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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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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:
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:
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:
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:
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:
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:
BS451 278.77x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS451 278.77x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
278.77mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£117.28 exc VAT
Qty:
BS452 291.47x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS452 291.47x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
291.47mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£159.70 exc VAT
Qty:
BS453 304.17x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS453 304.17x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
304.17mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£164.68 exc VAT
Qty:
BS454 316.87x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS454 316.87x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
316.87mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£195.88 exc VAT
Qty:
BS455 329.57x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS455 329.57x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
329.57mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£204.61 exc VAT
Qty:
BS456 342.27x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS456 342.27x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
342.27mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£207.10 exc VAT
Qty:
BS457 354.97x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS457 354.97x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
354.97mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£210.84 exc VAT
Qty:
BS458 367.67x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS458 367.67x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
367.67mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£214.59 exc VAT
Qty:
BS459 380.37x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS459 380.37x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
380.37mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£218.34 exc VAT
Qty:
BS460 393.07x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS460 393.07x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
393.07mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£232.06 exc VAT
Qty:
BS461 405.26x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS461 405.26x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
405.26mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£235.80 exc VAT
Qty:
BS462 417.96x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS462 417.96x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
417.96mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£239.54 exc VAT
Qty:
BS463 430.66x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS463 430.66x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
430.66mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£243.29 exc VAT
Qty:
BS464 443.36x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS464 443.36x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
443.36mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£247.03 exc VAT
Qty:
BS465 456.06x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS465 456.06x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
456.06mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£257.01 exc VAT
Qty:
BS466 468.76x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS466 468.76x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
468.76mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£271.99 exc VAT
Qty:
BS467 481.46x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS467 481.46x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
481.46mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£298.18 exc VAT
Qty:
BS468 494.16x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS468 494.16x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
494.16mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£344.34 exc VAT
Qty:
BS469 506.86x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS469 506.86x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
506.86mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£350.58 exc VAT
Qty:
BS470 532.26x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS470 532.26x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
532.26mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£366.80 exc VAT
Qty:
BS471 557.66x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS471 557.66x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
557.66mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£379.28 exc VAT
Qty:
BS472 582.68x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS472 582.68x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
582.68mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£419.20 exc VAT
Qty:
BS473 608.08x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS473 608.08x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
608.08mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£430.43 exc VAT
Qty:
BS474 633.48x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS474 633.48x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
633.48mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£444.15 exc VAT
Qty:
BS475 658.88x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS475 658.88x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
658.88mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£455.39 exc VAT
Qty:
BS253 136.12x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS253 136.12x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
136.12mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£8.37 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:
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:
BS359 145.42x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS359 145.42x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
145.42mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£14.07 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:
BS386 430.66x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS386 430.66x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
430.66mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£54.59 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:
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:
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:
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:
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:
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:
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:
BS461 405.26x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS461 405.26x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
405.26mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£58.96 exc VAT
Qty:
BS462 417.96x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS462 417.96x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
417.96mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£59.89 exc VAT
Qty:
BS464 443.36x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS464 443.36x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
443.36mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£61.76 exc VAT
Qty:
BS467 481.46x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS467 481.46x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
481.46mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£74.54 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:
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:
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