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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.
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BS362 158.12x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS362 158.12x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
158.12mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£65.41 exc VAT
Qty:
BS039 69.57x 1.78mm Imperial Nitrile Orings (Pack of 100)
BS039 69.57x 1.78mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
69.57mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
1.78mm
£14.55 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:
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:
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:
BS178 247.33x 2.62mm Imperial Nitrile Orings (Pack of 10)
BS178 247.33x 2.62mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
247.33mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
2.62mm
£18.14 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:
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:
BS164 158.01x 2.62mm Imperial Nitrile Orings (Pack of 10)
BS164 158.01x 2.62mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
158.01mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
2.62mm
£9.07 exc VAT
Qty:
BS330 53.34x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS330 53.34x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
53.34mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£22.30 exc VAT
Qty:
BS129 39.34x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS129 39.34x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
39.34mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£14.85 exc VAT
Qty:
BS148 69.52x 2.62mm Imperial Nitrile Orings (Pack of 10)
BS148 69.52x 2.62mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
69.52mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
2.62mm
£4.38 exc VAT
Qty:
BS442 183.52x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS442 183.52x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
183.52mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£21.23 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:
BS441 177.17x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS441 177.17x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
177.17mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£20.92 exc VAT
Qty:
BS329 50.16x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS329 50.16x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
50.16mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£19.83 exc VAT
Qty:
BS033 50.52x 1.78mm Imperial Nitrile Orings (Pack of 100)
BS033 50.52x 1.78mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
50.52mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
1.78mm
£12.38 exc VAT
Qty:
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
Qty:
BS452 291.47x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS452 291.47x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
291.47mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£39.92 exc VAT
Qty:
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
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:
BS449 253.57x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS449 253.57x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
253.57mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£25.60 exc VAT
Qty:
BS444 196.22x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS444 196.22x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
196.22mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£22.19 exc VAT
Qty:
BS123 29.82x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS123 29.82x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
29.82mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£13.86 exc VAT
Qty:
BS149 71.12x 2.62mm Imperial Nitrile Orings (Pack of 10)
BS149 71.12x 2.62mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
71.12mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
2.62mm
£4.52 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:
BS236 82.14x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS236 82.14x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
82.14mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£4.90 exc VAT
Qty:
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
Qty:
BS149 71.12x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS149 71.12x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
71.12mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£19.30 exc VAT
Qty:
BS267 209.14x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS267 209.14x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
209.14mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£58.86 exc VAT
Qty:
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
Qty:
BS254 139.30x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS254 139.30x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
139.30mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£8.68 exc VAT
Qty:
BS265 196.44x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS265 196.44x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
196.44mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£12.19 exc VAT
Qty:
BS242 101.20x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS242 101.20x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
101.20mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£24.59 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:
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:
BS429 126.37x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS429 126.37x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
126.37mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£73.24 exc VAT
Qty:
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
Qty:
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
Qty:
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
Qty:
BS846 74.60x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS846 74.60x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
74.60mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£3.73 exc VAT
Qty:
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
Qty:
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
Qty:
BS277 291.70x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS277 291.70x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
291.70mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£21.20 exc VAT
Qty:
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
Qty:
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:
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
Qty:
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
Qty:
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
Qty:
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
Qty:
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