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Tech Specifications

SKU: DNS-56-S16

Series: DNS

Ring Type: External

Units: Metric

Ring Style: Spirolox (Spiral)

Shaft Diameter: 56.00 mm

Groove Yield: 40,938 N

Ring Shear: 98,325 N

Groove Diameter: 53.00 mm

Groove Width: 2.15 mm

Material: 316 Stainless Steel

Rating: Heavy Duty

Number of Turns: 2

Ring Radial Wall: 5.08 mm

Ring Thickness: 1.93 mm

Alternative Ring Groove: DIN 471

Free Inside Diameter: 52.48 mm


The DNS Series Spirolox Retaining Ring is Smalley's equivalent to the European or "Hard" metric retaining  ring series. With their 2-turn offset configuration, these spiral rings will fit into the grooves established by DIN specifications.