Spiral Rings - External - Medium-Heavy Duty - Carbon Steel
Product features, properties and information
AME / WST / RST - Spring Steel
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
This category may be available in the new MBA online store at
Spiral Rings - External - Medium-Heavy Duty - Carbon Steel
Shaft Dia. (Ds): 12.70 mm
Additional stock available from USA subject to prior sale = 5202
Item Number: RST-050
Spiral Rings - External - Medium-Heavy Duty - Carbon Steel
Rec. Retail: 38.86 + GST Per Pack of 50
Quantity Orders as low as 35.05 (+GST) Per Pack of 50
Shaft Dia. (Ds)
12.70 mm
(0.500")
Thickness (T)
0.89 mm
(0.035")
+/-0.05 mm
Approx. Free OD
14.22 mm
(0.560")
Free Inside Dia (Df)
11.94 mm
(0.470")
+0.00/-0.33 mm
Radial Wall (S)
1.14 mm
(0.045")
+/-0.10 mm
Groove Dia (Dg)
12.04 mm
(0.474")
+/-0.05 mm
Groove Width (W)
1.03 mm
(0.041")
Material
Spring Steel
+/-0.04
Groove Depth (d)
0.33
Go To Order Page RST-050
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Pre-orders about 5 to 6 weeks
Rec. Retail: 38.86 + GST Per Pack of 50
Quantity Orders as low as 35.05 (+GST) Per Pack of 50
Pre-Order Now RST-050
Delivery is an indication only and subject to confirmation.
Shaft Dia. (Ds): 14.27 mm
Additional stock available from USA subject to prior sale = 13271
Item Number: RST-056
Spiral Rings - External - Medium-Heavy Duty - Carbon Steel
Rec. Retail: 9.14 + GST Per PK-100
Quantity Orders as low as 8.23 (+GST) Per PK-100
Shaft Dia. (Ds)
14.27 mm
(0.562")
Thickness (T)
0.89 mm
(0.035")
+/-0.05 mm
Approx. Free OD
15.69 mm
(0.618")
Free Inside Dia (Df)
13.41 mm
(0.528")
+0.00/-0.33 mm
Radial Wall (S)
1.14 mm
(0.045")
+/-0.10 mm
Groove Dia (Dg)
13.59 mm
(0.535")
+/-0.08 mm
Groove Width (W)
1.03 mm
(0.041")
Material
Spring Steel
+/-0.04
Groove Depth (d)
0.36
Go To Order Page RST-056
Image is indicative only.
Pre-orders about 5 to 6 weeks
Rec. Retail: 9.14 + GST Per PK-100
Quantity Orders as low as 8.23 (+GST) Per PK-100
Pre-Order Now RST-056
Delivery is an indication only and subject to confirmation.
Shaft Dia. (Ds): 15.09 mm
Additional stock available from USA subject to prior sale = 4
Item Number: RST-059
Spiral Rings - External - Medium-Heavy Duty - Carbon Steel
Rec. Retail: 27.41 + GST Per Pack of 50
Quantity Orders as low as 24.68 (+GST) Per Pack of 50
Shaft Dia. (Ds)
15.09 mm
(0.594")
Thickness (T)
0.89 mm
(0.035")
+/-0.05 mm
Approx. Free OD
16.46 mm
(0.648")
Free Inside Dia (Df)
14.18 mm
(0.558")
+0.00/-0.33 mm
Radial Wall (S)
1.14 mm
(0.045")
+/-0.10 mm
Groove Dia (Dg)
14.35 mm
(0.565")
+/-0.08 mm
Groove Width (W)
1.03 mm
(0.041")
Material
Spring Steel
+/-0.04
Groove Depth (d)
0.38
Go To Order Page RST-059
Image is indicative only.
Pre-orders about 5 to 6 weeks
Rec. Retail: 27.41 + GST Per Pack of 50
Quantity Orders as low as 24.68 (+GST) Per Pack of 50
Pre-Order Now RST-059
Delivery is an indication only and subject to confirmation.
