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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 
BS275 266.30x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS275 266.30x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
266.30mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£20.30 exc VAT
BS374 234.32x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS374 234.32x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
234.32mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£24.67 exc VAT
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
BS034 53.67x 1.78mm Imperial Nitrile Orings (Pack of 100)
BS034 53.67x 1.78mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
53.67mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
1.78mm
£12.50 exc VAT
BS035 56.87x 1.78mm Imperial Nitrile Orings (Pack of 100)
BS035 56.87x 1.78mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
56.87mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
1.78mm
£12.93 exc VAT
BS351 120.02x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS351 120.02x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
120.02mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£11.55 exc VAT
BS350 116.84x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS350 116.84x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
116.84mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£11.25 exc VAT
BS038 66.40x 1.78mm Imperial Nitrile Orings (Pack of 100)
BS038 66.40x 1.78mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
66.40mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
1.78mm
£14.23 exc VAT
BS206 12.29x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS206 12.29x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
12.29mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£4.53 exc VAT
BS162 145.72x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS162 145.72x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
145.72mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£37.49 exc VAT
BS160 133.00x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS160 133.00x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
133.00mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£31.72 exc VAT
BS159 126.67x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS159 126.67x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
126.67mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£27.16 exc VAT
BS157 113.98x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS157 113.98x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
113.98mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£25.19 exc VAT
BS050 133.07x 1.78mm Imperial Nitrile Orings (Pack of 10)
BS050 133.07x 1.78mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
133.07mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
1.78mm
£6.11 exc VAT
BS153 88.57x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS153 88.57x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
88.57mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£21.20 exc VAT
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
BS173 215.58x 2.62mm Imperial Nitrile Orings (Pack of 10)
BS173 215.58x 2.62mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
215.58mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
2.62mm
£14.07 exc VAT
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
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
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
BS245 110.72x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS245 110.72x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
110.72mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£26.38 exc VAT
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
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
BS127 36.17x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS127 36.17x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
36.17mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£14.63 exc VAT
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
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
BS278 304.39x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS278 304.39x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
304.39mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£21.75 exc VAT
BS282 405.26x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS282 405.26x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
405.26mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£37.44 exc VAT
BS449 253.57x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS449 253.57x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
253.57mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£102.41 exc VAT
BS045 101.34x 1.78mm Imperial Nitrile Orings (Pack of 100)
BS045 101.34x 1.78mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
101.34mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
1.78mm
£23.85 exc VAT
BS044 94.97x 1.78mm Imperial Nitrile Orings (Pack of 100)
BS044 94.97x 1.78mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
94.97mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
1.78mm
£22.89 exc VAT
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
BS037 63.22x 1.78mm Imperial Nitrile Orings (Pack of 100)
BS037 63.22x 1.78mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
63.22mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
1.78mm
£13.73 exc VAT
BS252 132.94x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS252 132.94x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
132.94mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£34.64 exc VAT
BS458 367.67x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS458 367.67x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
367.67mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£53.65 exc VAT
BS344 97.80x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS344 97.80x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
97.80mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£42.54 exc VAT
BS456 342.27x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS456 342.27x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
342.27mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£51.78 exc VAT
BS355 132.72x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS355 132.72x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
132.72mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£53.64 exc VAT
BS438 158.12x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS438 158.12x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
158.12mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£19.67 exc VAT
BS435 145.42x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS435 145.42x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
145.42mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£18.42 exc VAT
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
BS328 47.00x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS328 47.00x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
47.00mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£18.38 exc VAT
BS391 557.60x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS391 557.60x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
557.60mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£82.34 exc VAT
BS469 506.86x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS469 506.86x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
506.86mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£87.65 exc VAT
BS389 506.81x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS389 506.81x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
506.81mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£66.12 exc VAT
BS387 456.06x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS387 456.06x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
456.06mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£56.16 exc VAT
BS372 221.62x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS372 221.62x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
221.62mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£26.28 exc VAT
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
BS023 26.70x 1.78mm Imperial Viton Orings (Pack of 10)
BS023 26.70x 1.78mm Imperial Viton Orings (Pack of 10)
Inside Dia
26.70mm
Material
Viton
Measurement System
Imperial
Pack Size
10
Section
1.78mm
£11.35 exc VAT
BS263 183.75x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS263 183.75x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
183.75mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£49.15 exc VAT
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