Miniature Bearings Australia - minibearings

Collection: O-Rings - General Purpose - Nitrile Rubber

O-Rings -> General Purpose -> Nitrile Rubber

Inside Diameter (ID)	Section (t)	Colour	Hardness	Special Applications	Indicative Image
Inside Diameter (ID) 314.00 mm (Equiv. 12.362 in.)	Section (t) 5.00 mm (Equiv. 0.197 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31400-500-N70 General Purpose O-Rings - 314x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID)	Section (t)	Colour	Hardness	Indicative Image
Inside Diameter (ID) 314.00 mm (Equiv. 12.362 in.)	Section (t) 5.00 mm (Equiv. 0.197 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31400-500-N70 General Purpose O-Rings - 314x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 315.00 mm (Equiv. 12.402 in.)	Section (t) 3.50 mm (Equiv. 0.138 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31500-350-N70 General Purpose O-Rings - 315x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 315.00 mm (Equiv. 12.402 in.)	Section (t) 3.50 mm (Equiv. 0.138 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31500-350-N70 General Purpose O-Rings - 315x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 315.00 mm (Equiv. 12.402 in.)	Section (t) 4.50 mm (Equiv. 0.177 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31500-450-N70 General Purpose O-Rings - 315x4.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 315.00 mm (Equiv. 12.402 in.)	Section (t) 4.50 mm (Equiv. 0.177 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31500-450-N70 General Purpose O-Rings - 315x4.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 315.00 mm (Equiv. 12.402 in.)	Section (t) 5.00 mm (Equiv. 0.197 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31500-500-N70 (100 Pcs) General Purpose O-Rings - 315x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Out of Stock \| Backorder Now \| Orders can be expected around Wed, Nov 05, 2025 Regular price $629.77 AUD Regular price Sale price $629.77 AUD Unit price per Excludes GST and overseas Taxes & Duties Per 100 Quantity Required Backorder: Out of Stock.
Inside Diameter (ID) 315.00 mm (Equiv. 12.402 in.)	Section (t) 5.00 mm (Equiv. 0.197 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31500-500-N70 (100 Pcs) General Purpose O-Rings - 315x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Out of Stock \| Backorder Now \| Orders can be expected around Wed, Nov 05, 2025 Regular price $629.77 AUD Regular price Sale price $629.77 AUD Unit price per Excludes GST and overseas Taxes & Duties Per 100 Quantity Required Backorder: Out of Stock.
OR-31500-500-N70 (100 Pcs) --- General Purpose O-Rings - 315x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring OR-31500-500-N70 (100 Pcs) --- General Purpose O-Rings - 315x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Regular price $629.77 AUD Regular price Sale price $629.77 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Inside Diameter (ID) 315.00 mm (Equiv. 12.402 in.)	Section (t) 6.00 mm (Equiv. 0.236 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31500-600-N70 (60 Pcs) General Purpose O-Rings - 315x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Out of Stock \| Backorder Now \| Orders can be expected around Wed, Nov 05, 2025 Regular price $658.50 AUD Regular price Sale price $658.50 AUD Unit price per Excludes GST and overseas Taxes & Duties Per 60 Quantity Required Backorder: Out of Stock.
Inside Diameter (ID) 315.00 mm (Equiv. 12.402 in.)	Section (t) 6.00 mm (Equiv. 0.236 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31500-600-N70 (60 Pcs) General Purpose O-Rings - 315x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Out of Stock \| Backorder Now \| Orders can be expected around Wed, Nov 05, 2025 Regular price $658.50 AUD Regular price Sale price $658.50 AUD Unit price per Excludes GST and overseas Taxes & Duties Per 60 Quantity Required Backorder: Out of Stock.
OR-31500-600-N70 (60 Pcs) --- General Purpose O-Rings - 315x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring OR-31500-600-N70 (60 Pcs) --- General Purpose O-Rings - 315x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Regular price $658.50 AUD Regular price Sale price $658.50 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Inside Diameter (ID) 315.00 mm (Equiv. 12.402 in.)	Section (t) 7.00 mm (Equiv. 0.276 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31500-700-N70 (100 Pcs) General Purpose O-Rings - 315x7 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Out of Stock \| Backorder Now \| Orders can be expected around Wed, Nov 05, 2025 Regular price $861.14 AUD Regular price Sale price $861.14 AUD Unit price per Excludes GST and overseas Taxes & Duties Per 100 Quantity Required Backorder: Out of Stock.
