BS O-Ring Dimensions

BS O-Ring Dimensions

Used in a wide range of applications, O-rings are the most commonly used type of seal in a multitude of industries. O-rings come in many forms but the most common are rubber O-rings which come in a number of compounds that are designed to suit a variety of applications.

We provide a full range of standard sizes however, along with this, also have the ability to manufacture O-rings that not of a standard size.

If you are enquiring about O-Rings then please take a look at the table below to see all of the dimensions of BS O-rings.

BS Number O-Ring Size (ID x Cross Section (mm)) Nominal Size (Inches)
    ID OD Cross Section
BS001 0.74 x 1.02 1/32 3/32 1/32
BS002 1.07 x 1.27 3/64 9/64 3/64
BS003 1.42 x 1.52 1/16 3/16 1/16
BS004 1.78 x 1.78 5/64 13/64 1/16
BS005 2.57 x 1.78 3/32 7/32 1/16
BS006 2.90 x 1.78 1/8 1/4 1/16
BS007 3.68 x 1.78 5/32 9/32 1/16
BS008 4.47 x 1.78 3/16 5/16 1/16
BS009 5.28 x 1.78 7/32 11/32 1/16
BS010 6.07 x 1.78 1/4 3/8 1/16
BS011 7.65 x 1.78 5/16 7/16 1/16
BS012 9.25 x 1.78 3/8 1/2 1/16
BS013 10.82 x 1.78 7/16 9/16 1/16
BS014 12.42 x 1.78 1/2 5/8 1/16
BS015 14 x 1.78 9/16 11/16 1/16
BS016 15.6 x 1.78 5/8 3/4 1/16
BS017 17.17 x 1.78 11/16 13/16 1/16
BS018 18.77 x 1.78 3/4 7/8 1/16
BS019 20.35 x 1.78 13/16 15/16 1/16
BS020 21.95 x 1.78 7/8 1 1/16
BS021 23.52 x 1.78 15/16 1 1/16 1/16
BS022 25.12 x 1.78 1 1 1/8 1/16
BS023 26.7 x 1.78 1 1/16 1 3/16 1/16
BS024 28.3 x 1.78 1 1/8 1 1/4 1/16
BS025 29.87 x 1.78 1 13/16 1 5/16 1/16
BS026 31.47 x 1.78 1 1/4 1 3/8 1/16
BS027 33.05 x 1.78 1 5/16 1 7/16 1/16
BS028 34.65 x 1.78 1 3/8 1 1/2 1/16
BS029 37.82 x 1.78 1 1/2 1 5/8 1/16
BS030 41.0 x 1.78 1 5/8 1 3/4 1/16
BS031 44.17 x 1.78 1 3/4 1 7/8 1/16
BS032 47.35 x 1.78 1 7/8 2 1/16
BS033 50.52 x 1.78 2 2 1/8 1/16
BS034 53.7 x 1.78 2 1/8 2 1/4 1/16
BS035 56.87 x 1.78 2 1/4 2 3/8 1/16
BS036 60.05 x 1.78 2 3/8 2 1/2 1/16
BS037 63.22 x 1.781 2 1/2 2 5/8 1/16
BS038 66.4 x 1.78 2 5/8 2 3/4 1/16
BS039 69.57 x 1.78 2 3/4 2 7/8 1/16
BS040 72.75 x 1.78 2 7/8 3 1/16
BS041 75.92 x 1.78 3 3 1/8 1/16
BS042 82.27 x 1.78 3 1/4 3 3/8 1/16
BS043 88.62 x 1.78 3 1/2 3 5/8 1/16
BS044 94.97 x 1.78 3 3/4 3 7/8 1/16
BS045 101.32 x 1.78 4 4 1/8 1/16
