Viton® Back-Up Rings FKM 90 BS201 to BS284

£0.2891£23.4177

Back-up rings should generally be used for dynamic applications over 100 bar, and static applications around 950 bar. Each application can vary, therefore it is essential to use this as a general guideline only

Traditionally PTFE has been used but in recent years, contoured elastomer rings have been developed and are now widely used. Eastern Seals supplies a wide range of back-up ring profiles and materials to complement each seal type and to suit every application. We hold large stocks of Contoured rings in both Nitrile and Viton®.

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Product Information

  Back-Up Rings
ES RefSize
Price per unit
1 - 100101 - 250251 - 500501 - 10001001 - *
Quantity
BS201BUCOV904.35X3.53MM
£0.2891£0.2544£0.2197£0.1879£0.1590

Available on backorder

BS202BUCOV905.94X3.53MM
£0.3238£0.2849£0.2461£0.2105£0.1781

1920 in stock (can be backordered)

BS203BUCOV907.52X3.53MM
£0.3547£0.3121£0.2696£0.2306£0.1951

Available on backorder

BS204BUCOV909.12X3.53MM
£0.3931£0.3459£0.2988£0.2555£0.2162

500 in stock (can be backordered)

BS205BUCOV9010.69X3.53MM
£0.4530£0.3986£0.3443£0.2945£0.2492

Available on backorder

BS206BUCOV9012.29X3.53MM
£0.4690£0.4127£0.3564£0.3049£0.2580

235 in stock (can be backordered)

BS207BUCOV9013.87X3.53MM
£0.4915£0.4325£0.3735£0.3195£0.2703

350 in stock (can be backordered)

BS208BUCOV9015.47X3.53MM
£0.5139£0.4522£0.3906£0.3340£0.2826

Available on backorder

BS209BUCOV9017.04X3.53MM
£0.5411£0.4762£0.4112£0.3517£0.2976

350 in stock (can be backordered)

BS210BUCOV9018.64X3.53MM
£0.5568£0.4900£0.4232£0.3619£0.3062

1310 in stock (can be backordered)

BS211BUCOV9020.22X3.53MM
£0.5766£0.5074£0.4382£0.3748£0.3171

100 in stock (can be backordered)

BS212BUCOV9021.82X3.53MM
£0.6028£0.5305£0.4581£0.3918£0.3315

377 in stock (can be backordered)

BS213BUCOV9023.39X3.53MM
£0.6224£0.5477£0.4730£0.4046£0.3423

1924 in stock (can be backordered)

BS214BUCOV9024.99X3.53MM
£0.6440£0.5667£0.4894£0.4186£0.3542

560 in stock (can be backordered)

BS215BUCOV9026.57X3.53MM
£0.6776£0.5963£0.5150£0.4404£0.3727

1490 in stock (can be backordered)

BS216BUCOV9028.17X3.53MM
£0.7096£0.6244£0.5393£0.4612£0.3903

3106 in stock (can be backordered)

BS217BUCOV9029.74X3.53MM
£0.7638£0.6721£0.5805£0.4965£0.4201

100 in stock (can be backordered)

BS218BUCOV9031.34X3.53MM
£0.8077£0.7108£0.6139£0.5250£0.4442

531 in stock (can be backordered)

BS219BUCOV9032.92X3.53MM
£0.8733£0.7685£0.6637£0.5676£0.4803

188 in stock (can be backordered)

BS220BUCOV9034.52X3.53MM
£0.9229£0.8122£0.7014£0.5999£0.5076

1858 in stock (can be backordered)

BS221BUCOV9036.09X3.53MM
£0.9828£0.8649£0.7469£0.6388£0.5405

3468 in stock (can be backordered)

BS222BUCOV9037.69X3.53MM
£1.0372£0.9127£0.7883£0.6742£0.5705

2012 in stock (can be backordered)

BS223BUCOV9040.87X3.53MM
£1.1139£0.9802£0.8466£0.7240£0.6126

1833 in stock (can be backordered)

BS224BUCOV9044.04X3.53MM
£1.2009£1.0568£0.9127£0.7806£0.6605

1814 in stock (can be backordered)

BS225BUCOV9047.22X3.53MM
£1.2553£1.1047£0.9540£0.8159£0.6904

2104 in stock (can be backordered)

