Collection: O-Rings - Silicone Rubber

372 Products in this selection
  • High thermal resistance and cold flexibility. Some dental applications are included in the listings. Commonly used in food appliactions.
  • Temperature Range: -70oC to +200oC.
  • Good dialectric properties and resistance to ozone and oxygen attack.
  • Retains flexibility at high and low temperatures.
  • Poor strength and tear resistance.
  • Poor resistance to oils, fuels, concentrated acids and alkalis, water and steam.
O-Rings - Silicone Rubber
Miniature Bearings Australia (Minibearings)

Additional resources:
Orings Catalogue PDF
O-Ring Assortment Kits
A more concise listing may be found on the Smallparts store at O-Rings - Silicone Rubber. Smallparts promote the most popular MBA products.
Inside Diameter (I.D.) Section (t) Colour Hardness Special Applications Indicative
Image
Inside Diameter (I.D.)
443.36
mm

(17.455 in.)
Section (t)
6.99
mm

(0.275 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 443.36x6.99 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-44336-699-S70-464-R (10 Pcs) Silicone Rubber O-Rings - 443.36x6.99 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $204.50 AUD
Regular price $478.68 AUD Sale price $204.50 AUD
Per 10
Inside Diameter (I.D.) Section (t) Colour Hardness Indicative
Image
Inside Diameter (I.D.)
443.36
mm

(17.455 in.)
Section (t)
6.99
mm

(0.275 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 443.36x6.99 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-44336-699-S70-464-R (10 Pcs) Silicone Rubber O-Rings - 443.36x6.99 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $204.50 AUD
Regular price $478.68 AUD Sale price $204.50 AUD
Per 10
View the product page first if you are unsure.
Inside Diameter (I.D.)
456.06
mm

(17.955 in.)
Section (t)
3.53
mm

(0.139 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 456.06x3.53 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-45606-353-S70-284-R (20 Pcs) Silicone Rubber O-Rings - 456.06x3.53 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $243.23 AUD
Regular price $569.92 AUD Sale price $243.23 AUD
Per 20
Inside Diameter (I.D.)
456.06
mm

(17.955 in.)
Section (t)
3.53
mm

(0.139 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 456.06x3.53 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-45606-353-S70-284-R (20 Pcs) Silicone Rubber O-Rings - 456.06x3.53 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $243.23 AUD
Regular price $569.92 AUD Sale price $243.23 AUD
Per 20
View the product page first if you are unsure.
Inside Diameter (I.D.)
456.06
mm

(17.955 in.)
Section (t)
5.33
mm

(0.21 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 456.06x5.33 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-45606-533-S70-387-R (20 Pcs) Silicone Rubber O-Rings - 456.06x5.33 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $279.41 AUD
Regular price $655.12 AUD Sale price $279.41 AUD
Per 20
Inside Diameter (I.D.)
456.06
mm

(17.955 in.)
Section (t)
5.33
mm

(0.21 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 456.06x5.33 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-45606-533-S70-387-R (20 Pcs) Silicone Rubber O-Rings - 456.06x5.33 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $279.41 AUD
Regular price $655.12 AUD Sale price $279.41 AUD
Per 20
View the product page first if you are unsure.
Inside Diameter (I.D.)
456.06
mm

(17.955 in.)
Section (t)
6.99
mm

(0.275 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 456.06x6.99 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-45606-699-S70-465-R (10 Pcs) Silicone Rubber O-Rings - 456.06x6.99 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $210.23 AUD
Regular price $492.24 AUD Sale price $210.23 AUD
Per 10
Inside Diameter (I.D.)
456.06
mm

(17.955 in.)
Section (t)
6.99
mm

(0.275 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 456.06x6.99 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-45606-699-S70-465-R (10 Pcs) Silicone Rubber O-Rings - 456.06x6.99 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $210.23 AUD
Regular price $492.24 AUD Sale price $210.23 AUD
Per 10
View the product page first if you are unsure.
Inside Diameter (I.D.)
481.41
mm

(18.953 in.)
Section (t)
5.33
mm

(0.21 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 481.41x5.33 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-48141-533-S70-388-R (20 Pcs) Silicone Rubber O-Rings - 481.41x5.33 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $294.77 AUD
Regular price $691.28 AUD Sale price $294.77 AUD
Per 20
Inside Diameter (I.D.)
481.41
mm

(18.953 in.)
Section (t)
5.33
mm

(0.21 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 481.41x5.33 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-48141-533-S70-388-R (20 Pcs) Silicone Rubber O-Rings - 481.41x5.33 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $294.77 AUD
Regular price $691.28 AUD Sale price $294.77 AUD
Per 20
View the product page first if you are unsure.
Inside Diameter (I.D.)
506.81
mm

(19.953 in.)
Section (t)
5.33
mm

(0.21 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 506.81x5.33 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-50681-533-S70-389-R (20 Pcs) Silicone Rubber O-Rings - 506.81x5.33 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $310.23 AUD
Regular price $727.60 AUD Sale price $310.23 AUD
Per 20
Inside Diameter (I.D.)
506.81
mm

