120B JIS Roller Chain Sprockets steel, C45 pilot bore, teeth harden

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Categories	JIS Roller Chain Sprockets
Model	120B JIS Standard Roller Chain Sprocket
Standard	JIS Standard
Material	C45 Steel
Pitch	38.10mm
Roller Diam.	22.23mm
Teeth Thickness	23.50mm
Bore	pilot bore
Chain No.	120B
Teeth Harned	Yes
Update Time	Dec 1,2025

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Detail Information

120B JIS Standard Roller Chain Sprockets 38.10x22.23 Steel, C45

Japanese JIS Standard 120B Sprockets

Pitch: 38.10mm

Roller Diam. : 22.23mm

Tooth Width: 23.50mm

Type: B

Bore Tolerance: H8

Teeth Hardness:38~45HRC

Case Depth: >1.0mm

Chain No.	No. teeth	Outside Diam.	Hub Diam	LTB	Weight(kg)
120B1	8	115.00	60.0	56.0	2.14
120B1	9	128.00	70.0	56.0	2.78
120B1	10	140.00	78.0	56.0	3.42
120B1	11	153.00	91.0	56.0	4.31
120B1	12	165.00	98.0	56.0	5.06
120B1	13	177.00	98.0	56.0	5.60
120B1	14	190.00	107.0	56.0	6.54
120B1	15	202.00	117.0	63.0	8.20
120B1	16	214.00	117.0	63.0	8.86
120B1	17	227.00	117.0	63.0	9.56
120B1	18	239.00	117.0	63.0	10.31
120B1	19	251.00	117.0	63.0	11.10
120B1	20	263.00	127.0	63.0	12.52
120B1	21	276.00	127.0	63.0	13.40
120B1	22	288.00	127.0	63.0	14.31
120B1	23	300.00	127.0	63.0	15.27
120B1	24	312.00	127.0	63.0	16.27
120B1	25	324.00	127.0	63.0	17.32
120B1	26	337.00	127.0	63.0	18.40
120B1	27	349.00	127.0	63.0	19.53
120B1	28	361.00	137.0	71.0	22.27
120B1	29	373.00	137.0	71.0	23.49
120B1	30	385.00	137.0	71.0	24.74
120B1	31	398.00	137.0	71.0	26.04
120B1	32	410.00	137.0	71.0	27.39
120B1	33	422.00	137.0	71.0	28.77
120B1	34	434.00	137.0	71.0	30.20
120B1	35	446.00	137.0	71.0	31.67
120B1	36	458.00	137.0	71.0	33.18
120B1	37	470.00	137.0	71.0	34.74
120B1	38	483.00	137.0	71.0	36.34
120B1	39	495.00	137.0	71.0	37.98
120B1	40	507.00	147.0	80.0	41.69
120B1	41	519.00	147.0	80.0	43.42
120B1	42	531.00	147.0	80.0	45.19
120B1	43	543.00	147.0	80.0	47.00
120B1	44	556.00	147.0	80.0	48.85
120B1	45	568.00	147.0	80.0	50.75
120B1	46	580.00	147.0	80.0	52.69
120B1	47	592.00	147.0	80.0	54.67
120B1	48	604.00	147.0	80.0	56.69
120B1	49	616.00	147.0	80.0	58.76
120B1	50	628.00	147.0	80.0	60.87
120B1	51	641.00	147.0	100.0	65.68
120B1	52	653.00	147.0	100.0	67.88
120B1	53	665.00	147.0	100.0	70.12
120B1	54	677.00	147.0	100.0	72.40
120B1	55	689.00	147.0	100.0	74.72
120B1	56	701.00	147.0	100.0	77.08
120B1	57	713.00	147.0	100.0	79.49
120B1	58	726.00	147.0	100.0	81.94
120B1	59	738.00	147.0	100.0	84.44
120B1	60	750.00	167.0	100.0	89.93
120B1	61	762.00	167.0	100.0	92.51
120B1	62	774.00	167.0	100.0	95.13
120B1	63	786.00	167.0	100.0	97.80
120B1	64	798.00	167.0	100.0	100.50
120B1	65	811.00	167.0	100.0	103.25
120B1	66	823.00	167.0	100.0	106.04
120B1	67	835.00	167.0	100.0	108.88
120B1	68	847.00	167.0	100.0	111.75
120B1	69	859.00	167.0	100.0	114.67
120B1	70	871.00	167.0	112.0	119.70
120B1	71	883.00	167.0	112.0	122.70
120B1	72	896.00	167.0	112.0	125.75
120B1	73	908.00	167.0	112.0	128.84
120B1	74	920.00	167.0	112.0	131.97
120B1	75	932.00	167.0	112.0	135.15
120B1	76	944.00	167.0	112.0	138.36
120B1	77	956.00	167.0	112.0	141.62
120B1	78	968.00	167.0	112.0	144.93
120B1	79	980.00	167.0	112.0	148.27
120B1	80	993.00	167.0	112.0	151.66
120B1	84	1041.00	177.0	125.0	170.03
120B1	85	1053.00	177.0	125.0	173.63
120B1	90	1114.00	177.0	125.0	192.27
120B1	95	1175.00	177.0	125.0	211.98
120B1	96	1187.00	177.0	125.0	216.05