BS226BUCOV9050.39X3.53MM
£1.3872£1.2207£1.0543£0.9017£0.7630

2146 in stock (can be backordered)

BS227BUCOV9053.57X3.53MM
£1.4957£1.3162£1.1367£0.9722£0.8226

3984 in stock (can be backordered)

BS228BUCOV9056.74X3.53MM
£1.6156£1.4217£1.2279£1.0501£0.8886

96 in stock (can be backordered)

BS229BUCOV9059.92X3.53MM
£1.7035£1.4991£1.2947£1.1073£0.9369

741 in stock (can be backordered)

BS230BUCOV9063.09X3.53MM
£1.8018£1.5856£1.3694£1.1712£0.9910

930 in stock (can be backordered)

BS231BUCOV9066.27X3.53MM
£1.9329£1.7010£1.4690£1.2564£1.0631

41 in stock (can be backordered)

BS232BUCOV9069.44X3.53MM
£2.0311£1.7874£1.5436£1.3202£1.1171

245 in stock (can be backordered)

BS233BUCOV9072.62X3.53MM
£2.1285£1.8731£1.6177£1.3835£1.1707

Available on backorder

BS234BUCOV9075.79X3.53MM
£2.1510£1.8929£1.6348£1.3982£1.1831

234 in stock (can be backordered)

BS235BUCOV9078.97X3.53MM
£2.2492£1.9793£1.7094£1.4620£1.2371

175 in stock (can be backordered)

BS236BUCOV9082.14X3.53MM
£2.3475£2.0658£1.7841£1.5259£1.2911

356 in stock (can be backordered)

BS237BUCOV9085.32X3.53MM
£2.4673£2.1712£1.8751£1.6037£1.3570

7 in stock (can be backordered)

BS238BUCOV9088.49X3.53MM
£2.5767£2.2675£1.9583£1.6749£1.4172

389 in stock (can be backordered)

BS239BUCOV9091.67X3.53MM
£2.5984£2.2866£1.9748£1.6890£1.4291

587 in stock (can be backordered)

BS240BUCOV9094.84X3.53MM
£2.6751£2.3541£2.0331£1.7388£1.4713

314 in stock (can be backordered)

BS241BUCOV9098.02X3.53MM
£2.7293£2.4018£2.0743£1.7740£1.5011

299 in stock (can be backordered)

BS242BUCOV90101.19X3.53MM
£2.7948£2.4594£2.1240£1.8166£1.5371

812 in stock (can be backordered)

BS243BUCOV90104.37X3.53MM
£2.8932£2.5460£2.1988£1.8806£1.5913

425 in stock (can be backordered)

BS244BUCOV90107.54X3.53MM
£3.0243£2.6614£2.2985£1.9658£1.6634

Available on backorder

BS245BUCOV90110.72X3.53MM
£3.0571£2.6902£2.3234£1.9871£1.6814

224 in stock (can be backordered)

BS246BUCOV90113.89X3.53MM
£3.1113£2.7379£2.3646£2.0223£1.7112

384 in stock (can be backordered)

BS247BUCOV90117.07X3.53MM
£3.2208£2.8343£2.4478£2.0935£1.7714

1504 in stock (can be backordered)

BS248BUCOV90120.24X3.53MM
£3.2750£2.8820£2.4890£2.1288£1.8013

647 in stock (can be backordered)

BS249BUCOV90123.42X3.53MM
£3.4931£3.0739£2.6548£2.2705£1.9212

71 in stock (can be backordered)

BS250BUCOV90126.59X3.53MM
£3.6027£3.1704£2.7381£2.3418£1.9815

1023 in stock (can be backordered)

BS251BUCOV90129.77X3.53MM
£3.7664£3.3144£2.8625£2.4482£2.0715

8 in stock (can be backordered)

BS252BUCOV90132.94X3.53MM
£4.0070£3.5262£3.0453£2.6046£2.2039

85 in stock (can be backordered)

BS253BUCOV90136.12X3.53MM
£4.1484£3.6506£3.1528£2.6965£2.2816

422 in stock (can be backordered)

BS254BUCOV90139.29X3.53MM
£4.2035£3.6991£3.1947£2.7323£2.3119

44 in stock (can be backordered)