Inside Diameter (ID) 315.00 mm (Equiv. 12.402 in.)	Section (t) 7.00 mm (Equiv. 0.276 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31500-700-N70 (100 Pcs) General Purpose O-Rings - 315x7 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Out of Stock \| Backorder Now \| Orders can be expected around Wed, Nov 05, 2025 Regular price $861.14 AUD Regular price Sale price $861.14 AUD Unit price per Excludes GST and overseas Taxes & Duties Per 100 Quantity Required Backorder: Out of Stock.
OR-31500-700-N70 (100 Pcs) --- General Purpose O-Rings - 315x7 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring OR-31500-700-N70 (100 Pcs) --- General Purpose O-Rings - 315x7 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Regular price $861.14 AUD Regular price Sale price $861.14 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Inside Diameter (ID) 316.00 mm (Equiv. 12.441 in.)	Section (t) 3.50 mm (Equiv. 0.138 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31600-350-N70 General Purpose O-Rings - 316x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 316.00 mm (Equiv. 12.441 in.)	Section (t) 3.50 mm (Equiv. 0.138 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31600-350-N70 General Purpose O-Rings - 316x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 316.00 mm (Equiv. 12.441 in.)	Section (t) 4.00 mm (Equiv. 0.157 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31600-400-N70 General Purpose O-Rings - 316x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 316.00 mm (Equiv. 12.441 in.)	Section (t) 4.00 mm (Equiv. 0.157 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31600-400-N70 General Purpose O-Rings - 316x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 316.00 mm (Equiv. 12.441 in.)	Section (t) 5.00 mm (Equiv. 0.197 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31600-500-N70 General Purpose O-Rings - 316x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 316.00 mm (Equiv. 12.441 in.)	Section (t) 5.00 mm (Equiv. 0.197 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31600-500-N70 General Purpose O-Rings - 316x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 316.87 mm (Equiv. 12.475 in.)	Section (t) 6.99 mm (Equiv. 0.275 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31687-699-N70-454 (80 Pcs) General Purpose O-Rings - 316.87x6.99 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Out of Stock \| Backorder Now \| Orders can be expected around Wed, Nov 05, 2025 Regular price $691.32 AUD Regular price Sale price $691.32 AUD Unit price per Excludes GST and overseas Taxes & Duties Per 80 Quantity Required Backorder: Out of Stock.
Inside Diameter (ID) 316.87 mm (Equiv. 12.475 in.)	Section (t) 6.99 mm (Equiv. 0.275 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31687-699-N70-454 (80 Pcs) General Purpose O-Rings - 316.87x6.99 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Out of Stock \| Backorder Now \| Orders can be expected around Wed, Nov 05, 2025 Regular price $691.32 AUD Regular price Sale price $691.32 AUD Unit price per Excludes GST and overseas Taxes & Duties Per 80 Quantity Required Backorder: Out of Stock.
OR-31687-699-N70-454 (80 Pcs) --- General Purpose O-Rings - 316.87x6.99 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring OR-31687-699-N70-454 (80 Pcs) --- General Purpose O-Rings - 316.87x6.99 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Regular price $691.32 AUD Regular price Sale price $691.32 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Inside Diameter (ID) 316.87 mm (Equiv. 12.475 in.)	Section (t) 6.99 mm (Equiv. 0.275 in.)	Colour Black	Hardness Duro 90
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31687-699-N90-454 (70 Pcs) General Purpose O-Rings - 316.87x6.99 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Out of Stock \| Backorder Now \| Orders can be expected around Wed, Nov 05, 2025 Regular price $604.95 AUD Regular price Sale price $604.95 AUD Unit price per Excludes GST and overseas Taxes & Duties Per 70 Quantity Required Backorder: Out of Stock.
Inside Diameter (ID) 316.87 mm (Equiv. 12.475 in.)	Section (t) 6.99 mm (Equiv. 0.275 in.)	Colour Black	Hardness Duro 90
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31687-699-N90-454 (70 Pcs) General Purpose O-Rings - 316.87x6.99 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Out of Stock \| Backorder Now \| Orders can be expected around Wed, Nov 05, 2025 Regular price $604.95 AUD Regular price Sale price $604.95 AUD Unit price per Excludes GST and overseas Taxes & Duties Per 70 Quantity Required Backorder: Out of Stock.