(19.953 in.)
Section (t)
5.33
mm

(0.21 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 506.81x5.33 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-50681-533-S70-389-R (20 Pcs) Silicone Rubber O-Rings - 506.81x5.33 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $310.23 AUD
Regular price $727.60 AUD Sale price $310.23 AUD
Per 20
View the product page first if you are unsure.
Inside Diameter (I.D.)
532.21
mm

(20.953 in.)
Section (t)
5.33
mm

(0.21 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 532.21x5.33 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-53221-533-S70-390-R (20 Pcs) Silicone Rubber O-Rings - 532.21x5.33 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $321.50 AUD
Regular price $754.08 AUD Sale price $321.50 AUD
Per 20
Inside Diameter (I.D.)
532.21
mm

(20.953 in.)
Section (t)
5.33
mm

(0.21 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 532.21x5.33 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-53221-533-S70-390-R (20 Pcs) Silicone Rubber O-Rings - 532.21x5.33 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $321.50 AUD
Regular price $754.08 AUD Sale price $321.50 AUD
Per 20
View the product page first if you are unsure.
Inside Diameter (I.D.)
557.61
mm

(21.953 in.)
Section (t)
5.33
mm

(0.21 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 557.61x5.33 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-55761-533-S70-391-R (10 Pcs) Silicone Rubber O-Rings - 557.61x5.33 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $171.05 AUD
Regular price $400.00 AUD Sale price $171.05 AUD
Per 10
Inside Diameter (I.D.)
557.61
mm

(21.953 in.)
Section (t)
5.33
mm

(0.21 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 557.61x5.33 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-55761-533-S70-391-R (10 Pcs) Silicone Rubber O-Rings - 557.61x5.33 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $171.05 AUD
Regular price $400.00 AUD Sale price $171.05 AUD
Per 10
View the product page first if you are unsure.
Inside Diameter (I.D.)
582.68
mm

(22.94 in.)
Section (t)
5.33
mm

(0.21 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 582.68x5.33 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-58268-533-S70-392-R (10 Pcs) Silicone Rubber O-Rings - 582.68x5.33 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $178.59 AUD
Regular price $417.88 AUD Sale price $178.59 AUD
Per 10
Inside Diameter (I.D.)
582.68
mm

(22.94 in.)
Section (t)
5.33
mm

(0.21 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 582.68x5.33 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-58268-533-S70-392-R (10 Pcs) Silicone Rubber O-Rings - 582.68x5.33 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $178.59 AUD
Regular price $417.88 AUD Sale price $178.59 AUD
Per 10
View the product page first if you are unsure.
Inside Diameter (I.D.)
608.08
mm

(23.94 in.)
Section (t)
5.33
mm

(0.21 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 608.08x5.33 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-60808-533-S70-393-R (10 Pcs) Silicone Rubber O-Rings - 608.08x5.33 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $221.32 AUD
Regular price $518.40 AUD Sale price $221.32 AUD
Per 10
Inside Diameter (I.D.)
608.08
mm

(23.94 in.)
Section (t)
5.33
mm

(0.21 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 608.08x5.33 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-60808-533-S70-393-R (10 Pcs) Silicone Rubber O-Rings - 608.08x5.33 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $221.32 AUD
Regular price $518.40 AUD Sale price $221.32 AUD
Per 10
View the product page first if you are unsure.
Inside Diameter (I.D.)
633.48
mm

(24.94 in.)
Section (t)
5.33
mm

(0.21 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 633.48x5.33 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-63348-533-S70-394-R (10 Pcs) Silicone Rubber O-Rings - 633.48x5.33 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $230.50 AUD
Regular price $539.88 AUD Sale price $230.50 AUD
Per 10
Inside Diameter (I.D.)
633.48
mm

(24.94 in.)
Section (t)
5.33
mm

(0.21 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 633.48x5.33 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-63348-533-S70-394-R (10 Pcs) Silicone Rubber O-Rings - 633.48x5.33 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $230.50 AUD
Regular price $539.88 AUD Sale price $230.50 AUD
Per 10
View the product page first if you are unsure.
Inside Diameter (I.D.)
658.88
mm

(25.94 in.)
Section (t)
5.33
mm

(0.21 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 658.88x5.33 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-65888-533-S70-395-R (10 Pcs) Silicone Rubber O-Rings - 658.88x5.33 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $239.59 AUD
Regular price $561.40 AUD Sale price $239.59 AUD
Per 10
Inside Diameter (I.D.)
658.88
mm

(25.94 in.)
Section (t)
5.33
mm

(0.21 in.)
Colour
Red
Hardness
Duro 70
Silicone Rubber O-Rings - 658.88x5.33 mm - Red - Silicone Rubber
Material: Silicone Rubber   
Part Number: OR-65888-533-S70-395-R (10 Pcs) Silicone Rubber O-Rings - 658.88x5.33 mm - Red - Silicone Rubber
Out of Stock | Backorder Now | Orders can be expected around Sat, Aug 16, 2025
Regular price $239.59 AUD
Regular price $561.40 AUD Sale price $239.59 AUD
Per 10
View the product page first if you are unsure.