Shaft Dia. (Ds): 15.88 mm
Additional stock available from USA subject to prior sale = 19098
Item Number: RST-062
Spiral Rings - External - Medium-Heavy Duty - Carbon Steel
Rec. Retail: 16.05 + GST Per PK-5
Quantity Orders as low as 11.68 (+GST) Per PK-5
Shaft Dia. (Ds)
15.88 mm
(0.625")
Thickness (T)
0.89 mm
(0.035")
+/-0.05 mm
Approx. Free OD
17.73 mm
(0.698")
Free Inside Dia (Df)
14.93 mm
(0.588")
+0.00/-0.33 mm
Radial Wall (S)
1.40 mm
(0.055")
+/-0.10 mm
Groove Dia (Dg)
15.14 mm
(0.596")
+/-0.08 mm
Groove Width (W)
1.03 mm
(0.041")
Material
Spring Steel
+/-0.04
Groove Depth (d)
0.38
Go To Order Page RST-062
Image is indicative only.
Pre-orders about 5 to 6 weeks
Rec. Retail: 16.05 + GST Per PK-5
Quantity Orders as low as 11.68 (+GST) Per PK-5
Pre-Order Now RST-062
Delivery is an indication only and subject to confirmation.
Shaft Dia. (Ds): 19.05 mm
Additional stock available from USA subject to prior sale = 3295
Item Number: RST-075
Spiral Rings - External - Medium-Heavy Duty - Carbon Steel
Rec. Retail: 16.68 + GST Per PK-5
Quantity Orders as low as 12.14 (+GST) Per PK-5
Shaft Dia. (Ds)
19.05 mm
(0.750")
Thickness (T)
1.07 mm
(0.042")
+/-0.05 mm
Approx. Free OD
21.21 mm
(0.835")
Free Inside Dia (Df)
17.91 mm
(0.705")
+0.00/-0.33 mm
Radial Wall (S)
1.65 mm
(0.065")
+/-0.10 mm
Groove Dia (Dg)
18.16 mm
(0.715")
+/-0.08 mm
Groove Width (W)
1.21 mm
(0.048")
Material
Spring Steel
+/-0.04
Groove Depth (d)
0.46
Go To Order Page RST-075
Image is indicative only.
Pre-orders about 5 to 6 weeks
Rec. Retail: 16.68 + GST Per PK-5
Quantity Orders as low as 12.14 (+GST) Per PK-5
Pre-Order Now RST-075
Delivery is an indication only and subject to confirmation.
Shaft Dia. (Ds): 20.62 mm
Additional stock available from USA subject to prior sale = 854
Item Number: RST-081
Spiral Rings - External - Medium-Heavy Duty - Carbon Steel
Rec. Retail: 4.41 + GST Per Pack of 2
Quantity Orders as low as 3.95 (+GST) Per Pack of 2
Shaft Dia. (Ds)
20.62 mm
(0.812")
Thickness (T)
1.07 mm
(0.042")
+/-0.05 mm
Approx. Free OD
22.68 mm
(0.893")
Free Inside Dia (Df)
19.38 mm
(0.763")
+0.00/-0.33 mm
Radial Wall (S)
1.65 mm
(0.065")
+/-0.10 mm
Groove Dia (Dg)
19.71 mm
(0.776")
+/-0.08 mm
Groove Width (W)
1.21 mm
(0.048")
Material
Spring Steel
+/-0.04
Groove Depth (d)
0.46
Go To Order Page RST-081
Image is indicative only.
65 IN STOCK NOW
Rec. Retail: 4.41 + GST Per Pack of 2
Quantity Orders as low as 3.95 (+GST) Per Pack of 2
Order Now RST-081
Delivery is an indication only and subject to confirmation.Emails to confirm stock status will usually receive a reply within 4 business hours.