OR-31687-699-N90-454 (70 Pcs) --- General Purpose O-Rings - 316.87x6.99 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring OR-31687-699-N90-454 (70 Pcs) --- General Purpose O-Rings - 316.87x6.99 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Regular price $604.95 AUD Regular price Sale price $604.95 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Inside Diameter (ID) 317.00 mm (Equiv. 12.48 in.)	Section (t) 3.50 mm (Equiv. 0.138 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31700-350-N70 General Purpose O-Rings - 317x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 317.00 mm (Equiv. 12.48 in.)	Section (t) 3.50 mm (Equiv. 0.138 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31700-350-N70 General Purpose O-Rings - 317x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 317.00 mm (Equiv. 12.48 in.)	Section (t) 4.00 mm (Equiv. 0.157 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31700-400-N70 (310 Pcs) General Purpose O-Rings - 317x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Out of Stock \| Backorder Now \| Orders can be expected around Wed, Nov 05, 2025 Regular price $860.95 AUD Regular price ~~$5,062.30 AUD~~ Sale price $860.95 AUD Unit price per Excludes GST and overseas Taxes & Duties Per 310 Quantity Required Backorder: Out of Stock.
Inside Diameter (ID) 317.00 mm (Equiv. 12.48 in.)	Section (t) 4.00 mm (Equiv. 0.157 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31700-400-N70 (310 Pcs) General Purpose O-Rings - 317x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Out of Stock \| Backorder Now \| Orders can be expected around Wed, Nov 05, 2025 Regular price $860.95 AUD Regular price ~~$5,062.30 AUD~~ Sale price $860.95 AUD Unit price per Excludes GST and overseas Taxes & Duties Per 310 Quantity Required Backorder: Out of Stock.
OR-31700-400-N70 (310 Pcs) --- General Purpose O-Rings - 317x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Sale OR-31700-400-N70 (310 Pcs) --- General Purpose O-Rings - 317x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Regular price $860.95 AUD Regular price ~~$5,062.30 AUD~~ Sale price $860.95 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter (ID) 317.00 mm (Equiv. 12.48 in.)	Section (t) 5.00 mm (Equiv. 0.197 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31700-500-N70 General Purpose O-Rings - 317x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 317.00 mm (Equiv. 12.48 in.)	Section (t) 5.00 mm (Equiv. 0.197 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31700-500-N70 General Purpose O-Rings - 317x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 318.00 mm (Equiv. 12.52 in.)	Section (t) 3.50 mm (Equiv. 0.138 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31800-350-N70 General Purpose O-Rings - 318x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 318.00 mm (Equiv. 12.52 in.)	Section (t) 3.50 mm (Equiv. 0.138 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31800-350-N70 General Purpose O-Rings - 318x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 318.00 mm (Equiv. 12.52 in.)	Section (t) 4.00 mm (Equiv. 0.157 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31800-400-N70 General Purpose O-Rings - 318x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 318.00 mm (Equiv. 12.52 in.)	Section (t) 4.00 mm (Equiv. 0.157 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31800-400-N70 General Purpose O-Rings - 318x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 318.00 mm (Equiv. 12.52 in.)	Section (t) 5.00 mm (Equiv. 0.197 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31800-500-N70 General Purpose O-Rings - 318x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 318.00 mm (Equiv. 12.52 in.)	Section (t) 5.00 mm (Equiv. 0.197 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31800-500-N70 General Purpose O-Rings - 318x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 319.00 mm (Equiv. 12.559 in.)	Section (t) 3.50 mm (Equiv. 0.138 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31900-350-N70 General Purpose O-Rings - 319x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 319.00 mm (Equiv. 12.559 in.)	Section (t) 3.50 mm (Equiv. 0.138 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31900-350-N70 General Purpose O-Rings - 319x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 319.00 mm (Equiv. 12.559 in.)	Section (t) 4.00 mm (Equiv. 0.157 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31900-400-N70 General Purpose O-Rings - 319x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 319.00 mm (Equiv. 12.559 in.)	Section (t) 4.00 mm (Equiv. 0.157 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31900-400-N70 General Purpose O-Rings - 319x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 319.30 mm (Equiv. 12.571 in.)	Section (t) 5.70 mm (Equiv. 0.224 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31930-570-N70 General Purpose O-Rings - 319.3x5.7 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 319.30 mm (Equiv. 12.571 in.)	Section (t) 5.70 mm (Equiv. 0.224 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-31930-570-N70 General Purpose O-Rings - 319.3x5.7 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 320.00 mm (Equiv. 12.598 in.)	Section (t) 3.50 mm (Equiv. 0.138 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-32000-350-N70 (100 Pcs) General Purpose O-Rings - 320x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Out of Stock \| Backorder Now \| Orders can be expected around Wed, Nov 05, 2025 Regular price $308.68 AUD Regular price Sale price $308.68 AUD Unit price per Excludes GST and overseas Taxes & Duties Per 100 Quantity Required Backorder: Out of Stock.