BS046 107.67 x 1.78 4 1/4 4 3/8 1/16
BS047 114.02 x 1.78 4 1/2 4 5/8 1/16
BS048 120.37 x 1.78 4 3/4 4 7/8 1/16
BS049 126.72 x 1.78 5 5 1/8 1/16
BS050 133.07 x 1.78 5 1/4 5 3/8 1/16
BS102 1.25 x 2.62 1/16 1/4 3/32
BS103 2.06 x 2.62 3/32 9/32 3/32
BS104 2.85 x 2.62 1/8 5/16 3/32
BS105 3.63 x 2.62 5/32 11/32 3/32
BS106 4.42 x 2.62 3/16 3/8 3/32
BS107 5.23 x 2.62 7/32 13/32 3/32
BS108 6.02 x 2.62 1/4 7/16 3/32
BS109 7.60 x 2.62 5/16 1/2 3/32
BS110 9.20 x 2.62 3/8 9/16 3/32
BS111 10.77 x 2.62 7/16 5/8 3/32
BS112 12.37 x 2.62 1/2 11/16 3/32
BS113 13.95 x 2.62 9/16 3/4 3/32
BS114 15.55 x 2.62 5/8 13/16 3/32
BS115 17.12 x 2.62 11/16 7/8 3/32
BS116 18.72 x 2.62 3/4 15/16 3/32
BS117 20.30 x 2.62 13/16 1 3/32
BS118 21.90 x 2.62 7/8 1 1/16 3/32
BS119 23.47 x 2.62 15/16 1 1/8 3/32
BS120 25.07 x 2.62 1 1 3/16 3/32
BS121 26.65 x 2.62 1 1/16 1 1/4 3/32
BS122 28.25 x 2.62 1 1/8 1 5/16 3/32
BS123 29.82 x 2.62 1 13/16 1 3/8 3/32
BS124 31.42 x 2.62 1 1/4 1 7/16 3/32
BS125 33.0 x 2.62 1 5/16 1 1/2 3/32
BS126 34.6 x 2.62 1 3/8 1 9/16 3/32
BS127 36.17 x 2.62 1 7/16 1 5/8 3/32
BS128 37.77 x 2.62 1 1/2 1 11/16 3/32
BS129 39.35 x 2.62 1 9/16 1 3/4 3/32
BS130 40.95 x 2.62 1 5/8 1 5/8 3/32
BS131 42.52 x 2.62 1 11/16 1 3/4 3/32
BS132 44.12 x 2.62 1 3/4 1 15/16 3/32
BS133 45.7 x 2.62 1 13/16 2 3/32
BS134 47.30 x 2.62 1 7/8 2 1/16 3/32
BS135 48.90 x 2.62 1 15/16 2 1/8 3/32
BS136 50.47 x 2.62 2 2 3/16 3/32
BS137 52.07 x 2.62 2 1/16 2 1/4 3/32
BS138 53.64 x 2.62 2 1/8 2 5/16 3/32
BS139 55.25 x 2.62 2 3/16 2 3/8 3/32
BS140 56.82 x 2.62 2 1/4 2 7/16 3/32
BS141 58.42 x 2.62 2 5/16 2 1/2 3/32
BS142 59.99 x 2.62 2 3/8 2 9/16 3/32
BS143 61.60 x 2.62 2 7/16 2 5/8 3/32
BS144 63.17 x 2.62 2 1/2 2 11/16 3/32
BS145 64.77 x 2.62 2 9/16 2 3/4 3/32
BS146 66.34 x 2.62 2 5/8 2 13/16 3/32
BS147 67.95 x 2.62 2 11/16 2 7/8 3/32
BS148 69.52 x 2.62 2 3/4 2 15/16 3/32
BS149 71.12 x 2.62 2 13/16 3 3/32
BS150 72.70 x 2.62 2 7/8 3 1/16 3/32
BS151 75.87 x 2.62 3 3 3/16 3/32
BS152 82.22 x 2.62 3 1/4 3 7/16 3/32
BS153 88.57 x 2.62 3 1/2 3 11/16 3/32
BS154 94.92 x 2.62 3 3/4 3 15/16 3/32
BS155 101.27 x 2.62 4 4 3/16 3/32
BS156 107.62 x 2.62 4 1/4 4 7/16 3/32
BS157 113.97 x 2.62 4 1/2 4 11/16 3/32
BS158 120.32 x 2.62 4 3/4 4 15/16 3/32