BS255BUCOV90142.47X3.53MM
£4.3674£3.8433£3.3192£2.8388£2.4021

22 in stock (can be backordered)

BS256BUCOV90145.64X3.53MM
£4.6950£4.1316£3.5682£3.0518£2.5823

11 in stock (can be backordered)

BS257BUCOV90148.82X3.53MM
£5.0217£4.4191£3.8165£3.2641£2.7619

88 in stock (can be backordered)

BS258BUCOV90151.99X3.53MM
£5.4588£4.8037£4.1487£3.5482£3.0023

55 in stock (can be backordered)

BS259BUCOV90158.34X3.53MM
£5.7321£5.0442£4.3564£3.7259£3.1527

Available on backorder

BS260BUCOV90164.69X3.53MM
£6.1139£5.3802£4.6466£3.9740£3.3626

57 in stock (can be backordered)

BS261BUCOV90171.04X3.53MM
£6.6596£5.8604£5.0613£4.3287£3.6628

135 in stock (can be backordered)

BS262BUCOV90177.39X3.53MM
£7.0416£6.1966£5.3516£4.5770£3.8729

Available on backorder

BS263BUCOV90183.75X3.53MM
£7.4243£6.5334£5.6425£4.8258£4.0834

134 in stock (can be backordered)

BS264BUCOV90190.09X3.53MM
£7.6424£6.7253£5.8082£4.9676£4.2033

123 in stock (can be backordered)

BS265BUCOV90196.44X3.53MM
£7.9260£6.9749£6.0238£5.1519£4.3593

180 in stock (can be backordered)

BS266BUCOV90202.79X3.53MM
£8.1900£7.2072£6.2244£5.3235£4.5045

140 in stock (can be backordered)

BS267BUCOV90209.14X3.53MM
£8.7010£7.6569£6.6128£5.6557£4.7856

1 in stock (can be backordered)

BS268BUCOV90215.49X3.53MM
£8.8396£7.7788£6.7181£5.7457£4.8618

Available on backorder

BS269BUCOV90221.84X3.53MM
£9.2534£8.1430£7.0326£6.0147£5.0894

118 in stock (can be backordered)

BS270BUCOV90228.19X3.53MM
£9.9440£8.7507£7.5574£6.4636£5.4692

Available on backorder

BS271BUCOV90234.54X3.53MM
£10.2323£9.0044£7.7765£6.6510£5.6278

25 in stock (can be backordered)

BS272BUCOV90240.89X3.53MM
£10.8081£9.5111£8.2142£7.0253£5.9445

Available on backorder

BS273BUCOV90247.24X3.53MM
£11.5288£10.1453£8.7619£7.4937£6.3408

Available on backorder

BS274BUCOV90253.59X3.53MM
£14.2665£12.5545£10.8425£9.2732£7.8466

50 in stock (can be backordered)

BS275BUCOV90266.29X3.53MM
£14.4106£12.6813£10.9521£9.3669£7.9258

Available on backorder

BS276BUCOV90278.99X3.53MM
£14.6989£12.9350£11.1712£9.5543£8.0844

Available on backorder

BS277BUCOV90291.69X3.53
£14.8441£13.0628£11.2815£9.6487£8.1643

Available on backorder

BS278BUCOV90304.39X3.53MM
£15.7623£13.8708£11.9793£10.2455£8.6693

68 in stock (can be backordered)

BS279BUCOV90329.79X3.53MM
£17.2636£15.1920£13.1203£11.2213£9.4950

Available on backorder

BS280BUCOV90355.19X3.53MM
£18.3138£16.1161£13.9185£11.9040£10.0726

Available on backorder

BS281BUCOV90380.57X3.53MM
£19.5147£17.1729£14.8312£12.6846£10.7331

Available on backorder

BS282BUCOV90405.26X3.53MM
£21.0160£18.4941£15.9722£13.6604£11.5588

Available on backorder

BS283BUCOV90430.66X3.53MM
£22.5174£19.8153£17.1132£14.6363£12.3846

Available on backorder

BS284BUCOV90456.06X3.53MM
£23.4177£20.6076£17.7975£15.2215£12.8797

Available on backorder

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