Shaft Dia. (Ds): 22.23 mm
Additional stock available from USA subject to prior sale = 25588
Item Number: RST-087
Spiral Rings - External - Medium-Heavy Duty - Carbon Steel
Rec. Retail: 15.14 + GST Per PK-5
Quantity Orders as low as 13.68 (+GST) Per PK-5
Shaft Dia. (Ds)
22.23 mm
(0.875")
Thickness (T)
1.07 mm
(0.042")
+/-0.05 mm
Approx. Free OD
24.72 mm
(0.973")
Free Inside Dia (Df)
20.90 mm
(0.823")
+0.00/-0.33 mm
Radial Wall (S)
1.91 mm
(0.075")
+/-0.11 mm
Groove Dia (Dg)
21.21 mm
(0.835")
+/-0.08 mm
Groove Width (W)
1.21 mm
(0.048")
Material
Spring Steel
+/-0.04
Groove Depth (d)
0.51
Go To Order Page RST-087
Image is indicative only.
Pre-orders about 5 to 6 weeks
Rec. Retail: 15.14 + GST Per PK-5
Quantity Orders as low as 13.68 (+GST) Per PK-5
Pre-Order Now RST-087
Delivery is an indication only and subject to confirmation.
Shaft Dia. (Ds): 24.96 mm
Additional stock available from USA subject to prior sale = 1
Item Number: RST-098
Spiral Rings - External - Medium-Heavy Duty - Carbon Steel
Rec. Retail: 17.59 + GST Per PK-5
Quantity Orders as low as 15.32 (+GST) Per PK-5
Shaft Dia. (Ds)
24.96 mm
(0.983")
Thickness (T)
1.07 mm
(0.042")
+/-0.05 mm
Approx. Free OD
27.28 mm
(1.074")
Free Inside Dia (Df)
23.46 mm
(0.924")
+0.00/-0.33 mm
Radial Wall (S)
1.91 mm
(0.075")
+/-0.11 mm
Groove Dia (Dg)
23.88 mm
(0.940")
+/-0.07 mm
Groove Width (W)
1.21 mm
(0.048")
Material
Spring Steel
+/-0.04
Groove Depth (d)
0.56
Go To Order Page RST-098
Image is indicative only.
Pre-orders about 5 to 6 weeks
Rec. Retail: 17.59 + GST Per PK-5
Quantity Orders as low as 15.32 (+GST) Per PK-5
Pre-Order Now RST-098
Delivery is an indication only and subject to confirmation.
Shaft Dia. (Ds): 26.97 mm
Additional stock available from USA subject to prior sale = 437
Item Number: RST-106
Spiral Rings - External - Medium-Heavy Duty - Carbon Steel
Rec. Retail: 10.41 + GST Per PK-100
Quantity Orders as low as 9.41 (+GST) Per PK-100
Shaft Dia. (Ds)
26.97 mm
(1.062")
Thickness (T)
1.27 mm
(0.050")
+/-0.05 mm
Approx. Free OD
29.83 mm
(1.174")
Free Inside Dia (Df)
25.35 mm
(0.998")
+0.00/-0.38 mm
Radial Wall (S)
2.24 mm
(0.088")
+/-0.11 mm
Groove Dia (Dg)
25.78 mm
(1.015")
+/-0.10 mm
Groove Width (W)
1.47 mm
(0.058")
Material
Spring Steel
+/-0.05
Groove Depth (d)
0.61
Go To Order Page RST-106
Image is indicative only.
Pre-orders about 5 to 6 weeks
Rec. Retail: 10.41 + GST Per PK-100
Quantity Orders as low as 9.41 (+GST) Per PK-100
Pre-Order Now RST-106
Delivery is an indication only and subject to confirmation.
Shaft Dia. (Ds): 57.15 mm
Item Number: RST-225
Spiral Rings - External - Medium-Heavy Duty - Carbon Steel
Rec. Retail: 19.68 + GST Per Pack of 3
Quantity Orders as low as 16.05 (+GST) Per Pack of 3
Shaft Dia. (Ds)
57.15 mm
(2.250")
Thickness (T)
1.99 mm
(0.078")
+/-0.08 mm
Approx. Free OD
60.88 mm
(2.397")
Free Inside Dia (Df)
53.72 mm
(2.115")
+0.00/-0.64 mm
Radial Wall (S)
3.58 mm
(0.141")
+/-0.10 mm
Groove Dia (Dg)
54.49 mm
(2.145")
+/-0.16 mm
Groove Width (W)
2.25 mm
(0.089")
Material
Spring Steel
+/-0.06
Groove Depth (d)
1.35
Go To Order Page RST-225
Image is indicative only.
