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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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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:
BS273 247.24x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS273 247.24x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
247.24mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£18.10 exc VAT
Qty:
BS271 234.54x 3.53mm Imperial Nitrile Orings (Pack of 10)
BS271 234.54x 3.53mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
234.54mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
3.53mm
£16.86 exc VAT
Qty:
BS173 215.58x 2.62mm Imperial Nitrile Orings (Pack of 10)
BS173 215.58x 2.62mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
215.58mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
2.62mm
£14.07 exc VAT
Qty:
BS050 133.07x 1.78mm Imperial Nitrile Orings (Pack of 10)
BS050 133.07x 1.78mm Imperial Nitrile Orings (Pack of 10)
Inside Dia
133.07mm
Material
Nitrile
Measurement System
Imperial
Pack Size
10
Section
1.78mm
£6.11 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:
BS429 126.37x 6.99mm Imperial Nitrile Orings (Pack of 100)
BS429 126.37x 6.99mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
126.37mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
6.99mm
£73.24 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:
BS262 177.40x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS262 177.40x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
177.40mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£47.92 exc VAT
Qty:
BS263 183.75x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS263 183.75x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
183.75mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£49.15 exc VAT
Qty:
BS027 33.05x 1.78mm Imperial Nitrile Orings (Pack of 100)
BS027 33.05x 1.78mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
33.05mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
1.78mm
£11.08 exc VAT
Qty:
BS034 53.67x 1.78mm Imperial Nitrile Orings (Pack of 100)
BS034 53.67x 1.78mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
53.67mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
1.78mm
£12.50 exc VAT
Qty:
BS268 215.49x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS268 215.49x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
215.49mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£60.31 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:
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:
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:
BS037 63.22x 1.78mm Imperial Nitrile Orings (Pack of 100)
BS037 63.22x 1.78mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
63.22mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
1.78mm
£13.73 exc VAT
Qty:
BS042 82.28x 1.78mm Imperial Nitrile Orings (Pack of 100)
BS042 82.28x 1.78mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
82.28mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
1.78mm
£17.19 exc VAT
Qty:
BS142 60.00x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS142 60.00x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
60.00mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£17.84 exc VAT
Qty:
BS252 132.94x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS252 132.94x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
132.94mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£34.64 exc VAT
Qty:
BS162 145.72x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS162 145.72x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
145.72mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£37.49 exc VAT
Qty:
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:
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:
BS140 56.82x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS140 56.82x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
56.82mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£17.45 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:
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:
BS132 44.12x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS132 44.12x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
44.12mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£15.39 exc VAT
Qty:
BS356 135.90x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS356 135.90x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
135.90mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£54.98 exc VAT
Qty:
BS344 97.80x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS344 97.80x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
97.80mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£42.54 exc VAT
Qty:
BS340 85.09x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS340 85.09x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
85.09mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£36.12 exc VAT
Qty:
BS355 132.72x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS355 132.72x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
132.72mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£53.64 exc VAT
Qty:
BS133 45.69x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS133 45.69x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
45.69mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£15.57 exc VAT
Qty:
BS138 53.65x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS138 53.65x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
53.65mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£16.26 exc VAT
Qty:
BS227 53.57x 3.53mm Imperial Nitrile Orings (Pack of 100)
BS227 53.57x 3.53mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
53.57mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
3.53mm
£17.20 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:
BS127 36.17x 2.62mm Imperial Nitrile Orings (Pack of 100)
BS127 36.17x 2.62mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
36.17mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
2.62mm
£14.63 exc VAT
Qty:
BS343 94.62x 5.33mm Imperial Nitrile Orings (Pack of 100)
BS343 94.62x 5.33mm Imperial Nitrile Orings (Pack of 100)
Inside Dia
94.62mm
Material
Nitrile
Measurement System
Imperial
Pack Size
100
Section
5.33mm
£40.58 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:
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:
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:
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:
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:
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:
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:
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:
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:
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:
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:
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