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) Approx. Groove Width (W) Indicative
Image
External Retaining Rings - 19.05x1.07x18.16 mm Spiral Rings - Stainless Steel 302/304 Similar to A2, 18-8 Spiral Ring
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) Approx.
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   
Additional stock available from USA subject to Prior Sale = 505
Part Number: RST-075-S02 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 25, 2026
$139.14 AUD
$139.14 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Shaft Diameter (Ds) Clip Thickness (T) Groove Dia. (Dg) Approx. Loose Circlip ID (A) Indicative
Image
External Retaining Rings - 19.05x1.07x18.16 mm Spiral Rings - Stainless Steel 302/304 Similar to A2, 18-8 Spiral Ring
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) Approx.: 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   
Additional stock available from USA subject to Prior Sale = 505
Part Number: RST-075-S02 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 25, 2026
$139.14 AUD
$139.14 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
External Retaining Rings - 31.75x1.27x30.35 mm Spiral Rings - Stainless Steel 302/304 Similar to A2, 18-8 Spiral Ring
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) Approx.
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   
Additional stock available from USA subject to Prior Sale = 294
Part Number: RST-125-S02 (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 25, 2026
$4.95 AUD
$5.95 AUD $4.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
External Retaining Rings - 31.75x1.27x30.35 mm Spiral Rings - Stainless Steel 302/304 Similar to A2, 18-8 Spiral Ring
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) Approx.: 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   
Additional stock available from USA subject to Prior Sale = 294
Part Number: RST-125-S02 (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 25, 2026
$4.95 AUD
$5.95 AUD $4.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.