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JIS B 2401 Series P — dynamic (1/2) — dimension table

The Series P — dynamic series of the JIS B 2401 standard: 100 O-ring sizes. Each row lists the inner diameter (ID), cross-section (CS), outer diameter (OD) and a link to the matching O-ring in the catalogue.

ID = Inner diameter (ID, mm) · CS = Cross-section (CS, mm) · OD = Outer diameter (OD, mm)

O-ring dimensions — JIS B 2401 Series P — dynamic (1/2)
DesignationInner diameter (ID, mm)Cross-section (CS, mm)Outer diameter (OD, mm)Catalogue product
P32.81.96.6Nearest product2.9 × 1.78 mm
P43.81.97.6Nearest product3.7 × 1.9 mm
P54.81.98.6Nearest product4.76 × 1.78 mm
P65.81.99.6Nearest product5.7 × 1.9 mm
P76.81.910.6Nearest product6.9 × 1.8 mm
P87.81.911.6Nearest product7.66 × 1.78 mm
P98.81.912.6Nearest product9 × 1.8 mm
P109.81.913.6Nearest product10 × 1.8 mm
P10A9.82.414.6Nearest product10 × 2.5 mm
P1110.82.415.6Nearest product11 × 2.5 mm
P11.2112.415.8Nearest product11 × 2.5 mm
P1211.82.416.6Choose material
P12.512.32.417.1Choose material
P1413.82.418.6Choose material
P1514.82.419.6Nearest product15 × 2.5 mm
P1615.82.420.6Nearest product16 × 2.5 mm
P1817.82.422.6Nearest product17.6 × 2.3 mm
P2019.82.424.6Choose material
P2120.82.425.6Nearest product20.6 × 2.3 mm
P22A21.73.528.7Nearest product21.5 × 3.6 mm
P2221.82.426.6Nearest product22 × 2.5 mm
P22.422.13.529.1Nearest product22 × 3.5 mm
P2423.73.530.7Nearest product24 × 3.5 mm
P2524.73.531.7Nearest product24.99 × 3.53 mm
P25.525.23.532.2Nearest product25 × 3.5 mm
P2625.73.532.7Nearest product26 × 3.5 mm
P2827.73.534.7Nearest product28 × 3.5 mm
P2928.73.535.7Nearest product29 × 3.5 mm
P29.529.23.536.2Nearest product29 × 3.5 mm
P3029.73.536.7View product
P3130.73.537.7Nearest product30 × 3.5 mm
P31.531.23.538.2Nearest product31.5 × 3.55 mm
P3231.73.538.7Nearest product31.5 × 3.55 mm
P3433.73.540.7Nearest product33.5 × 3.55 mm
P3534.73.541.7Nearest product34.52 × 3.53 mm
P35.535.23.542.2Nearest product35 × 3.5 mm
P3635.73.542.7Nearest product35.5 × 3.55 mm
P3837.73.544.7Choose material
P3938.73.545.7Nearest product38 × 3.5 mm
P4039.73.546.7Nearest product40 × 3.5 mm
P4140.73.547.7Nearest product40.87 × 3.53 mmLast few
P4241.73.548.7Choose material
P4443.73.550.7Choose material
P4544.73.551.7Nearest product45 × 3.5 mm
P4645.73.552.7Nearest product46 × 3.5 mm
P48A47.65.759Nearest product48 × 6 mm
P4847.73.554.7Nearest product48 × 3.5 mm
P4948.73.555.7Nearest product49 × 3.5 mm
P50A49.65.761Nearest product49.1 × 5.8 mm
P5049.73.556.7Nearest product50 × 3.5 mm
P5251.65.763Nearest product52.1 × 5.8 mm
P5352.65.764Nearest product52.1 × 5.8 mm
P5554.65.766Nearest product55.1 × 5.8 mm
P5655.65.767Nearest product55.1 × 5.8 mm
P5857.65.769Nearest product58 × 6 mm
P6059.65.771Nearest product59.2 × 5.7 mm
P6261.65.773Nearest product62.1 × 5.8 mm
P6362.65.774Nearest product62.2 × 5.7 mmLast few
P6564.65.776Nearest product64.1 × 5.8 mm
P6766.65.778Nearest product68 × 6 mm
P7069.65.781Nearest product69.1 × 5.8 mm
P7170.65.782Nearest product71 × 5.3 mm
P7574.65.786Nearest product74.1 × 5.8 mm
P8079.65.791Nearest product79.1 × 5.8 mm
P8584.65.796Nearest product84.1 × 5.8 mm
P9089.65.7101Nearest product89.1 × 5.8 mm
P9594.65.7106Nearest product94.1 × 5.8 mm
P10099.65.7111Nearest product99.1 × 5.8 mm
P102101.65.7113Search catalogue
P105104.65.7116Nearest product104.1 × 5.8 mm
P110109.65.7121Nearest product109.1 × 5.8 mm
P112111.65.7123Nearest product112 × 5.3 mmLast few
P115114.65.7126Nearest product113.67 × 5.33 mmLast few
P120119.65.7131Nearest product120 × 6 mm
P125124.65.7136Nearest product125 × 6 mm
P130129.65.7141Nearest product130 × 5.5 mmLast few
P132131.65.7143Nearest product132.72 × 5.33 mm
P135134.65.7146Nearest product135 × 6 mm
P140139.65.7151Choose material
P145144.65.7156Nearest product145.42 × 5.33 mmLast few
P150A149.58.4166.3Nearest product148.7 × 8.6 mm
P150149.65.7161Nearest product149.2 × 5.7 mmLast few
P155154.58.4171.3Nearest product153.7 × 8.6 mm
P160159.58.4176.3Nearest product158.7 × 8.6 mm
P165164.58.4181.3Nearest product163.7 × 8.6 mm
P170169.58.4186.3Search catalogue
P175174.58.4191.3Search catalogue
P180179.58.4196.3Nearest product179 × 8.5 mmLast few
P185184.58.4201.3Search catalogue
P190189.58.4206.3Nearest product190 × 8 mmLast few
P195194.58.4211.3Search catalogue
P200199.58.4216.3Nearest product200 × 8 mmLast few
P205204.58.4221.3Nearest product205 × 8 mmLast few
P209208.58.4225.3Search catalogue
P210209.58.4226.3Search catalogue
P215214.58.4231.3Search catalogue
P220219.58.4236.3Search catalogue
P225224.58.4241.3Search catalogue
P230229.58.4246.3Search catalogue
P235234.58.4251.3Search catalogue

Dimensions match the published tables of the JIS B 2401 standard. Outer diameter is computed as ID + 2 × cross-section.