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Imperial O-rings (British Standard)

Bearings Oil Seals & O-rings O-rings

Browse our comprehensive range of British Standard (BS) imperial O-rings, manufactured from high-quality nitrile rubber with options available in alternative materials including Viton, silicone, PTFE and EPDM upon request. Our extensive selection features over 600 variants with inside diameters ranging from 1.78mm to 582.68mm and cross sections from 1.78mm to 6.99mm, available in both 10-pack and 100-pack quantities. These versatile sealing solutions offer excellent resistance to oils, chemicals, and high temperatures, making them ideal for numerous industrial applications including hydraulic systems, pumps, plumbing fixtures, and agricultural equipment. All O-rings are manufactured to precise British Standard specifications, ensuring consistent quality and reliable sealing performance when properly installed in grooved applications, effectively preventing leakage between mating surfaces across a wide range of static and dynamic uses.
Have you also tried: O-ring Cord  Metric Flanged Oilite Bearings  Metric Oil Seals  Male Parallel Hose Tail BSPP 
BS273 247.24x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS273 247.24x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
247.24mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£18.10 exc VAT
Qty:
BS434 142.24x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS434 142.24x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
142.24mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£18.03 exc VAT
Qty:
BS143 61.60x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS143 61.60x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
61.60mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£17.92 exc VAT
Qty:
BS229 59.92x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS229 59.92x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
59.92mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£17.87 exc VAT
Qty:
BS142 60.00x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS142 60.00x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
60.00mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£17.84 exc VAT
Qty:
BS366 183.52x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS366 183.52x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
183.52mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£17.82 exc VAT
Qty:
BS433 139.07x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS433 139.07x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
139.07mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£17.71 exc VAT
Qty:
BS141 58.42x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS141 58.42x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
58.42mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£17.67 exc VAT
Qty:
BS228 56.74x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS228 56.74x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
56.74mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£17.61 exc VAT
Qty:
BS272 240.89x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS272 240.89x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
240.89mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£17.61 exc VAT
Qty:
BS365 177.17x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS365 177.17x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
177.17mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£17.61 exc VAT
Qty:
BS432 135.90x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS432 135.90x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
135.90mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£17.50 exc VAT
Qty:
BS140 56.82x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS140 56.82x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
56.82mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£17.45 exc VAT
Qty:
BS431 132.72x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS431 132.72x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
132.72mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£17.34 exc VAT
Qty:
BS227 53.57x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS227 53.57x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
53.57mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£17.20 exc VAT
Qty:
BS364 170.82x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS364 170.82x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
170.82mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£17.20 exc VAT
Qty:
BS042 82.28x 1.78mm Imperial Nitrile Orings (Pack of 100)
BS042 82.28x 1.78mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
82.28mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
1.78mm
£17.19 exc VAT
Qty:
BS430 129.54x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS430 129.54x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
129.54mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£17.18 exc VAT
Qty:
BS429 126.37x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS429 126.37x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
126.37mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£17.12 exc VAT
Qty:
BS226 50.40x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS226 50.40x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
50.40mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£16.91 exc VAT
Qty:
BS271 234.54x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS271 234.54x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
234.54mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£16.86 exc VAT
Qty:
BS327 43.82x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS327 43.82x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
43.82mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£16.78 exc VAT
Qty:
BS428 123.20x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS428 123.20x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
123.20mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£16.58 exc VAT
Qty:
BS427 120.02x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS427 120.02x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
120.02mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£16.57 exc VAT
Qty:
BS225 47.22x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS225 47.22x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
47.22mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£16.50 exc VAT
Qty:
BS139 55.25x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS139 55.25x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
55.25mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£16.45 exc VAT
Qty:
BS363 164.47x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS363 164.47x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
164.47mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£16.45 exc VAT
Qty:
BS138 53.65x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS138 53.65x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
53.65mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£16.26 exc VAT
Qty:
BS426 116.84x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS426 116.84x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
116.84mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£16.24 exc VAT
Qty:
BS137 52.07x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS137 52.07x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
52.07mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£16.14 exc VAT
Qty:
BS177 240.98x 2.62mm Imperial Nitrile Orings (Pack of 10)
BS177 240.98x 2.62mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
240.98mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
2.62mm
£16.05 exc VAT
Qty:
BS136 50.47x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS136 50.47x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
50.47mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£15.98 exc VAT
Qty:
BS224 44.04x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS224 44.04x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
44.04mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£15.97 exc VAT
Qty:
BS326 40.65x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS326 40.65x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
40.65mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£15.85 exc VAT
Qty:
BS135 48.90x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS135 48.90x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
48.90mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£15.84 exc VAT
Qty:
BS223 40.87x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS223 40.87x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
40.87mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£15.71 exc VAT
Qty:
BS270 228.19x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS270 228.19x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
228.19mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£15.71 exc VAT
Qty:
BS134 47.29x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS134 47.29x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
47.29mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£15.65 exc VAT
Qty:
BS176 234.63x 2.62mm Imperial Nitrile Orings (Pack of 10)
BS176 234.63x 2.62mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
234.63mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
2.62mm
£15.61 exc VAT
Qty:
BS133 45.69x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS133 45.69x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
45.69mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£15.57 exc VAT
Qty:
BS132 44.12x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS132 44.12x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
44.12mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£15.39 exc VAT
Qty:
BS041 75.92x 1.78mm Imperial Nitrile Orings (Pack of 100)
BS041 75.92x 1.78mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
75.92mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
1.78mm
£15.33 exc VAT
Qty:
BS175 228.28x 2.62mm Imperial Nitrile Orings (Pack of 10)
BS175 228.28x 2.62mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
228.28mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
2.62mm
£15.32 exc VAT
Qty:
BS269 221.84x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS269 221.84x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
221.84mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£15.30 exc VAT
Qty:
BS131 42.52x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS131 42.52x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
42.52mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£15.29 exc VAT
Qty:
BS362 158.12x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS362 158.12x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
158.12mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£15.29 exc VAT
Qty:
BS130 40.95x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS130 40.95x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
40.95mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£15.18 exc VAT
Qty:
BS174 221.93x 2.62mm Imperial Nitrile Orings (Pack of 10)
BS174 221.93x 2.62mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
221.93mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
2.62mm
£15.02 exc VAT
Qty:
BS425 113.67x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS425 113.67x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
113.67mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£15.00 exc VAT
Qty:
BS222 37.69x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS222 37.69x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
37.69mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£14.92 exc VAT
Qty:
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