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Tech Specifications

SKU: DNS-125

Series: DNS

Ring Type: External

Units: Metric

Ring Style: Spirolox (Spiral)

Shaft Diameter: 125.00 mm

Groove Yield: 121,840 N

Ring Shear: 421,297 N

Groove Diameter: 121.00 mm

Groove Width: 4.15 mm

Material: Carbon Steel

Rating: Heavy Duty

Number of Turns: 2

Ring Radial Wall: 6.73 mm

Ring Thickness: 3.89 mm

Alternative Ring Groove: DIN 471

Free Inside Diameter: 120.12 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.