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The CTF ball screw is a large lead type ball screw with big nut installation dimensions. It ranges from 16 to 40mm in nominal diameter, with basic lead of 10 to 40mm. Its manufacturing process is relatively complex. The ball screw is intended for use in various industrial equipment, precision instruments and precision CNC machine tools.

Technical Specifications of the CTF Ball Screw

Code and Spec.	Nominal Dia. D₀	Basic Lead P_hD	Outer Dia. of Ball Screw d₁	Ball Dia. D_W	Bottom Dia. of Ball Screw d₂	Number of Circles n	Basic Rated Load
Code and Spec.	Nominal Dia. D₀	Basic Lead P_hD	Outer Dia. of Ball Screw d₁	Ball Dia. D_W	Bottom Dia. of Ball Screw d₂	Number of Circles n	Dynamic Load C₀KN	Static Load C_DNKN
CTF1610-2.5	16	10	15	3.175	12.7	2.5*1	6.8	13.1
CTF2010-2.5	20	10	18.9	3.969	15.9	2.5*1	10.3	20.6
CTF2016-1.5	20	16	18.9	3.969	15.9	1.5*1	6.5	12.1
CTF2020-1.5	20	20	18.9	3.969	15.9	1.5*1	6.3	11.9
CTF2520-1.5	25	20	23.8	4.763	20.1	1.5*1	9.3	18.6
CTF2525-1.5	25	25	23.8	4.763	20.1	1.5*1	9.1	18.3
CTF3225-1.5	32	25	30.8	4.763	27.1	1.5*1	10.3	22.9
CTF3232-1.5	32	32	30.8	4.763	27.1	1.5*1	10.4	24.1
CTF4032-1.5	40	32	38.2	6.35	33.5	1.5*1	17	39.4
CTF4040-1.5	40	40	38.2	6.35	33.5	1.5*1	16.6	38.8

D ₁	D ₂	D ₃	D ₄	D ₅	X	Y	L ₁	F	B	L ₂	M	R	Code and spec
32	32	53	42	5.5	19.3	19.5	57	52	10	10	M6	8	CTF1610-2.5
36	36	60	48	6.6	24	24	59	54	12	15	M6	10	CTF2010-2.5
36	36	60	48	7	23	24	66	61	12	15	M6	10	CTF2016-1.5
36	36	60	48	7	23	24	74	69	12	15	M6	10	CTF2020-1.5
40	40	66	53	7	28	29	78	72	12	15	M6	10	CTF2520-1.5
40	40	66	53	7	28	29	89	83	12	15	M6	10	CTF2525-1.5
50	50	82	67	9	32	33	85	79	15	20	M6	12	CTF3225-1.5
50	50	82	67	9	33	35	99	91	15	20	M6	12	CTF3232-1.5
63	63	106	85	11	42	44	112	104	18	25	M8*1	14	CTF4032-1.5
63	63	108	85	11	41	44	122	112	18	25	M8*1	14	CTF4040-1.5

NOTE
The lead accuracy of CTF type of BSA is the grade 5, 7, 10 of GB/T17.587.3-1998.

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