周节制带轮直径(GB/T 11361—1989)　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　mm
带轮 齿数	型 号
	MXL		XXL		XL		L		H		XH		XXH
	节径d	外径d0	节径d	外径d0	节径d	外径d0	节径d	外径d0	节径d	外径d0	节径d	外径d0	节径d	外径d0
10	6.47	5.96	10.11	9.60	16.17	15.66
11	7.11	6.61	11.12	10.61	17.79	17.28
12	7.76	7.25	12.13	11.62	19.40	18.90	36.38	35.62
13	8.41	7.90	13.14	12.63	21.02	20.51	39.41	38.65
14	9.06	8.55	14.15	13.64	22.64	22.13	42.45	41.69	56.60	55.23
15	9.70	9.19	15.16	14.65	24.26	23.75	45.48	44.72	60.64	59.27
16	10.35	9.84	16.17	15.66	25.87	25.36	48.51	47.75	64.68	63.31
17	11.00	10.49	17.18	16.67	27.49	26.98	51.54	50.78	68.72	67.35
18	11.64	11.13	18.19	17.68	29.11	28.60	54.57	53.81	72.77	71.39	127.34	124.55	181.91	178.86
19	12.29	11.78	19.20	18.69	30.72	30.22	57.61	56.84	76.81	75.44	134.41	131.62	192.02	188.97
20	12.94	12.43	20.21	19.70	32.34	31.83	60.64	59.88	80.85	79.48	141.49	138.69	202.13	199.08
(21)	13.58	13.07	21.22	20.72	33.96	33.45	63.67	62.91	84.89	83.52	148.56	145.77	212.23	209.18
22	14.23	13.72	22.23	21.73	35.57	35.07	66.70	65.94	88.94	87.56	155.64	152.84	222.34	219.29
(23)	14.88	14.37	23.24	22.74	37.19	36.68	69.73	68.97	92.98	91.61	162.71	159.92	232.45	229.40
(24)	15.52	15.02	24.26	23.75	38.81	38.30	72.77	72.00	97.02	95.65	169.79	166.99	242.55	239.50
25	16.17	15.66	25.27	24.76	40.43	39.92	75.80	75.04	101.06	99.69	176.86	174.07	252.66	249.61
(26)	16.82	16.31	26.28	25.77	42.04	41.53	78.83	78.07	105.11	103.73	183.94	181.14	262.76	259.72
(27)	17.46	16.96	27.29	26.78	43.66	43.15	81.86	81.10	109.15	107.78	191.01	188.22	272.87	269.82
28	18.11	17.60	28.30	27.79	45.28	44.77	84.89	84.13	113.19	111.82	198.08	195.29	282.98	279.93
(30)	19.40	18.90	30.32	29.81	48.51	48.00	90.96	90.20	121.28	119.90	212.23	209.44	303.19	300.14
32	20.70	20.19	32.34	31.83	51.74	51.24	97.02	96.26	129.36	127.99	226.38	223.59	323.40	320.35
36	23.29	22.78	36.38	35.87	58.21	57.70	109.15	108.39	145.53	144.16	254.68	251.89	363.83	360.78
40	25.37	25.36	40.43	39.92	64.68	64.17	121.28	120.51	161.70	160.33	282.98	280.18	404.25	401.21
48	31.05	30.54	48.51	48.00	77.62	77.11	145.53	144.77	194.04	192.67	339.57	336.78	485.10	482.06
60	38.81	38.30	60.64	60.13	97.02	96.51	181.91	181.15	242.55	241.18	424.47	421.67	606.38	603.33
72	46.57	46.06	72.77	72.26	116.43	115.92	218.30	217.53	291.06	289.69	509.36	506.57	727.66	724.61
84							254.68	253.92	339.57	338.20	594.25	591.46	848.93	845.88
96							291.06	290.30	388.08	386.71	679.15	676.35	970.21	967.16
120							363.83	363.07	485.10	483.73	848.93	846.14	1212.76	1209.71
156									630.64	629.26
注：1.括号内的尺寸尽量不采用。 2.生产厂为宁波慈溪汇鑫同步带有限公司。