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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 
BS144 63.17x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS144 63.17x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
63.17mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£18.22 exc VAT
Qty:
BS328 47.00x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS328 47.00x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
47.00mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£18.38 exc VAT
Qty:
BS435 145.42x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS435 145.42x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
145.42mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£18.42 exc VAT
Qty:
BS367 189.87x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS367 189.87x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
189.87mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£18.43 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:
BS230 63.09x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS230 63.09x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
63.09mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£18.54 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:
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:
BS436 148.60x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS436 148.60x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
148.60mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£18.75 exc VAT
Qty:
BS147 67.95x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS147 67.95x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
67.95mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£18.82 exc VAT
Qty:
BS148 69.52x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS148 69.52x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
69.52mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£18.90 exc VAT
Qty:
BS437 151.77x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS437 151.77x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
151.77mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£18.96 exc VAT
Qty:
BS274 253.59x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS274 253.59x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
253.59mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£19.26 exc VAT
Qty:
BS149 71.12x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS149 71.12x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
71.12mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£19.30 exc VAT
Qty:
BS231 66.27x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS231 66.27x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
66.27mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£19.30 exc VAT
Qty:
BS150 72.69x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS150 72.69x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
72.69mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£19.60 exc VAT
Qty:
BS438 158.12x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS438 158.12x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
158.12mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£19.67 exc VAT
Qty:
BS151 75.87x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS151 75.87x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
75.87mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£19.80 exc VAT
Qty:
BS329 50.16x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS329 50.16x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
50.16mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£19.83 exc VAT
Qty:
BS232 69.44x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS232 69.44x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
69.44mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£19.89 exc VAT
Qty:
BS368 196.22x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS368 196.22x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
196.22mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£19.98 exc VAT
Qty:
BS439 164.47x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS439 164.47x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
164.47mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£20.24 exc VAT
Qty:
BS233 72.62x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS233 72.62x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
72.62mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£20.25 exc VAT
Qty:
BS275 266.30x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS275 266.30x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
266.30mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£20.30 exc VAT
Qty:
BS152 82.22x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS152 82.22x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
82.22mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£20.32 exc VAT
Qty:
BS234 75.80x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS234 75.80x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
75.80mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£20.47 exc VAT
Qty:
BS235 78.97x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS235 78.97x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
78.97mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£20.64 exc VAT
Qty:
BS440 170.82x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS440 170.82x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
170.82mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£20.74 exc VAT
Qty:
BS276 279.00x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS276 279.00x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
279.00mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£20.81 exc VAT
Qty:
BS441 177.17x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS441 177.17x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
177.17mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£20.92 exc VAT
Qty:
BS369 202.57x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS369 202.57x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
202.57mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£20.94 exc VAT
Qty:
BS236 82.14x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS236 82.14x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
82.14mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£20.99 exc VAT
Qty:
BS153 88.57x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS153 88.57x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
88.57mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£21.20 exc VAT
Qty:
BS277 291.70x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS277 291.70x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
291.70mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£21.20 exc VAT
Qty:
BS442 183.52x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS442 183.52x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
183.52mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£21.23 exc VAT
Qty:
BS237 85.32x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS237 85.32x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
85.32mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£21.27 exc VAT
Qty:
BS238 88.50x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS238 88.50x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
88.50mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£21.49 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:
BS278 304.39x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS278 304.39x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
304.39mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£21.75 exc VAT
Qty:
BS154 94.93x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS154 94.93x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
94.93mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£21.85 exc VAT
Qty:
BS043 88.62x 1.78mm Imperial Nitrile Orings (Pack of 100)
BS043 88.62x 1.78mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
88.62mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
1.78mm
£21.98 exc VAT
Qty:
BS444 196.22x 6.99mm Imperial Nitrile Orings (Pack of 10)
BS444 196.22x 6.99mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
196.22mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
6.99mm
£22.19 exc VAT
Qty:
BS239 91.67x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS239 91.67x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
91.67mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£22.22 exc VAT
Qty:
BS330 53.34x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS330 53.34x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
53.34mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£22.30 exc VAT
Qty:
BS370 208.92x 5.33mm Imperial Nitrile Orings (Pack of 10)
BS370 208.92x 5.33mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
208.92mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
5.33mm
£22.49 exc VAT
Qty:
BS240 94.84x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS240 94.84x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
94.84mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£22.51 exc VAT
Qty:
BS279 329.80x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS279 329.80x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
329.80mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£22.61 exc VAT
Qty:
BS155 101.27x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS155 101.27x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
101.27mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£22.65 exc VAT
Qty:
BS241 98.02x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS241 98.02x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
98.02mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£22.65 exc VAT
Qty:
BS331 56.52x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS331 56.52x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
56.52mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£22.82 exc VAT
Qty:
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