O-Ring, ISO Equivalent General Industrial Use Series (Static application)

NOK

O-Ring, ISO Equivalent General Industrial Use Series (Static application)
The O Ring is a commonly employed sealing component found in automation machines across a wide range of industries.
[Feature]
● Inner Diameter Minimum/ Maximum (mm.) : 1.8 to 670
● Thickness (mm.) : 1.8, 2.65, 3.55, 5.3 and 7
● Material :
JIS symbol : NBR-70-1
Old JIS symbol : Class 1A
NOK symbol : A305
[Application]
O-rings are utilized across multiple industries to prevent the leakage of fluids or gases for static application

Dimension

Material	JIS symbol	NBR-70-1
	Old JIS symbol	Class 1A
	NOK symbol	A305

Specification Table

(unit : mm)

NOK code	(Old) ISO Callout number	O-Ring dimension
NOK code	(Old) ISO Callout number	Thickness W		Inside diameter d0		Burr f
CO7200A	A0018G	1.8	±0.08	1.8	±0.13	Max. 0.1
CO7201A	A0020G			2
CO7202A	A0022G			2.24
CO7203A	AOO25G			2.5
CO7204A	A0028G			2.8	±0.14
CO7205A	A0031G			3.15
CO7206A	A0035G			3.55
CO7207A	A0037G			3.75
CO7208A	A0040G			4
CO1012A	A0045G			4.5
CO7209A	A0048G			4.87	±0.15
CO7210A	A0050G			5
CO7211A	A0051G			5.15
CO7212A	A0053G			5.3
CO6868A	A0056G			5.6
CO3026A	A0060G			6
CO7213A	A0063G			6.3
CO7038A	A0067G			6.7	±0.16
CO7214A	A0069G			6.9
CO7215A	A0071G			7.1
CO7216A	A0075G			7.5
CO7217A	A0080G			8
CO7218A	A0085G			8.5
CO7219A	A0087G			8.75	±0.17
CO1061A	A0090G			9
CO7221A	A0095G			9.5
CO7222A	A0100G			10
CO7223A	A0106G			10.6	±0.18
CO7224A	A0112G			11.2	±0.18
CO1109A	A0118G			11.8	±0.19
CO7225A	A0125G			12.5
CO7226A	A0132G			13.2
CO3441A	A0140G			14
CO6822A	A0150G			15	±0.20
CO6861A	A0160G			16	±0.20
CO7227A	A0170G			17	±0.21
CO7228A	B0140G	2.65	±0.09	14	±0.19	Max. 0.12
CO7229A	B0150G			15	±0.20
CO7230A	B0160G			16	±0.20
CO7231A	B0170G			17	±0.21
CO7232A	B0180G			18	±0.21
CO7233A	B0190G			19	±0.22
CO7234A	B0200G			20	±0.22
CO7235A	B0212G			21.2	±0.23
CO7236A	B0224G			22.4	±0.24
CO7237A	B0236G			23.6	±0.24
CO7238A	B0250G			25	±0.25
CO7239A	BQ258G			25.8	±0.26
CO7240A	BQ265G			26.5	±0.26
CO7241A	B0280G			28	±0.28
CO7242A	B0300G			30	±0.29
CO7243A	B0315G			31.5	±0.31
CO7244A	B0325G			32.5	±0.32
CO7245A	B0335G			33.5	±0.32
CO7246A	B0345G			34.5	±0.33
CO7247A	B0355G			35.5	±0.34
CO7248A	B0365G			36.5	±0.35
CO7249A	B0375G			37.5	±0.36
CO7250A	B0387G			38.7	±0.37
CO7251A	C0180G	3.55	±0.10	18	±0.21	Max. 0.14
CO7252A	C0190G			19	±0.22
CO7253A	C0200G			20	±0.22
CO7254A	C0212G			21.2	±0.23
CO7255A	C0224G			22.4	±0.24
CO7256A	C0236G			23.6	±0.24
CO7257A	C0250G			25	±0.25
CO7258A	C0258G			25.8	±0.26
CO7259A	C0265G			26.5	±0.26
CO7260A	C0280G			28	±0.28
CO7261A	C0300G			30	±0.29
CO7262A	C0315G			31.5	±0.31
CO7263A	CO325G			32.5	±0.32
CO7264A	C0335G			33.5	±0.32
CO7265A	C0345G			34.5	±0.33
CO7266A	C0355G			35.5	±0.34
