing metal-to-metal contact and maintaining proper alignment under lateral loading.
Manufactured from nylon, this ring offers a compressive strength of 35,000 PSI and a tensile strength of 27,000 PSI, with an operating temperature range of -40°F to 250°F. These properties make it well-suited for demanding hydraulic cylinder applications where dimensional stability and wear resistance are required.
SKU: 612-450-050
Supplier Part Number (MPN): 612-450-050-SC
Alternate Part Numbers: C1BW56, MI-01264819, MINO-00407X80608
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Specifications
Alternate Part Numbers
Alternate Part Number612-450-050-SC, Alternate Part Number C1BW56, Alternate Part Number MI-01264819, Alternate Part Number MINO-00407X80608
Brand
Hercules Sealing Products
Brand
Hercules Sealing Products
Pack Size
1.00
UOM
EA
O.D.
4.5 in
Supplier Part Number
612-450-050-SC
Thickness (in)
1/8
Product Weight
0.05 lbs
Width (in)
1/2
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Product Questions & Answers (4)
Question by: Dustin T on Feb 12, 2026, 8:37 AM
what's the temperature range on this wear ring? got equipment running in some pretty cold conditions and want to make sure it holds up
Answer by: Customer Support on Feb 13, 2026, 1:32 PM
Rated from -40°F up to 250°F, so cold weather operation isn't going to be a problem. That lower end covers just about any outdoor or unheated facility environment you'd realistically run into.
Question by: Eddie W on Apr 21, 2025, 8:26 PM
got a cylinder with a 4.5 inch bore, is this the wear ring size i need or am i mixin things up
Answer by: Customer Support on Apr 23, 2025, 6:25 AM
Fit comes down to the ring dimensions, not just the bore callout. This nylon wear ring is 4.50 inch OD, 1/8 inch thick, and 1/2 inch wide, so you would match those numbers to the wear ring groove and the OD you need.
Question by: Rhonda K on Apr 14, 2025, 12:21 PM
trying to match up a wear ring i pulled out, are the sizes on this one 4.50 OD with a 1/8 thick wall and 1/2 wide?
Answer by: Customer Support on Apr 16, 2025, 11:28 AM
Fit comes down to those three dimensions. This nylon wear ring is 4.50 inch OD, 1/8 inch thick, and 1/2 inch wide, so it matches if your old ring measures the same.
Question by: Judy B on Oct 10, 2025, 7:44 PM
What's the deal with these wear rings? What exactly do they do?
Answer by: Customer Support on Oct 12, 2025, 5:31 PM
These nylon wear rings are designed to handle compressive forces up to 35,000 PSI, so they can support a good amount of load in your hydraulic system.
