100B JIS Roller Chain Sprockets steel, C45 pilot bore, teeth harden

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Categories	JIS Roller Chain Sprockets
Model	100B JIS Standard Roller Chain Sprocket
Standard	JIS Standard
Material	C45 Steel
Pitch	31.75mm
Roller Diam.	19.05mm
Teeth Thickness	17.60mm
Bore	pilot bore
Chain No.	100B
Teeth Harned	Yes
Update Time	Dec 13,2025

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Detail Information

100B JIS Standard Roller Chain Sprockets 31.75x19.05 Steel, C45

Japanese JIS Standard 100B Sprockets

Pitch: 31.75mm

Roller Diam. : 19.05mm

Tooth Width: 17.60mm

Type: B

Bore Tolerance: H8

Teeth Hardness:38~45HRC

Case Depth: >1.0mm

Chain No.	No. teeth	Outside Diam.	Hub Diam	LTB	Weight(kg)
100B1	8	96.00	52.0	50.0	1.27
100B1	9	106.00	62.0	50.0	1.70
100B1	10	117.00	65.0	50.0	1.99
100B1	11	127.00	75.0	50.0	2.50
100B1	12	138.00	86.0	50.0	3.11
100B1	13	148.00	94.0	50.0	3.67
100B1	14	158.00	98.0	50.0	4.13
100B1	15	168.00	98.0	50.0	4.45
100B1	16	179.00	98.0	50.0	4.79
100B1	17	189.00	107.0	50.0	5.53
100B1	18	199.00	107.0	50.0	5.91
100B1	19	209.00	107.0	50.0	6.32
100B1	20	220.00	107.0	50.0	6.76
100B1	21	230.00	107.0	50.0	7.21
100B1	22	240.00	117.0	56.0	8.64
100B1	23	250.00	117.0	56.0	9.14
100B1	24	260.00	117.0	56.0	9.66
100B1	25	270.00	117.0	56.0	9.34
100B1	26	281.00	117.0	56.0	10.77
100B1	27	291.00	117.0	56.0	11.36
100B1	28	301.00	117.0	56.0	11.97
100B1	29	311.00	117.0	56.0	12.60
100B1	30	321.00	117.0	56.0	13.25
100B1	31	331.00	117.0	56.0	13.93
100B1	32	341.00	117.0	56.0	14.63
100B1	33	352.00	117.0	56.0	15.35
100B1	34	362.00	117.0	56.0	16.09
100B1	35	372.00	127.0	63.0	18.13
100B1	36	382.00	127.0	63.0	18.91
100B1	37	392.00	127.0	63.0	19.72
100B1	38	402.00	127.0	63.0	20.55
100B1	39	412.00	127.0	63.0	21.41
100B1	40	422.00	127.0	63.0	22.28
100B1	41	433.00	127.0	63.0	23.18
100B1	42	443.00	127.0	63.0	24.10
100B1	43	453.00	127.0	63.0	25.04
100B1	44	463.00	127.0	63.0	26.01
100B1	45	473.00	127.0	63.0	26.99
100B1	46	483.00	127.0	63.0	28.00
100B1	47	493.00	127.0	63.0	29.03
100B1	48	503.00	127.0	63.0	30.08
100B1	49	513.00	127.0	63.0	31.16
100B1	50	524.00	127.0	63.0	32.26
100B1	51	534.00	127.0	63.0	33.38
100B1	52	544.00	127.0	63.0	34.52
100B1	53	554.00	127.0	63.0	35.68
100B1	54	564.00	147.0	80.0	40.67
100B1	55	574.00	147.0	80.0	41.87
100B1	56	584.00	147.0	80.0	43.10
100B1	57	594.00	147.0	80.0	44.36
100B1	58	604.00	147.0	80.0	45.63
100B1	59	614.00	147.0	80.0	46.93
100B1	60	625.00	147.0	80.0	48.25
100B1	61	635.00	147.0	80.0	49.59
100B1	62	645.00	147.0	80.0	50.95
100B1	63	655.00	147.0	80.0	52.34
100B1	64	665.00	147.0	80.0	53.74
100B1	65	675.00	147.0	80.0	55.17
100B1	66	685.00	147.0	80.0	56.62
100B1	67	695.00	147.0	80.0	58.10
100B1	68	705.00	147.0	80.0	59.59
100B1	69	715.00	147.0	80.0	61.11
100B1	70	726.00	147.0	100.0	65.32
100B1	71	736.00	147.0	100.0	66.88
100B1	72	746.00	147.0	100.0	68.46
100B1	73	756.00	147.0	100.0	70.07
100B1	74	766.00	147.0	100.0	71.70
100B1	75	777.00	147.0	100.0	73.35
100B1	76	787.00	147.0	100.0	75.03
100B1	77	797.00	147.0	100.0	76.72
100B1	78	807.00	147.0	100.0	78.44
100B1	79	817.00	147.0	100.0	80.18
100B1	80	827.00	147.0	100.0	81.94
100B1	81	837.00	147.0	100.0	83.73
100B1	82	847.00	147.0	100.0	85.53
100B1	83	857.00	147.0	100.0	87.36
100B1	84	868.00	147.0	100.0	89.21
100B1	85	878.00	147.0	100.0	91.08
100B1	86	888.00	147.0	100.0	92.98
100B1	87	898.00	147.0	100.0	94.90
100B1	88	908.00	147.0	100.0	96.84
100B1	89	918.00	147.0	100.0	98.80
100B1	90	928.00	147.0	100.0	100.78
100B1	92	948.00	147.0	100.0	104.82
100B1	95	979.00	147.0	100.0	111.03
100B1	96	989.00	147.0	100.0	113.15
100B1	100	1029.00	157.0	100.0	123.38
100B1	102	1029.00	157.0	100.0	127.86
100B1	105	1059.00	157.0	100.0	134.74
100B1	110	1130.00	157.0	100.0	146.65
100B1	112	1150.00	157.0	100.0	151.58
100B1	114	1171.00	157.0	100.0	156.58
100B1	120	1232.00	157.0	100.0	172.14