CO7267A	C0365G			36.5	±0.35
CO7268A	C0375G			37.5	±0.36
CO7269A	C0387G			38.7	±0.37
CO7270A	C0400G			40	±0.38
CO7271A	C0412G			41.2	±0.39
CO7272A	C0425G			42.5	±0.40
CO7273A	C0437G			43.7	±0.41
CO7274A	C0450G			45	±0.42
CO7275A	C0462G			46.2	±0.43
CO7276A	C0475G			47.5	±0.44
CO7277A	C0487G			48.7	±0.45
CO7278A	C0500G			50	±0.46
CO7279A	C0515G			51.5	±0.47
CO7280A	C0530G			53	±0.48
CO7281A	C0545G			54.5	±0.50
CO7282A	C0560G			56	±0.51
CO7283A	C0580G			58	±0.52
CO7284A	C0600G			60	±0.54
CO7285A	C0615G			61.5	±0.55
CO7286A	C0630G			63	±0.56
CO7287A	C0650G			65	±0.58
CO7288A	C0670G			67	±0.59
CO7289A	C0690G			69	±0.61
CO7290A	C0710G			71	±0.63
CO7291A	C0730G			73	±0.64
CO7292A	C0750G			75	±0.66
CO7293A	C0775G			77.5	±0.67
CO7294A	C0800G			80	±0.69
CO7295A	C0825G			82.5	±0.71
CO7296A	C0850G			85	±0.73
CO7297A	C0875G			87.5	±0.75
CO7298A	C0900G			90	±0.77
CO7299A	C0925G			92.5	±0.79
CO7300A	C0950G			95	±0.81
CO7301A	C0975G			97.5	±0.83
CO7302A	C1000G			100	±0.84
CO7303A	C1030G			103	±0.87
CO7304A	C1060G			106	±0.89
CO7305A	C1090G			109	±0.91
CO7306A	C1120G			112	±0.93
CO7307A	C1150G			115	±0.95
CO7308A	C1180G			118	±0.97
CO7309A	C1220G			122	±1.00
CO7310A	C1250G			125	±1.03
CO7311A	C1280G			128	±1.05
CO7312A	C1320G			132	±1.08
CO7313A	C1360G			136	±1.10
CO7314A	C1400G			140	±1.13
CO7315A	C1450G	145	±1.17
CO7316A	C1500G	150	±1.20
CO7317A	C1550G	155	±1.24
CO7318A	C1600G	160	±1.27
CO7319A	C1650G	165	±1.31
CO7320A	C1700G	170	±1.34
CO7321A	C1750G	175	±1.38
CO7322A	C1800G	180	±1.41
CO7323A	C1850G	185	±1.44
CO7324A	C1900G	190	±1.48
CO7325A	C1950G	195	±1.51
CO7326A	C2000G	200	±1.55
CO7327A	D0400G	5.3	±0.13	40	±0.38	Max. 0.16
CO7328A	D0412G			41.2	±0.39
CO7329A	D0425G			42.5	±0.40
CO7330A	D0437G			43.7	±0.41
CO4643A	D0450G			45	±0.42
CO7331A	D0462G			46.2	±0.43
CO7332A	D0475G			47.5	±0.44
CO7333A	D0487G			48.7	±0.45
CO7334A	D0500G			50	±0.46
CO7335A	D0515G			51.5	±0.47
CO7336A	D0530G			53	±0.48
CO7337A	D0545G			54.5	±0.50
CO7338A	D0560G			56	±0.51
CO7339A	D0580G			58	±0.52
CO7340A	D0600G			60	±0.54
CO7341A	D0615G			61.5	±0.55
CO7342A	D0630G			63	±0.56
CO7343A	D0650G			65	±0.58
CO7344A	D0670G			67	±0.59
CO7345A	D0690G			69	±0.61
CO7346A	D0710G			71	±0.63
CO7347A	D0730G			73	±0.64
CO7348A	D0750G			75	±0.66
CO7349A	D0775G			77.5	±0.67
CO7350A	D0800G			80	±0.69
CO7351A	D0825G			82.5	±0.71
CO7352A	D0850G			85	±0.73
CO7353A	D0875G			87.5	±0.75
CO7354A	D0900G			90	±0.77
CO7355A	D0925G			92.5	±0.79
CO7356A	F0950G			95	±0.81
CO7357A	D0975G			97.5	±0.83
CO7358A	D1000G			100	±0.84
CO7359A	D1030G			103	±0.87
CO7360A	D1060G			106	±0.89
CO7361A	D1090G			109	±0.91
CO7362A	D1120G			112	±0.93
CO7363A	D1150G			115	±0.96
CO7364A	D1180G			118	±0.97
CO7365A	D1220G			122	±1.00
CO7366A	D1250G			125	±1.03
CO7367A	D1280G			128	±1.05
