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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 
BS377 253.37x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS377 253.37x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
253.37mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£110.96 exc VAT
Qty:
BS376 247.02x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS376 247.02x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
247.02mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£109.71 exc VAT
Qty:
BS395 658.88x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS395 658.88x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
658.88mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£109.49 exc VAT
Qty:
BS375 240.67x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS375 240.67x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
240.67mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£108.42 exc VAT
Qty:
BS450 266.07x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS450 266.07x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
266.07mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£108.29 exc VAT
Qty:
BS394 633.48x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS394 633.48x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
633.48mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£107.92 exc VAT
Qty:
BS473 608.08x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS473 608.08x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
608.08mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£107.61 exc VAT
Qty:
BS374 234.32x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS374 234.32x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
234.32mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£105.54 exc VAT
Qty:
BS472 582.68x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS472 582.68x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
582.68mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£104.80 exc VAT
Qty:
BS373 227.97x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS373 227.97x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
227.97mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£102.92 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:
BS371 215.27x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS371 215.27x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
215.27mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£101.59 exc VAT
Qty:
BS280 355.20x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS280 355.20x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
355.20mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£101.57 exc VAT
Qty:
BS448 240.67x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS448 240.67x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
240.67mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£97.47 exc VAT
Qty:
BS279 329.80x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS279 329.80x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
329.80mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£96.76 exc VAT
Qty:
BS370 208.92x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS370 208.92x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
208.92mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£96.27 exc VAT
Qty:
BS447 227.97x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS447 227.97x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
227.97mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£94.84 exc VAT
Qty:
BS471 557.66x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS471 557.66x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
557.66mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£94.82 exc VAT
Qty:
BS446 215.27x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS446 215.27x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
215.27mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£94.35 exc VAT
Qty:
BS278 304.39x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS278 304.39x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
304.39mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£93.14 exc VAT
Qty:
BS470 532.26x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS470 532.26x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
532.26mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£91.70 exc VAT
Qty:
BS445 202.57x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS445 202.57x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
202.57mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£91.19 exc VAT
Qty:
BS277 291.70x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS277 291.70x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
291.70mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£90.75 exc VAT
Qty:
BS369 202.57x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS369 202.57x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
202.57mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£89.60 exc VAT
Qty:
BS276 279.00x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS276 279.00x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
279.00mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£89.08 exc VAT
Qty:
BS444 196.22x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS444 196.22x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
196.22mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£88.73 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:
BS275 266.30x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS275 266.30x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
266.30mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£86.86 exc VAT
Qty:
BS443 189.87x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS443 189.87x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
189.87mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£86.23 exc VAT
Qty:
BS393 608.08x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS393 608.08x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
608.08mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£86.08 exc VAT
Qty:
BS468 494.16x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS468 494.16x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
494.16mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£86.08 exc VAT
Qty:
BS368 196.22x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS368 196.22x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
196.22mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£85.56 exc VAT
Qty:
BS442 183.52x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS442 183.52x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
183.52mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£84.95 exc VAT
Qty:
BS438 158.12x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS438 158.12x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
158.12mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£84.23 exc VAT
Qty:
BS392 582.68x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS392 582.68x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
582.68mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£83.90 exc VAT
Qty:
BS441 177.17x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS441 177.17x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
177.17mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£83.71 exc VAT
Qty:
BS440 170.82x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS440 170.82x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
170.82mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£82.99 exc VAT
Qty:
BS274 253.59x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS274 253.59x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
253.59mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£82.46 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:
BS437 151.77x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS437 151.77x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
151.77mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£81.14 exc VAT
Qty:
BS439 164.47x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS439 164.47x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
164.47mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£80.96 exc VAT
Qty:
BS436 148.60x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS436 148.60x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
148.60mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£80.25 exc VAT
Qty:
BS390 532.20x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS390 532.20x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
532.20mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£79.85 exc VAT
Qty:
BS367 189.87x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS367 189.87x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
189.87mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£78.89 exc VAT
Qty:
BS435 145.42x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS435 145.42x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
145.42mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£78.82 exc VAT
Qty:
BS178 247.33x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS178 247.33x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
247.33mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£77.63 exc VAT
Qty:
BS273 247.24x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS273 247.24x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
247.24mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£77.48 exc VAT
Qty:
BS434 142.24x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS434 142.24x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
142.24mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£77.16 exc VAT
Qty:
BS366 183.52x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS366 183.52x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
183.52mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£76.26 exc VAT
Qty:
BS433 139.07x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS433 139.07x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
139.07mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£75.80 exc VAT
Qty:
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