Inside Diameter (ID) 320.00 mm (Equiv. 12.598 in.)	Section (t) 3.50 mm (Equiv. 0.138 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-32000-350-N70 (100 Pcs) General Purpose O-Rings - 320x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Out of Stock \| Backorder Now \| Orders can be expected around Wed, Nov 05, 2025 Regular price $308.68 AUD Regular price Sale price $308.68 AUD Unit price per Excludes GST and overseas Taxes & Duties Per 100 Quantity Required Backorder: Out of Stock.
OR-32000-350-N70 (100 Pcs) --- General Purpose O-Rings - 320x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring OR-32000-350-N70 (100 Pcs) --- General Purpose O-Rings - 320x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Regular price $308.68 AUD Regular price Sale price $308.68 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Inside Diameter (ID) 320.00 mm (Equiv. 12.598 in.)	Section (t) 4.00 mm (Equiv. 0.157 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-32000-400-N70 (100 Pcs) General Purpose O-Rings - 320x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Out of Stock \| Backorder Now \| Orders can be expected around Wed, Nov 05, 2025 Regular price $703.50 AUD Regular price Sale price $703.50 AUD Unit price per Excludes GST and overseas Taxes & Duties Per 100 Quantity Required Backorder: Out of Stock.
Inside Diameter (ID) 320.00 mm (Equiv. 12.598 in.)	Section (t) 4.00 mm (Equiv. 0.157 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-32000-400-N70 (100 Pcs) General Purpose O-Rings - 320x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Out of Stock \| Backorder Now \| Orders can be expected around Wed, Nov 05, 2025 Regular price $703.50 AUD Regular price Sale price $703.50 AUD Unit price per Excludes GST and overseas Taxes & Duties Per 100 Quantity Required Backorder: Out of Stock.
OR-32000-400-N70 (100 Pcs) --- General Purpose O-Rings - 320x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring OR-32000-400-N70 (100 Pcs) --- General Purpose O-Rings - 320x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Regular price $703.50 AUD Regular price Sale price $703.50 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Inside Diameter (ID) 320.00 mm (Equiv. 12.598 in.)	Section (t) 5.00 mm (Equiv. 0.197 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-32000-500-N70 (100 Pcs) General Purpose O-Rings - 320x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Out of Stock \| Backorder Now \| Orders can be expected around Wed, Nov 05, 2025 Regular price $631.50 AUD Regular price Sale price $631.50 AUD Unit price per Excludes GST and overseas Taxes & Duties Per 100 Quantity Required Backorder: Out of Stock.
Inside Diameter (ID) 320.00 mm (Equiv. 12.598 in.)	Section (t) 5.00 mm (Equiv. 0.197 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-32000-500-N70 (100 Pcs) General Purpose O-Rings - 320x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Out of Stock \| Backorder Now \| Orders can be expected around Wed, Nov 05, 2025 Regular price $631.50 AUD Regular price Sale price $631.50 AUD Unit price per Excludes GST and overseas Taxes & Duties Per 100 Quantity Required Backorder: Out of Stock.
OR-32000-500-N70 (100 Pcs) --- General Purpose O-Rings - 320x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring OR-32000-500-N70 (100 Pcs) --- General Purpose O-Rings - 320x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Regular price $631.50 AUD Regular price Sale price $631.50 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Inside Diameter (ID) 320.00 mm (Equiv. 12.598 in.)	Section (t) 6.00 mm (Equiv. 0.236 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-32000-600-N70 General Purpose O-Rings - 320x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID) 320.00 mm (Equiv. 12.598 in.)	Section (t) 6.00 mm (Equiv. 0.236 in.)	Colour Black	Hardness Duro 70
Material: Nitrile (NBR, BUNA-N)
Part Number: OR-32000-600-N70 General Purpose O-Rings - 320x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring Contact Us \| Item Discontinued - Please contact us if you need a large quantity Quantity Required Contact Us. These are priced to quit. Please contact us for a quote if you require more.

Miniature Bearings Australia Pty Ltd
3/8 Boyland Avenue
Coopers Plains, Queensland, Australia.
(ABN: 94 069 113 800)