O-Rings

653 Products in this selection
Combined category including sub-categories of o-rings. These include general purpose, silicone rubber bulk, silicone rubber packs, quad, ptfe, fluoroelastomer bulk, fluoroelastomer packs, epdm rubber, and cord.
Small Parts & Bearings

Additional resources:
O-Rings Catalogue PDF
O-Ring Assortment Kits

A more comprehensive listing may be found on the MBA Minibearings main store at O-Rings.
Nominal Diameter (d) Material Durometer Hardness Indicative
Image
Nominal Diameter (d)
221.62
mm
Material
5.33
Durometer Hardness
Black
General Purpose O-Rings - 221.62x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber Packs
Part Number: OR-22162-533-N70-372 (Each) General Purpose O-Rings - 221.62x5.33 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
3 Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
$5.00 AUD
$17.14 AUD $5.00 AUD
Each
Nominal Diameter (d) Material Durometer Hardness Indicative
Image
Nominal Diameter (d)
221.62
mm
Material
5.33
Durometer Hardness
Black
General Purpose O-Rings - 221.62x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber Packs
Part Number: OR-22162-533-N70-372 (Each) General Purpose O-Rings - 221.62x5.33 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
3 Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
$5.00 AUD
$17.14 AUD $5.00 AUD
Each
Nominal Diameter (d)
234.32
mm
Material
5.33
Durometer Hardness
Black
General Purpose O-Rings - 234.32x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber Packs
Part Number: OR-23432-533-N70-374 (Each) General Purpose O-Rings - 234.32x5.33 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
4 Available Now | Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity
$5.00 AUD
$18.00 AUD $5.00 AUD
Each
Nominal Diameter (d)
234.32
mm
Material
5.33
Durometer Hardness
Black
General Purpose O-Rings - 234.32x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber Packs
Part Number: OR-23432-533-N70-374 (Each) General Purpose O-Rings - 234.32x5.33 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
4 Available Now | Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity
$5.00 AUD
$18.00 AUD $5.00 AUD
Each
Nominal Diameter (d)
278.77
mm
Material
6.99
Durometer Hardness
Black
General Purpose O-Rings - 278.77x6.99 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber Packs
Part Number: OR-27877-699-N70-451 (Each) General Purpose O-Rings - 278.77x6.99 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
10 Available Now | Item Discontinued - Up to 10 may be ordered online. No backorders. Please contact us if you need a larger quantity
$5.00 AUD
$34.52 AUD $5.00 AUD
Each
Nominal Diameter (d)
278.77
mm
Material
6.99
Durometer Hardness
Black
General Purpose O-Rings - 278.77x6.99 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber Packs
Part Number: OR-27877-699-N70-451 (Each) General Purpose O-Rings - 278.77x6.99 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
10 Available Now | Item Discontinued - Up to 10 may be ordered online. No backorders. Please contact us if you need a larger quantity
$5.00 AUD
$34.52 AUD $5.00 AUD
Each
Nominal Diameter (d)
278.77
mm
Material
6.99
Durometer Hardness
Black
General Purpose O-Rings - 278.77x6.99 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber Packs
Part Number: OR-27877-699-N90-451 (Each) General Purpose O-Rings - 278.77x6.99 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
3 Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
$5.00 AUD
$34.52 AUD $5.00 AUD
Each
Nominal Diameter (d)
278.77
mm
Material
6.99
Durometer Hardness
Black
General Purpose O-Rings - 278.77x6.99 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Category: O-Rings - General Purpose - Nitrile Rubber Packs
Part Number: OR-27877-699-N90-451 (Each) General Purpose O-Rings - 278.77x6.99 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
3 Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
$5.00 AUD
$34.52 AUD $5.00 AUD
Each
Nominal Diameter (d)
482.60
mm
Material
6.35
Durometer Hardness
Black
General Purpose O-Rings - 482.6x6.35 mm - Black - Neoprene Rubber O-Ring
Material: Neoprene Rubber   
Category: O-Rings - General Purpose - Neoprene Rubber Packs
Part Number: OR-48260-635-CR70 (Each) General Purpose O-Rings - 482.6x6.35 mm - Black Neoprene Rubber Packs - Neoprene Rubber O-Ring
6 Available Now | Further orders can be expected around Mon, Sep 28, 2026
$30.68 AUD
$358.08 AUD $30.68 AUD
Each
Nominal Diameter (d)
482.60
mm
Material
6.35
Durometer Hardness
Black
General Purpose O-Rings - 482.6x6.35 mm - Black - Neoprene Rubber O-Ring
Material: Neoprene Rubber   
Category: O-Rings - General Purpose - Neoprene Rubber Packs
Part Number: OR-48260-635-CR70 (Each) General Purpose O-Rings - 482.6x6.35 mm - Black Neoprene Rubber Packs - Neoprene Rubber O-Ring
6 Available Now | Further orders can be expected around Mon, Sep 28, 2026
$30.68 AUD
$358.08 AUD $30.68 AUD
Each
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