CO7368A	D1320G			132	±1.08
CO7369A	D1360G			136	±1.10
CO7370A	D1400G			140	±1.13
CO7371A	D1450G			145	±1.17
CO7372A	D1500G			150	±1.20
CO7373A	D1550G			155	±1.24
CO7374A	D1600G			160	±1.27
CO7375A	D1650G			165	±1.31
CO7376A	D1700G			170	±1.34
CO7377A	D1750G			175	±1.38
CO7378A	D1800G			180	±1.41
CO7379A	D1850G			185	±1.44
CO7380A	D1900G			190	±1.48
CO7381A	D1950G			195	±1.51
CO7382A	D2000G			200	±1.55
CO7383A	D2060G			206	±1.59
CO7384A	D2120G			212	±1.63
CO7385A	D2180G			218	±1.67
CO7386A	D2240G			224	±1.71
CO7387A	D2300G			230	±1.75
CO7388A	D2360G			236	±1.79
CO7389A	D2430G			243	±1.83
CO7390A	D2500G	250	±1.88
CO7391A	D2580G	258	±1.93
CO7392A	D2650G	265	±1.98
CO7393A	D2720G	272	±2.02
CO7394A	D2800G	280	±2.08
CO7395A	D2900G	290	±2.14
CO7396A	D3000G	300	±2.21
CO7397A	D3070G	307	±2.25
CO7398A	D3150G	315	±2.30
CO7399A	D3250G	325	±2.37
CO7400A	D3350G	335	±2.43
CO7401A	D3450G	345	±2.49
CO7402A	D3550G	355	±2.56
CO7403A	D3650G	365	±2.62
CO7404A	D3750G	375	±2.68
CO7405A	D3870G	387	±2.76
CO7406A	D4000G	400	±2.84
CO7407A	E1090G	7	±0.15	109	±0.91	Max. 0.18
CO7408A	E1120G			112	±0.93
CO7409A	E1150G			115	±0.96
CO7410A	E1180G			118	±0.97
CO7411A	E1220G			122	±1.00
CO7412A	E1250G			125	±1.03
CO7413A	E1280G			128	±1.05
CO7414A	El 320G			132	±1.08
CO7415A	EI360G			136	±1.10
CO7416A	El 400G			140	±1.13
CO7417A	E1450G			145	±1.17
CO7418A	El 500G			150	±1.20
CO7419A	E1550G			155	±1.24
CO7420A	E1600G			160	±1.27
CO7421A	E1650G			165	±1.31
CO7422A	El 700G			170	±1.34
CO7423A	E1750G			175	±1.38
CO7424A	E1800G			180	±1.41
CO7425A	E1850G			185	±1.44
CO7426A	E1900G			190	±1.48
CO7427A	E1950G			195	±1.51
CO7428A	E2000G			200	±1.55
CO7429A	E2060G			206	±1.59
CO7430A	E2120G			212	±1.63
CO7431A	E2180G			218	±1.67
CO7432A	E2240G			224	±1.71
CO7433A	E2300G			230	±1.75
CO7434A	E2360G			236	±1.79
CO7435A	E2430G			243	±1.83
CO7436A	E2500G			250	±1.88
CO7437A	E2580G			258	±1.93
CO7438A	E2650G			265	±1.98
CO7439A	E2720G			272	±2.02
CO7440A	E2800G			280	±2.08
CO7441A	E2900G			290	±2.14
CO7442A	E3000G			300	±2.21
CO7443A	E3070G			307	±2.25
CO7444A	E3150G			315	±2.30
CO7445A	E3250G			325	±2.37
CO7446A	E3350G			335	±2.43
CO7447A	E3450G			345	±2.49
CO7448A	E3550G			355	±2.56
CO7449A	E3650G			365	±2.62
CO7450A	E3750G			375	±2.68
CO7451A	E3870G			387	±2.76
CO7452A	E4000G			400	±2.84
CO7453A	E4120G			412	±2.91
CO7454A	E4250G			425	±2.99
CO7455A	E4370G			437	±3.07
CO7456A	E4500G			450	±3.15
CO6711A	E4620G			462	±3.22
CO7457A	E4750G			475	±3.30
CO7458A	E4870G			487	±3.37
CO7459A	E5000G			500	±3.45
CO7460A	E5150G			515	±3.54
CO7461A	E5300G			530	±3.63
CO7462A	E5450G			545	±3.72
CO7463A	E5600G			560	±3.81
CO7464A	E5800G			580	±3.93
CO7465A	E6000G			600	±4.05
CO7466A	E6150G			615	±4.13
CO7467A	E6300G			630	±4.22
CO7468A	E6500G			650	±4.34
CO7469A	E6700G			670	±4.46