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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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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:
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:
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:
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:
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:
BS269 221.84x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS269 221.84x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
221.84mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£65.49 exc VAT
Qty:
BS272 240.89x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS272 240.89x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
240.89mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£75.31 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:
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:
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:
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:
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:
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:
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:
BS166 171.12x 2.62mm Imperial Nitrile Orings (Pack of 10)
BS166 171.12x 2.62mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
171.12mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
2.62mm
£10.21 exc VAT
Qty:
BS168 183.83x 2.62mm Imperial Nitrile Orings (Pack of 10)
BS168 183.83x 2.62mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
183.83mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
2.62mm
£10.35 exc VAT
Qty:
BS174 221.93x 2.62mm Imperial Nitrile Orings (Pack of 10)
BS174 221.93x 2.62mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
221.93mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
2.62mm
£15.02 exc VAT
Qty:
BS175 228.28x 2.62mm Imperial Nitrile Orings (Pack of 10)
BS175 228.28x 2.62mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
228.28mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
2.62mm
£15.32 exc VAT
Qty:
BS177 240.98x 2.62mm Imperial Nitrile Orings (Pack of 10)
BS177 240.98x 2.62mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
240.98mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
2.62mm
£16.05 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:
BS351 120.02x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS351 120.02x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
120.02mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£11.55 exc VAT
Qty:
BS363 164.47x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS363 164.47x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
164.47mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£16.45 exc VAT
Qty:
BS364 170.82x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS364 170.82x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
170.82mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£17.20 exc VAT
Qty:
BS388 481.46x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS388 481.46x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
481.46mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£58.33 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:
BS425 113.67x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS425 113.67x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
113.67mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£15.00 exc VAT
Qty:
BS427 120.02x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS427 120.02x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
120.02mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£16.57 exc VAT
Qty:
BS443 189.87x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS443 189.87x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
189.87mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£21.56 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:
BS465 456.06x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS465 456.06x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
456.06mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£64.26 exc VAT
Qty:
BS466 468.76x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS466 468.76x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
468.76mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£68.00 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:
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:
BS846 74.60x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS846 74.60x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
74.60mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£18.66 exc VAT
Qty:
BS023 26.70x 1.78mm Imperial Viton Orings (Pack of 10)
BS023 26.70x 1.78mm Imperial Viton Orings (Pack of 10)
Inside Dia
26.70mm
Material
Viton
Measurement System
Imperial
Pack Size
10
Section
1.78mm
£11.35 exc VAT
Qty:
BS315 19.99x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS315 19.99x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
19.99mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£5.26 exc VAT
Qty:
BS317 23.17x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS317 23.17x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
23.17mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£5.46 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:
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:
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:
BS137 52.07x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS137 52.07x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
52.07mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£16.14 exc VAT
Qty:
BS145 64.77x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS145 64.77x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
64.77mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£18.53 exc VAT
Qty:
BS146 66.35x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS146 66.35x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
66.35mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£18.60 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:
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:
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:
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:
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:
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