BS159 126.67 x 2.62 5 5 3/16 3/32
BS160 133.02 x 2.62 5 1/4 5 7/16 3/32
BS161 139.37 x 2.62 5 1/2 5 11/16 3/32
BS162 145.72 x 2.62 5 3/4 5 15/16 3/32
BS163 152.07 x 2.62 6 6 3/16 3/32
BS164 158.42 x 2.62 6 1/4 6 7/16 3/32
BS165 164.77 x 2.62 6 1/2 6 11/16 3/32
BS166 171.12 x 2.62 6 3/4 6 15/16 3/32
BS167 177.47 x 2.62 7 7 3/16 3/32
BS168 183.82 x 2.62 7 1/4 7 7/16 3/32
BS169 190.17 x 2.62 7 1/2 7 11/16 3/32
BS170 196.52 x 2.62 7 3/4 7 15/16 3/32
BS171 202.87 x 2.62 8 8 3/16 3/32
BS172 209.22 x 2.62 8 1/4 8 7/16 3/32
BS173 215.57 x 2.62 8 1/2 8 11/16 3/32
BS174 221.92 x 2.62 8 3/4 8 15/16 3/32
BS175 228.27 x 2.62 9 9 3/16 3/32
BS176 234.62 x 2.62 9 1/4 9 7/16 3/32
BS177 240.97 x 2.62 9 1/2 9 11/16 3/32
BS178 247.32 x 2.62 9 3/4 9 15/16 3/32
BS201 4.34 x 3.53 3/16 7/16 1/8
BS202 5.94 x 3.53 1/4 1/2 1/8
BS203 7.52 x 3.53 5/16 9/16 1/8
BS204 9.12 x 3.53 3/8 5/8 1/8
BS205 10.69 x 3.53 7/16 11/16 1/8
BS206 12.29 x 3.53 1/2 3/4 1/8
BS207 13.87 x 3.53 9/16 13/16 1/8
BS208 15.47 x 3.53 5/8 7/8 1/8
BS209 17.04 x 3.53 11/16 15/16 1/8
BS210 18.64 x 3.53 3/4 1 1/8
BS211 20.22 x 3.53 13/16 1 1/16 1/8
BS212 21.82 x 3.53 7/8 1 1/8 1/8
BS213 23.39 x 3.53 15/16 1 3/16 1/8
BS214 24.99 x 3.53 1 1 1/4 1/8
BS215 26.57 x 3.53 1 1/16 1 5/16 1/8
BS216 28.17 x 3.53 1 1/8 1 3/8 1/8
BS217 29.74 x 3.53 1 13/16 1 7/16 1/8
BS218 31.34 x 3.53 1 1/4 1 1/2 1/8
BS219 32.92 x 3.53 1 5/16 1 9/16 1/8
BS220 34.52 x 3.53 1 3/8 1 5/8 1/8
BS221 36.09 x 3.53 1 7/16 1 11/16 1/8
BS222 37.69 x 3.53 1 1/2 1 3/4 1/8
BS223 40.87 x 3.53 1 5/8 1 7/8 1/8
BS224 44.09 x 3.53 1 3/4 2 1/8
BS225 47.22 x 3.53 1 7/8 2 1/8 1/8
BS226 50.39 x 3.53 2 2 1/4 1/8
BS227 53.57 x 3.53 2 1/8 2 3/8 1/8
BS228 56.75 x 3.53 2 1/4 2 1/2 1/8
BS229 59.92 x 3.53 2 3/8 2 5/8 1/8
BS230 63.09 x 3.53 2 1/2 2 3/4 1/8
BS231 66.27 x 3.53 2 5/8 2 7/8 1/8
BS232 69.44 x 3.53 2 3/4 3 1/8
BS233 72.62 x 3.53 2 7/8 3 1/8 1/8
BS234 75.80 x 3.53 3 3 1/4 1/8
BS235 78.97 x 3.53 3 1/8 3 3/8 1/8
BS236 82.14 x 3.53 3 1/4 3 1/2 1/8
BS237 85.32 x 3.53 3 3/8 3 5/8 1/8
BS238 88.49 x 3.53 3 1/2 3 3/4 1/8
BS239 91.67 x 3.53 3 5/8 3 7/8 1/8
BS240 94.84 x 3.53 3 3/4 4 1/8
BS241 98.02 x 3.53 3 7/8 4 1/8 1/8
BS242 101.20 x 3.53 4 4 1/4 1/8
BS243 104.37 x 3.53 4 1/8 4 3/8 1/8
