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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 
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
Qty:
BS445 202.57x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS445 202.57x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
202.57mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£23.39 exc VAT
Qty:
BS446 215.27x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS446 215.27x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
215.27mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£23.60 exc VAT
Qty:
BS447 227.97x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS447 227.97x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
227.97mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£23.71 exc VAT
Qty:
BS280 355.20x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS280 355.20x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
355.20mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£23.72 exc VAT
Qty:
BS371 215.27x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS371 215.27x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
215.27mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£23.74 exc VAT
Qty:
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
Qty:
BS156 107.63x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS156 107.63x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
107.63mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£23.87 exc VAT
Qty:
BS373 227.97x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS373 227.97x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
227.97mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£24.04 exc VAT
Qty:
BS448 240.67x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS448 240.67x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
240.67mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£24.36 exc VAT
Qty:
BS046 107.70x 1.78mm Imperial Nitrile Orings (Pack of 100)
BS046 107.70x 1.78mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
107.70mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
1.78mm
£24.45 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:
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:
BS047 114.00x 1.78mm Imperial Nitrile Orings (Pack of 100)
BS047 114.00x 1.78mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
114.00mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
1.78mm
£24.75 exc VAT
Qty:
BS048 120.40x 1.78mm Imperial Nitrile Orings (Pack of 100)
BS048 120.40x 1.78mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
120.40mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
1.78mm
£24.93 exc VAT
Qty:
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
Qty:
BS049 126.76x 1.78mm Imperial Nitrile Orings (Pack of 100)
BS049 126.76x 1.78mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
126.76mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
1.78mm
£25.22 exc VAT
Qty:
BS243 104.37x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS243 104.37x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
104.37mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£25.22 exc VAT
Qty:
BS375 240.67x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS375 240.67x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
240.67mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£25.33 exc VAT
Qty:
BS332 59.70x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS332 59.70x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
59.70mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£25.41 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:
BS376 247.02x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS376 247.02x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
247.02mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£25.64 exc VAT
Qty:
BS377 253.37x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS377 253.37x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
253.37mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£25.93 exc VAT
Qty:
BS244 107.54x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS244 107.54x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
107.54mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£25.97 exc VAT
Qty:
BS158 120.33x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS158 120.33x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
120.33mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£26.08 exc VAT
Qty:
BS281 380.60x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS281 380.60x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
380.60mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£26.22 exc VAT
Qty:
BS050 133.07x 1.78mm Imperial Nitrile Orings (Pack of 100)
BS050 133.07x 1.78mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
133.07mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
1.78mm
£26.26 exc VAT
Qty:
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
Qty:
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
Qty:
BS378 266.07x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS378 266.07x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
266.07mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£26.40 exc VAT
Qty:
BS379 278.77x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS379 278.77x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
278.77mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£26.56 exc VAT
Qty:
BS333 62.87x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS333 62.87x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
62.87mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£26.78 exc VAT
Qty:
BS450 266.07x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS450 266.07x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
266.07mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£27.07 exc VAT
Qty:
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
Qty:
BS246 113.90x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS246 113.90x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
113.90mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£27.44 exc VAT
Qty:
BS380 291.47x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS380 291.47x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
291.47mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£27.85 exc VAT
Qty:
BS381 304.17x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS381 304.17x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
304.17mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£28.10 exc VAT
Qty:
BS247 117.07x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS247 117.07x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
117.07mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£28.95 exc VAT
Qty:
BS334 66.04x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS334 66.04x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
66.04mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£29.11 exc VAT
Qty:
BS451 278.77x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS451 278.77x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
278.77mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£29.32 exc VAT
Qty:
BS382 329.57x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS382 329.57x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
329.57mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£29.99 exc VAT
Qty:
BS248 120.25x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS248 120.25x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
120.25mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£30.09 exc VAT
Qty:
BS335 69.22x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS335 69.22x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
69.22mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£30.57 exc VAT
Qty:
BS336 72.40x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS336 72.40x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
72.40mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£30.75 exc VAT
Qty:
BS249 123.42x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS249 123.42x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
123.42mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£31.57 exc VAT
Qty:
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
Qty:
BS337 75.57x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS337 75.57x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
75.57mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£32.45 exc VAT
Qty:
BS250 126.60x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS250 126.60x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
126.60mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£33.00 exc VAT
Qty:
BS251 129.77x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS251 129.77x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
129.77mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£33.61 exc VAT
Qty:
BS338 78.74x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS338 78.74x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
78.74mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£34.20 exc VAT
Qty:
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