Description
RS PRO Stainless Steel External Circlip 13.4mm, 16mm Shaft Diameter — BOLTON SKU 70290.
About the 209-6659 Stainless External Circlip, 16mm Shaft
The 209-6659 external circlip is an RS PRO stainless steel retaining ring for a 16 mm shaft, seating in a 15.2 mm groove diameter with a ring thickness of 1 mm. An external circlip is sprung open with circlip pliers, passed over the end of the shaft and released into a machined groove, where it forms a shoulder that locates bearings, gears, pulleys or bushes axially — without any threaded fastener, weld or additional machined feature. Because the ring rides in a groove rather than clamping the component, it holds the part in position while leaving it free to rotate on the shaft. The stainless steel material is specified where the assembly sees moisture, washdown or outdoor exposure and a plated carbon steel ring would corrode into its groove. Circlips are consumable items: a ring over-opened during removal should be replaced rather than refitted.
Key specifications
| Attribute | Value |
|---|---|
| RS stock number | 209-6659 |
| Brand | RS PRO |
| Type | External circlip / retaining ring |
| Shaft diameter | 16 mm |
| Groove diameter | 15.2 mm |
| Ring thickness | 1 mm |
| Material | Stainless steel |
Typical applications
A 16 mm external circlip retains bearings, spacers, gears and pulleys on 16 mm shafts in gearboxes, rollers, conveyor idlers, small pumps and linkage pins. The stainless grade suits outdoor site hardware, marine and washdown environments, and any assembly where a corroded ring would seize into its groove and make later disassembly destructive. Fitting and removal call for correctly sized external circlip pliers, since over-opening the ring permanently reduces its grip on the groove.
Supplied by BOLTON Technical Equipment Supplies against request for quotation. Add this item to your RFQ basket to request pricing, lead time and documentation requirements (e.g. CoC, datasheets or test reports where applicable).
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