95 IN STOCK NOW
Rec. Retail: 19.68 + GST Per Pack of 3
Quantity Orders as low as 16.05 (+GST) Per Pack of 3
Order Now RST-225
Delivery is an indication only and subject to confirmation.Emails to confirm stock status will usually receive a reply within 4 business hours.
Shaft Dia. (Ds): 58.72 mm
Additional stock available from USA subject to prior sale = 4085
Item Number: RST-231
Spiral Rings - External - Medium-Heavy Duty - Carbon Steel
Rec. Retail: 61.14 + GST Per PK-37
Quantity Orders as low as 55.05 (+GST) Per PK-37
Shaft Dia. (Ds)
58.72 mm
(2.312")
Thickness (T)
1.99 mm
(0.078")
+/-0.08 mm
Approx. Free OD
62.36 mm
(2.455")
Free Inside Dia (Df)
55.20 mm
(2.173")
+0.00/-0.64 mm
Radial Wall (S)
3.58 mm
(0.141")
+/-0.10 mm
Groove Dia (Dg)
56.01 mm
(2.205")
+/-0.15 mm
Groove Width (W)
2.25 mm
(0.089")
Material
Spring Steel
+/-0.06
Groove Depth (d)
1.37
Go To Order Page RST-231
Image is indicative only.
Pre-orders about 5 to 6 weeks
Rec. Retail: 61.14 + GST Per PK-37
Quantity Orders as low as 55.05 (+GST) Per PK-37
Pre-Order Now RST-231
Delivery is an indication only and subject to confirmation.
Shaft Dia. (Ds): 60.33 mm
Additional stock available from USA subject to prior sale = 964
Item Number: RST-237
Spiral Rings - External - Medium-Heavy Duty - Carbon Steel
Rec. Retail: 9.32 + GST Per Pack of 3
Quantity Orders as low as 8.41 (+GST) Per Pack of 3
Shaft Dia. (Ds)
60.33 mm
(2.375")
Thickness (T)
1.99 mm
(0.078")
+/-0.08 mm
Approx. Free OD
63.87 mm
(2.515")
Free Inside Dia (Df)
56.71 mm
(2.233")
+0.00/-0.64 mm
Radial Wall (S)
3.58 mm
(0.141")
+/-0.10 mm
Groove Dia (Dg)
57.53 mm
(2.265")
+/-0.15 mm
Groove Width (W)
2.25 mm
(0.089")
Material
Spring Steel
+/-0.06
Groove Depth (d)
1.40
Go To Order Page RST-237
Image is indicative only.
Pre-orders about 5 to 6 weeks
Rec. Retail: 9.32 + GST Per Pack of 3
Quantity Orders as low as 8.41 (+GST) Per Pack of 3
Pre-Order Now RST-237
Delivery is an indication only and subject to confirmation.
Shaft Dia. (Ds): 63.50 mm
Item Number: RST-250
Spiral Rings - External - Medium-Heavy Duty - Carbon Steel
Rec. Retail: 10.59 + GST Each
Quantity Orders as low as 9.68 (+GST) Each
Shaft Dia. (Ds)
63.50 mm
(2.500")
Thickness (T)
1.99 mm
(0.078")
+/-0.08 mm
Approx. Free OD
69.25 mm
(2.726")
Free Inside Dia (Df)
59.69 mm
(2.350")
+0.00/-0.64 mm
Radial Wall (S)
4.78 mm
(0.188")
+/-0.13 mm
Groove Dia (Dg)
60.58 mm
(2.385")
+/-0.15 mm
Groove Width (W)
2.25 mm
(0.089")
Material
Spring Steel
+/-0.06
Groove Depth (d)
1.47
Go To Order Page RST-250
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Pre-orders about 5 to 6 weeks
Rec. Retail: 10.59 + GST Each
Quantity Orders as low as 9.68 (+GST) Each
Pre-Order Now RST-250
Delivery is an indication only and subject to confirmation.
