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Ball screw

The ball screw is a high-efficiency feed screw with the ball making a rolling motion between the screw axis and the nut. Compared with a conventional sliding screw, this product has drive torque of one-third or less, making it most suitable for saving drive motor power.

Basic dimensions				Basic load rating		Mass		Model
Shaft outer diameter	Lead	Ball center to center diameter	Thread minor diameter	dynamic	static	Nut	Shaft	Bearing No.
d [mm]	Ph [mm]	dp [mm]	dc [mm]	C [kN]	C0 [kN]	[kg]	[kg/m]
63	16	66	52.6	577.1	1461.3	17.4	11.5	HBN 6316-10.5
63	20	66.5	49.6	578.8	1283.1	17.2	8.1	HBN 6320-7.5
4	1	4.15	3.4	0.29	0.42	0.01	0.07	MDK 0401-3
4	1	4.15	3.2	0.59	0.93	0.02	0.07	MBF 0401-3.7
6	1	6.2	5.3	0.54	1	0.02	0.14	MDK 0601-3
6	1	6.15	5.2	0.74	1.5	0.04	0.14	MBF 0601-3.7
8	1	8.2	7.3	0.64	1.4	0.02	0.29	MDK 0801-3
8	2	8.3	7	1.4	2.3	0.04	0.27	MDK 0802-3
8	2	8.3	6.4	2.5	4.2	0.1	0.19	MBF 0802-3.7
10	2	10.3	9	1.5	2.9	0.05	0.47	MDK 1002-3
10	2	10.3	8.6	2.8	5.3	0.11	0.36	MBF 1002-3.7
12	2	12.3	11	1.7	3.6	0.05	0.71	MDK 1202-3
12	2	12.3	10.6	3	6.5	0.15	0.58	MBF 1202-3.7
14	2	14.3	13	1.8	4.3	0.07	1	MDK 1402-3
14	2	14.3	12.5	3.3	7.5	0.16	0.85	MBF 1402-3.7
14	4	14.65	11.9	4.2	7.6	0.14	0.8	MDK 1404-3
14	4	14.3	11.8	5.7	11.1	0.25	1.2	MBF 1404-3.7
14	5	14.75	11.2	7	11.6	0.19	1.2	MDK 1405-3
16	5	16.75	13.2	7.4	13.9	0.6	0.92	BNFN 1605-2.5
16	5	16.75	13.2	7.4	13.9	0.37	0.92	BNF 1605-2.5
16	5	16.75	13.2	7.4	13.9	0.48	0.92	BIF 1605-5
18	10	18.8	15.5	15.9	390	1	1.62	BNFN 1810-2.5
18	10	18.8	15.5	15.9		0.67	1.62	BNF 1810-2.5
18	10	18.8	15.5	9.6	250	0.75	1.62	BIF 1810-3
20	5	20.75	17.2	35	740	0.9	1.65	BNFN 2005-5
20	5	20.75	17.2	35		0.57	1.65	BNF 2005-5
20	5	20.75	17.2	17.4	440	0.57	1.65	BIF 2005-5
25	5	25.75	22.2	16.7	44	1.2	2.84	BNFN 2505-5
25	5	25.75	22.2	16.7	44	0.75	2.84	BNF 2505-5
25	5	25.75	22.2	9.2	22	0.75	2.84	BIF 2505-5