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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 
BS161 139.38x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS161 139.38x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
139.38mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£34.30 exc VAT
Qty:
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
Qty:
BS383 354.97x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS383 354.97x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
354.97mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£34.94 exc VAT
Qty:
BS339 81.92x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS339 81.92x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
81.92mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£35.78 exc VAT
Qty:
BS253 136.12x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS253 136.12x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
136.12mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£35.81 exc VAT
Qty:
BS340 85.09x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS340 85.09x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
85.09mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£36.12 exc VAT
Qty:
BS254 139.30x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS254 139.30x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
139.30mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£37.09 exc VAT
Qty:
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
Qty:
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
Qty:
BS341 88.27x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS341 88.27x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
88.27mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£37.80 exc VAT
Qty:
BS255 142.47x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS255 142.47x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
142.47mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£38.23 exc VAT
Qty:
BS163 152.07x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS163 152.07x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
152.07mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£38.54 exc VAT
Qty:
BS342 91.44x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS342 91.44x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
91.44mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£38.76 exc VAT
Qty:
BS164 158.01x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS164 158.01x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
158.01mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£38.80 exc VAT
Qty:
BS283 430.66x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS283 430.66x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
430.66mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£39.33 exc VAT
Qty:
BS256 145.65x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS256 145.65x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
145.65mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£39.60 exc VAT
Qty:
BS284 456.06x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS284 456.06x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
456.06mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£39.92 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:
BS257 148.82x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS257 148.82x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
148.82mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£40.17 exc VAT
Qty:
BS343 94.62x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS343 94.62x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
94.62mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£40.58 exc VAT
Qty:
BS258 151.99x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS258 151.99x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
151.99mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£41.12 exc VAT
Qty:
BS453 304.17x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS453 304.17x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
304.17mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£41.17 exc VAT
Qty:
BS259 158.35x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS259 158.35x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
158.35mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£41.74 exc VAT
Qty:
BS165 164.78x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS165 164.78x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
164.78mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£42.02 exc VAT
Qty:
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
Qty:
BS166 171.12x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS166 171.12x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
171.12mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£43.67 exc VAT
Qty:
BS260 164.70x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS260 164.70x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
164.70mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£44.01 exc VAT
Qty:
BS345 100.97x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS345 100.97x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
100.97mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£44.07 exc VAT
Qty:
BS167 177.47x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS167 177.47x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
177.47mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£44.30 exc VAT
Qty:
BS346 104.14x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS346 104.14x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
104.14mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£44.67 exc VAT
Qty:
BS261 171.05x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS261 171.05x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
171.05mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£45.47 exc VAT
Qty:
BS347 107.32x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS347 107.32x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
107.32mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£45.47 exc VAT
Qty:
BS384 380.37x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS384 380.37x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
380.37mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£45.56 exc VAT
Qty:
BS348 110.49x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS348 110.49x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
110.49mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£46.46 exc VAT
Qty:
BS349 113.67x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS349 113.67x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
113.67mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£47.52 exc VAT
Qty:
BS168 183.83x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS168 183.83x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
183.83mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£47.70 exc VAT
Qty:
BS262 177.40x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS262 177.40x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
177.40mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£47.92 exc VAT
Qty:
BS350 116.84x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS350 116.84x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
116.84mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£48.17 exc VAT
Qty:
BS454 316.87x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS454 316.87x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
316.87mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£48.97 exc VAT
Qty:
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
Qty:
BS351 120.02x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS351 120.02x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
120.02mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£49.44 exc VAT
Qty:
BS169 190.18x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS169 190.18x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
190.18mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£49.83 exc VAT
Qty:
BS264 190.10x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS264 190.10x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
190.10mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£50.14 exc VAT
Qty:
BS352 123.20x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS352 123.20x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
123.20mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£50.77 exc VAT
Qty:
BS455 329.57x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS455 329.57x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
329.57mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£51.16 exc VAT
Qty:
BS385 405.26x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS385 405.26x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
405.26mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£51.47 exc VAT
Qty:
BS170 196.53x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS170 196.53x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
196.53mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£51.74 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:
BS265 196.44x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS265 196.44x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
196.44mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£52.15 exc VAT
Qty:
BS353 126.37x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS353 126.37x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
126.37mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£52.35 exc VAT
Qty:
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