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Home / All / Sprockets / Metric Roller Chain Sprockets / ISO 28B Sprockets /

Metric 28B Pilot Bore Sprockets

BS 28B pilot bore sprockets are designed for use in light industry and can be used to drive or lift or transport materials.

Material	Carbon Steel
Color	Natural
Surface Treatment	Blackening/Galvanizing/Phosphating
Accuracy	Precision teeth for optimum performance
Quality	Superior Metric Sprocket
Interchangeability	Directly interchangeable with other brands

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Detail Information

About Metric 28B Pilot Bore Sprocket

Crafted from high-quality materials, the 28B pilot bore sprockets ensure durability and longevity in demanding operating conditions. Our precision manufacturing makes industrial sprockets suitable for use in conveyor systems, machinery, and equipment across industries such as manufacturing, agriculture, and mining. Trust CTS® 28B pilot bore sprockets for consistent performance and reliability in your industrial operations.

For a quote or more information on industrial sprockets , please contact us and we will be happy to assist you.

Quality Assurance:

ISO9001: 2015 and GB/T24001-2016 / ISO14001: 2015.

Features

High-precision Sprocket
Durable Sprocket
Directly interchangeable with other brands
OEM Sprocket

Metric 28B pilot bore sprocket dimension chart

Metric 28B Pilot Bore Sprocket Technical Data

SPROCKETS 1"3/4 × 1"1/4

For Chain Acc. to DIN 8187

ISO/R 606

Metric 28B pilot bore sprocket teeth dimension chart

Tooth radius r3	44 mm
Radius width C	5 mm
Tooth width B1	29.4 mm

Part No.	No. Teeth	Outside Dia.（de）	Pitch Dia.（dp）	Hub Dia.（dm）	Bore Dia.（D1）	LTB（A）	Weight（Lbs.）
28B8	8	132.0	116.15	74	25	70	2.86
28B9	9	148.4	129.96	88	25	70	4.00
28B10	10	162.3	143.85	100	25	70	5.18
28B11	11	176.3	157.77	112	25	70	6.51
28B12	12	189.5	171.74	125	25	70	8.04
28B13	13	204.2	185.75	*125	25	70	8.88
28B14	14	218.2	199.76	*125	25	70	9.79
28B15	15	232.3	213.79	*125	25	70	10.77
28B16	16	246.3	227.84	*160	30	75	14.96
28B17	17	260.0	241.91	*160	30	75	16.09
28B18	18	274.0	255.98	*160	30	75	17.28
28B19	19	289.0	270.06	*160	30	75	18.51
28B20	20	303.0	284.15	*160	30	75	19.75
28B21	21	317.0	298.24	*160	30	75	21.31
28B22	22	331.0	312.34	*160	30	75	22.87
28B23	23	345.0	326.44	*160	30	75	24.36
28B24	24	359.0	340.55	*160	30	75	26.00
28B25	25	373.0	354.66	*160	30	75	27.70
28B26	26	387.0	368.77	*160	30	75	29.48
28B27	27	401.4	382.88	*160	30	75	31.86
28B28	28	416.0	397.00	*160	30	75	33.77
28B29	29	430.0	411.12	*160	30	75	35.66
28B30	30	444.0	425.24	*160	30	75	37.62
28B31	31	458.0	439.37	*180	30	75	41.13
28B32	32	472.0	453.49	*180	30	75	43.21
28B33	33	486.0	467.62	*180	30	75	45.96
28B34	34	500.0	481.75	*180	30	75	48.19
28B35	35	514.0	495.88	*180	30	75	50.48
28B36	36	529.0	510.01	*180	30	75	53.01
28B37	37	543.0	524.14	*180	30	75	56.17
28B38	38	557.0	538.27	*180	30	75	58.69
28B39	39	571.0	552.40	*180	30	75	61.27
28B40	40	585.0	566.54	*180	30	75	63.92
28B45	45	656.0	637.22	*180	30	90	80.78
28B50	50	726.0	707.91	*180	30	90	96.58
28B57	57	825.0	806.89	*180	30	100	123.27
28B60	60	869.0	849.32	*180	30	100	135.43
28B76	76	1095.0	1075.6	*180	30	100	207.74