BS244 107.54 x 3.53 4 1/4 4 1/2 1/8
BS245 110.72 x 3.53 4 3/8 4 5/8 1/8
BS246 113.89 x 3.53 4 1/2 4 3/4 1/8
BS247 117.07 x 3.53 4 5/8 4 7/8 1/8
BS248 120.24 x 3.53 4 3/4 5 1/8
BS249 123.42 x 3.53 4 7/8 5 1/8 1/8
BS250 126.60 x 3.53 5 5 1/4 1/8
BS251 129.77 x 3.53 5 1/8 5 3/8 1/8
BS252 132.95 x 3.53 5 1/4 5 1/2 1/8
BS253 136.12 x 3.53 5 3/8 5 5/8 1/8
BS254 139.30 x 3.53 5 1/2 5 3/4 1/8
BS255 142.47 x 3.53 5 5/8 5 7/8 1/8
BS256 145.64 x 3.53 5 3/4 6 1/8
BS257 148.82 x 3.53 5 7/8 6 1/8 1/8
BS258 152.0 x 3.53 6 6 1/4 1/8
BS259 158.34 x 3.53 6 1/4 6 1/2 1/8
BS260 164.70 x 3.53 6 1/2 6 3/4 1/8
BS261 171.04 x 3.53 6 3/4 7 1/8
BS262 177.40 x 3.53 7 7 1/4 1/8
BS263 183.74 x 3.53 7 1/4 7 1/2 1/8
BS264 190.10 x 3.53 7 1/2 7 3/4 1/8
BS265 196.44 x 3.53 7 3/4 8 1/8
BS266 202.80 x 3.53 8 7 1/4 1/8
BS267 209.14 x 3.53 8 1/4 7 1/2 1/8
BS268 215.50 x 3.53 8 1/2 7 3/4 1/8
BS269 221.84 x 3.53 8 3/4 9 1/8
BS270 228.20 x 3.53 9 7 1/4 1/8
BS271 234.55 x 3.53 9 1/4 7 1/2 1/8
BS272 240.90 x 3.53 9 1/2 7 3/4 1/8
BS273 247.25 x 3.53 9 3/4 10 1/8
BS274 253.60 x 3.53 10 10 1/4 1/8
BS275 266.29 x 3.53 10 1/2 10 3/4 1/8
BS276 278.99 x 3.53 11 11 1/4 1/8
BS277 291.69 x 3.53 11 1/2 11 3/4 1/8
BS278 304.39 x 3.53 12 12 1/4 1/8
BS279 329.79 x 3.53 13 13 1/4 1/8
BS280 355.19 x 3.53 14 14 1/4 1/8
BS281 380.59 x 3.53 15 15 1/4 1/8
BS282 405.26 x 3.53 16 16 1/4 1/8
BS283 430.66 x 3.53 17 17 1/4 1/8
BS284 456.06 x 3.53 18 18 1/4 1/8
BS309 10.47 x 5.33 7/16 7/16 3/16
BS310 12.07 x 5.33 1/2 1/2 3/16
BS311 13.64 x 5.33 9/16 9/16 3/16
BS312 15.24 x 5.33 5/8 5/8 3/16
BS313 16.82 x 5.33 11/16 11/16 3/16
BS314 18.42 x 5.33 3/4 3/4 3/16
BS315 19.99 x 5.33 13/16 13/16 3/16
BS316 21.59 x 5.33 7/8 7/8 3/16
BS317 23.17 x 5.33 15/16 15/16 3/16
BS318 24.77 x 5.33 1 1 3/16
BS319 26.34 x 5.33 1 1/16 1 1/16 3/16
BS320 27.94 x 5.33 1 1/8 1 1/8 3/16
BS321 29.52 x 5.33 1 13/16 1 3/16 3/16
BS322 31.12 x 5.33 1 1/4 1 5/8 3/16
BS323 32.69 x 5.33 1 5/16 1 11/16 3/16
BS324 34.29 x 5.33 1 3/8 1 3/4 3/16
BS325 37.47 x 5.33 1 1/2 1 7/8 3/16
BS326 40.64 x 5.33 1 5/8 2 3/16
BS327 43.82 x 5.33 1 3/4 2 1/8 3/16
BS328 46.99 x 5.33 1 7/8 2 1/4 3/16
BS329 50.17 x 5.33 2 2 3/8 3/16
BS330 53.34 x 5.33 2 1/8 2 1/2 3/16
BS331 56.52 x 5.33 2 1/4 2 5/8 3/16
