Collection: Retaining Rings - External - Spiral Rings - Medium-Heavy - Stainless Steel

Retaining Rings -> External -> Spiral Rings -> Medium-Heavy -> Stainless Steel

There are 2 products in the sub-categories of Retaining Rings - External - Spiral Rings - Medium-Heavy - Stainless Steel. Browse the Retaining Rings - External - Spiral Rings - Medium-Heavy - Stainless Steel products table.

Category Details

A selection of Stainless Steel Medium-Heavy Spiral Rings External Retaining Rings. AME / WST / RST - Stainless Steel.

  • An expanded range may be available on special order. Please enquire.
  • Originally designed to fit NAS50-51 grooves, this series is a popular OEM specification.
  • This two/three turn design is easier to install than the heavy duty RRN option.
  • Equivalent to Associated Spring: AME, Smalley: WST, Spirolox and Ramsey: RST

Miniature Bearings Australia - MBA Minibearings

Additional resources:


A more concise listing may be found in the Retaining Rings - External - Spiral Rings - Medium-Heavy - Stainless Steel category on the Small Parts & Bearings online store.
Shaft Diameter (Ds) Clip Thickness (T) Groove Dia. (Dg) Approx. Loose Circlip ID (A) Radial Wall (S) min/max Groove Width (W) Indicative
Image
Shaft Diameter (Ds)
19.05
mm

(Equiv. 0.75 in.)
Clip Thickness (T)
1.07
mm
+/- 0.05
(Equiv. 0.042 in.)
Groove Dia. (Dg)
18.16
mm

(Equiv. 0.715 in.)
Approx. Loose Circlip ID (A)
17.91
mm
+ 0.00 / - 0.33
Radial Wall (S) min/max
1.65
mm
+/- 0.10
Groove Width (W)
1.21
mm
+/- 0.08
External Retaining Rings - 19.05x1.07x18.16 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Approx. Loose Clip OD: 21.21 +/- 0.04   Groove Depth (d): 0.46   
Part Number: RST-075-S02 (25 Pcs)
External Retaining Rings - 19.05x1.07x18.16 mm Spiral Rings - Stainless Steel 302/304 Similar to A2, 18-8 Spiral Ring
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 21, 2025
Regular price $149.14 AUD
Regular price Sale price $149.14 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Shaft Diameter (Ds) Clip Thickness (T) Groove Dia. (Dg) Approx. Loose Circlip ID (A) Indicative
Image
Shaft Diameter (Ds)
19.05
mm

(Equiv. 0.75 in.)
Clip Thickness (T)
1.07
mm
+/- 0.05
(Equiv. 0.042 in.)
Groove Dia. (Dg)
18.16
mm

(Equiv. 0.715 in.)
Approx. Loose Circlip ID (A)
17.91
mm
+ 0.00 / - 0.33
External Retaining Rings - 19.05x1.07x18.16 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Radial Wall (S) min/max: 1.65 mm +/- 0.10    Groove Width (W): 1.21 mm +/- 0.08   Approx. Loose Clip OD: 21.21 +/- 0.04   Groove Depth (d): 0.46   
Part Number: RST-075-S02 (25 Pcs)
External Retaining Rings - 19.05x1.07x18.16 mm Spiral Rings - Stainless Steel 302/304 Similar to A2, 18-8 Spiral Ring
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 21, 2025
Regular price $149.14 AUD
Regular price Sale price $149.14 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Shaft Diameter (Ds)
31.75
mm

(Equiv. 1.25 in.)
Clip Thickness (T)
1.27
mm
+/- 0.05
(Equiv. 0.05 in.)
Groove Dia. (Dg)
30.35
mm

(Equiv. 1.195 in.)
Approx. Loose Circlip ID (A)
29.85
mm
+ 0.00 / - 0.38
Radial Wall (S) min/max
2.36
mm
+/- 0.10
Groove Width (W)
1.47
mm
+/- 0.10
External Retaining Rings - 31.75x1.27x30.35 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Approx. Loose Clip OD: 34.57 +/- 0.05   Groove Depth (d): 0.71   
Part Number: RST-125-S02
External Retaining Rings - 31.75x1.27x30.35 mm Spiral Rings - Stainless Steel 302/304 Similar to A2, 18-8 Spiral Ring
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 21, 2025
Regular price $4.95 AUD
Regular price $5.95 AUD Sale price $4.95 AUD
Each
Quantity Required

Backorder: Out of Stock.
Shaft Diameter (Ds)
31.75
mm

(Equiv. 1.25 in.)
Clip Thickness (T)
1.27
mm
+/- 0.05
(Equiv. 0.05 in.)
Groove Dia. (Dg)
30.35
mm

(Equiv. 1.195 in.)
Approx. Loose Circlip ID (A)
29.85
mm
+ 0.00 / - 0.38
External Retaining Rings - 31.75x1.27x30.35 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Radial Wall (S) min/max: 2.36 mm +/- 0.10    Groove Width (W): 1.47 mm +/- 0.10   Approx. Loose Clip OD: 34.57 +/- 0.05   Groove Depth (d): 0.71   
Part Number: RST-125-S02
External Retaining Rings - 31.75x1.27x30.35 mm Spiral Rings - Stainless Steel 302/304 Similar to A2, 18-8 Spiral Ring
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 21, 2025
Regular price $4.95 AUD
Regular price $5.95 AUD Sale price $4.95 AUD
Each
Quantity Required

Backorder: Out of Stock.