Shaft Dia. (Ds): 66.68 mm
Additional stock available from USA subject to prior sale = 482
Item Number: RST-262
Spiral Rings - External - Medium-Heavy Duty - Carbon Steel
Rec. Retail: 11.59 + GST Per PK-100
Quantity Orders as low as 10.50 (+GST) Per PK-100
Shaft Dia. (Ds)
66.68 mm
(2.625")
Thickness (T)
1.99 mm
(0.078")
+/-0.08 mm
Approx. Free OD
72.24 mm
(2.844")
Free Inside Dia (Df)
62.68 mm
(2.468")
+0.00/-0.64 mm
Radial Wall (S)
4.78 mm
(0.188")
+/-0.13 mm
Groove Dia (Dg)
63.63 mm
(2.505")
+/-0.16 mm
Groove Width (W)
2.25 mm
(0.089")
Material
Spring Steel
+/-0.06
Groove Depth (d)
1.52
Go To Order Page RST-262
Image is indicative only.
Pre-orders about 5 to 6 weeks
Rec. Retail: 11.59 + GST Per PK-100
Quantity Orders as low as 10.50 (+GST) Per PK-100
Pre-Order Now RST-262
Delivery is an indication only and subject to confirmation.
Shaft Dia. (Ds): 73.03 mm
Additional stock available from USA subject to prior sale = 762
Item Number: RST-287
Spiral Rings - External - Medium-Heavy Duty - Carbon Steel
Rec. Retail: 15.14 + GST Per PK-100
Quantity Orders as low as 13.59 (+GST) Per PK-100
Shaft Dia. (Ds)
73.03 mm
(2.875")
Thickness (T)
2.37 mm
(0.093")
+/-0.08 mm
Approx. Free OD
78.21 mm
(3.079")
Free Inside Dia (Df)
68.65 mm
(2.703")
+0.00/-0.76 mm
Radial Wall (S)
4.78 mm
(0.188")
+/-0.13 mm
Groove Dia (Dg)
69.65 mm
(2.742")
+/-0.16 mm
Groove Width (W)
2.68 mm
(0.106")
Material
Spring Steel
+/-0.06
Groove Depth (d)
1.70
Go To Order Page RST-287
Image is indicative only.
Pre-orders about 5 to 6 weeks
Rec. Retail: 15.14 + GST Per PK-100
Quantity Orders as low as 13.59 (+GST) Per PK-100
Pre-Order Now RST-287
Delivery is an indication only and subject to confirmation.
Shaft Dia. (Ds): 76.20 mm
Additional stock available from USA subject to prior sale = 273
Item Number: RST-300
Spiral Rings - External - Medium-Heavy Duty - Carbon Steel
Rec. Retail: 11.95 + GST Each
Quantity Orders as low as 10.86 (+GST) Each
Shaft Dia. (Ds)
76.20 mm
(3.000")
Thickness (T)
2.37 mm
(0.093")
+/-0.08 mm
Approx. Free OD
81.19 mm
(3.196")
Free Inside Dia (Df)
71.63 mm
(2.820")
+0.00/-0.76 mm
Radial Wall (S)
4.78 mm
(0.188")
+/-0.13 mm
Groove Dia (Dg)
72.65 mm
(2.860")
+/-0.16 mm
Groove Width (W)
2.68 mm
(0.106")
Material
Spring Steel
+/-0.06
Groove Depth (d)
1.78
Go To Order Page RST-300
Image is indicative only.
Pre-orders about 5 to 6 weeks
Rec. Retail: 11.95 + GST Each
Quantity Orders as low as 10.86 (+GST) Each
Pre-Order Now RST-300
Delivery is an indication only and subject to confirmation.
