O-Rings Sizes BS425- BS475

O-ring size guide

 

Our O-rings are available in various different polymers, including Nitrile, Viton ® , Silicone. Other can be made on special request.
  O-ring Measurements
 
ID (Internal Diameter)
C/S (Cross Section)
 
Polymax online shop, for Viton and NBR O-rings, Silicone, Viton, Sponge and NBR cords and rubber cord kits
Article No. O-Ring Size
 ID x C/S (mm)
Nominal  Size (reference only)
(All dimensions are in inches)

ID OD CS
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
 
These O-Rings are available to buy online
 
     
     
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