BS332 59.69 x 5.33 2 3/8 2 3/4 3/16
BS333 62.87 x 5.33 2 1/2 2 7/8 3/16
BS334 66.64 x 5.33 2 5/8 3 3/16
BS335 69.22 x 5.33 2 3/4 3 1/8 3/16
BS336 72.39 x 5.33 2 7/8 3 1/4 3/16
BS337 75.57 x 5.33 3 3 3/8 3/16
BS338 78.74 x 5.33 3 1/8 3 1/2 3/16
BS339 81.92 x 5.33 3 1/4 3 5/8 3/16
BS340 85.09 x 5.33 3 3/8 3 3/4 3/16
BS341 88.27 x 5.33 3 1/2 3 7/8 3/16
BS342 91.44 x 5.33 3 5/8 4 3/16
BS343 94.62 x 5.33 3 3/4 4 1/8 3/16
BS344 97.79 x 5.33 3 7/8 4 1/4 3/16
BS345 100.97 x 5.33 4 4 3/8 3/16
BS346 104.14 x 5.33 4 1/8 4 1/2 3/16
BS347 107.32 x 5.33 4 1/4 4 5/8 3/16
BS348 110.49 x 5.33 4 3/8 4 3/4 3/16
BS349 113.67 x 5.33 4 1/2 4 7/8 3/16
BS350 116.84 x 5.33 4 5/8 5 3/16
BS351 120.02 x 5.33 4 3/4 5 1/8 3/16
BS352 123.19 x 5.33 4 7/8 5 1/4 3/16
BS353 126.37 x 5.33 5 5 3/8 3/16
BS354 129.54 x 5.33 5 1/8 5 1/2 3/16
BS355 132.72 x 5.33 5 1/4 5 5/8 3/16
BS356 135.89 x 5.33 5 3/8 5 3/4 3/16
BS357 139.07 x 5.33 5 1/2 5 7/8 3/16
BS358 142.24 x 5.33 5 5/8 6 3/16
BS359 145.42 x 5.33 5 3/4 6 1/8 3/16
BS360 148.59 x 5.33 5 7/8 6 1/4 3/16
BS361 151.77 x 5.33 6 6 3/8 3/16
BS362 158.12 x 5.33 6 1/4 6 5/8 3/16
BS363 164.47 x 5.33 6 1/2 6 7/8 3/16
BS364 170.82 x 5.33 4 3/4 7 1/8 3/16
BS365 177.17 x 5.33 7 7 3/8 3/16
BS366 183.52 x 5.33 7 1/4 7 5/8 3/16
BS367 189.87 x 5.33 7 1/2 7 7/8 3/16
BS368 196.22 x 5.33 7 3/4 8 1/8 3/16
BS369 202.57 x 5.33 8 8 3/8 3/16
BS370 208.92 x 5.33 8 1/4 8 5/8 3/16
BS371 215.27 x 5.33 8 1/2 8 7/8 3/16
BS372 221.62 x 5.33 8 3/4 9 1/8 3/16
BS373 227.97 x 5.33 9 9 3/8 3/16
BS374 234.32 x 5.33 9 1/4 9 5/8 3/16
BS375 240.67 x 5.33 9 1/2 9 7/8 3/16
BS376 247.02 x 5.33 9 3/4 10 1/8 3/16
BS377 253.37 x 5.33 10 10 3/8 3/16
BS378 266.07 x 5.33 10 1/2 10 7/8 3/16
BS379 278.77 x 5.33 11 11 3/8 3/16
BS380 291.47 x 5.33 11 1/2 11 7/8 3/16
BS381 304.17 x 5.33 12 12 3/8 3/16
BS382 329.57 x 5.33 13 13 3/8 3/16
BS383 354.97 x 5.33 14 14 3/8 3/16
BS384 380.37 x 5.33 15 15 3/8 3/16
BS385 405.26 x 5.33 16 16 3/8 3/16
BS386 430.66 x 5.33 17 17 3/8 3/16
BS387 456.06 x 5.33 18 18 3/8 3/16
BS388 481.38 x 5.33 19 19 3/8 3/16
BS389 506.78 x 5.33 20 20 3/8 3/16
BS390 532.18 x 5.33 21 21 3/8 3/16
BS391 557.58 x 5.33 22 22 3/8 3/16
BS392 582.68 x 5.33 23 23 3/8 3/16
BS393 608.08 x 5.33 24 24 3/8 3/16