Shaft Dia. (Ds): 114.30 mm
Additional stock available from USA subject to prior sale = 6
Item Number: RST-450
Spiral Rings - External - Medium-Heavy Duty - Carbon Steel
Rec. Retail: 45.14 + GST Each
Quantity Orders as low as 40.77 (+GST) Each
Shaft Dia. (Ds)
114.30 mm
(4.500")
Thickness (T)
2.82 mm
(0.111")
+/-0.08 mm
Approx. Free OD
120.14 mm
(4.730")
Free Inside Dia (Df)
107.44 mm
(4.230")
+0.00/-1.02 mm
Radial Wall (S)
6.35 mm
(0.250")
+/-0.13 mm
Groove Dia (Dg)
109.48 mm
(4.310")
+/-0.16 mm
Groove Width (W)
3.12 mm
(0.123")
Material
Spring Steel
+/-0.07
Groove Depth (d)
2.41
Go To Order Page RST-450
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Pre-orders about 5 to 6 weeks
Rec. Retail: 45.14 + GST Each
Quantity Orders as low as 40.77 (+GST) Each
Pre-Order Now RST-450
Delivery is an indication only and subject to confirmation.
Shaft Dia. (Ds): 120.65 mm
Additional stock available from USA subject to prior sale = 277
Item Number: RST-475
Spiral Rings - External - Medium-Heavy Duty - Carbon Steel
Rec. Retail: 19.41 + GST Per PK-5
Quantity Orders as low as 14.14 (+GST) Per PK-5
Shaft Dia. (Ds)
120.65 mm
(4.750")
Thickness (T)
2.82 mm
(0.111")
+/-0.08 mm
Approx. Free OD
126.11 mm
(4.965")
Free Inside Dia (Df)
113.41 mm
(4.465")
+0.00/-1.02 mm
Radial Wall (S)
6.35 mm
(0.250")
+/-0.13 mm
Groove Dia (Dg)
115.57 mm
(4.550")
+/-0.15 mm
Groove Width (W)
3.12 mm
(0.123")
Material
Spring Steel
+/-0.07
Groove Depth (d)
2.54
Go To Order Page RST-475
Image is indicative only.
26 IN STOCK NOW
Rec. Retail: 19.41 + GST Per PK-5
Quantity Orders as low as 14.14 (+GST) Per PK-5
Order Now RST-475
Delivery is an indication only and subject to confirmation.Emails to confirm stock status will usually receive a reply within 4 business hours.
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Registered Australian Company: Miniature Bearings Australia Pty Ltd (ABN 94 069 113 800)
Miniature Bearings Australia offers 212697
products in 2107 categories including
ball bearings, thrust bearings, ceramic and hybrid bearings, stainless steel bearings, miniature bearings, shafting, couplings, screws, socket cap, dental bearings, magnets, sprockets, timing belts and pulleys, corrosion resistant bearings - see the full listing in the
Online Catalogue . We have excellent Freight Rates within Australia and worldwide. We offer a choice of delivery with a signature required, or
cheaper options with no signature required. The no signature required options are at the customer’s risk once the goods leave our store.
Using the links throughout this site you will find extensive information including catalogues, technical data, and other
product specific information. We sell our products worldwide through our online store and our overseas freight rates are competitive for fully
traceable courier delivery.
Miniature Bearings Australia is part of MBA Group offering a select range from the MBA Group catalogue.
Information on this website is Copyright Miniature Bearings Australia 1997. All rights reserved.
Freight Rates
Terms and Conditions
Privacy Policy
Registered Australian Company: Miniature Bearings Australia Pty Ltd (ABN 94 069 113 800)
Miniature Bearings Australia offers 212697
products in 2107 categories including
ball bearings, thrust bearings, ceramic and hybrid bearings, stainless steel bearings, miniature bearings, shafting, couplings, screws, socket cap, dental bearings, magnets, sprockets, timing belts and pulleys, corrosion resistant bearings - see the full listing in the
Online Catalogue . We have excellent Freight Rates within Australia and worldwide. We offer a choice of delivery with a signature required, or
cheaper options with no signature required. The no signature required options are at the customer’s risk once the goods leave our store.
Using the links throughout this site you will find extensive information including catalogues, technical data, and other
product specific information. We sell our products worldwide through our online store and our overseas freight rates are competitive for fully
traceable courier delivery.
Miniature Bearings Australia is part of MBA Group offering a select range from the MBA Group catalogue.
Information on this website is Copyright Miniature Bearings Australia 1997. All rights reserved.