BS394 633.48 x 5.33 25 25 3/8 3/16
BS395 658.88 x 5.33 26 26 3/8 3/16
BS425 113.67 x 7 4 1/2 5 1/4
BS426 116.84 x 7 4 5/8 5 1/8 1/4
BS427 120.02 x 7 4 3/4 5 1/4 1/4
BS428 123.19 x 7 4 7/8 5 3/8 1/4
BS429 126.37 x 7 5 5 1/2 1/4
BS430 129.54 x 7 5 1/8 5 5/8 1/4
BS431 132.72 x 7 5 1/4 5 3/4 1/4
BS432 135.89 x 7 5 3/8 5 7/8 1/4
BS433 139.07 x 7 5 1/2 6 1/4
BS434 142.24 x 7 5 5/8 6 1/8 1/4
BS435 145.42 x 7 5 3/4 6 1/4 1/4
BS436 148.59 x 7 5 7/8 6 3/8 1/4
BS437 151.77 x 7 6 6 1/2 1/4
BS438 158.12 x 7 6 1/4 6 3/4 1/4
BS439 164.47 x 7 6 1/2 7 1/4
BS440 170.82 x 7 4 3/4 7 1/4 1/4
BS441 177.17 x 7 7 7 1/2 1/4
BS442 183.52 x 7 7 1/4 7 3/4 1/4
BS443 189.87 x 7 7 1/2 8 1/4
BS444 196.22 x 7 7 3/4 8 1/4 1/4
BS445 202.57 x 7 8 8 1/2 1/4
BS446 215.27 x 7 8 1/2 9 1/4
BS447 227.97 x 7 9 9 1/2 1/4
BS448 240.67 x 7 9 1/2 10 1/4
BS449 253.37 x 7 10 10 1/2 1/4
BS450 266.07 x 7 10 1/2 11 1/4
BS451 278..77 x 7 11 11 1/2 1/4
BS452 291.47 x 7 11 1/2 12 1/4
BS453 304.17 x 7 12 12 1/2 1/4
BS454 316.87 x 7 12 1/2 13 1/4
BS455 329.57 x 7 13 13 1/2 1/4
BS456 342.27 x 7 13 1/2 14 1/4
BS457 354.97 x 7 14 14 1/2 1/4
BS458 367.67 x 7 14 1/2 15 1/4
BS459 380.37 x 7 15 15 1/2 1/4
BS460 393.07 x 7 15 1/2 16 1/4
BS461 405.26 x 7 16 16 1/2 1/4
BS462 417.96 x 7 16 1/2 17 1/4
BS463 430.66 x 7 17 17 1/2 1/4
BS464 443.36 x 7 17 1/2 18 1/4
BS465 456.06 x 7 18 18 1/2 1/4
BS466 468.76 x 7 18 1/2 19 1/4
BS467 481.46 x 7 19 19 1/2 1/4
BS468 494.16 x 7 19 1/2 20 1/4
BS469 506.86 x 7 20 20 1/2 1/4
BS470 532.26 x 7 21 21 1/2 1/4
BS471 557.66 x 7 22 22 1/2 1/4
BS472 582.68 x 7 23 23 1/2 1/4
BS473 608.08 x 7 24 24 1/2 1/4
BS474 633.48 x 7 25 25 1/2 1/4
BS475 658.88 x 7 26 26 1/2 1/4
BS901 4.7 x 1.42      
BS902 6.02 x 1.63      
BS903 7.65 x 1.63      
BS904 8.92 x 1.83      
BS905 10.72 x 1.83      
BS906 11.90 x 1.98      
BS907 13.46 x 2.08      
BS908 16.36 x 2.21      
BS909 17.93 x 2.46      
BS910 19.18 x 2.46      
BS911 21.92 x 2.95      
BS912 23.47 x 2.95      
BS913 25.04 x 2.95      
BS914 26.61 x 2.95      
BS916 29.74 x 2.95      
BS918 34.42 x 2.95      
BS920 37.47 x 3      
BS924 43.69 x 3.00      
BS928 53.09 x 3.00      
BS932 59.36 x 3.00      

 

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