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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]
50	10	51.75	44.4	58.2	176.4	7.2	11.36	BNFN 5010-5
50	10	51.75	44.4	58.2	176.4	4.4	11.36	BNF 5010-5
50	10	51.75	44.4	32	88.2	4.4	11.36	BIF 5010-5
50	10	51.75	44.4	58.2	176.4	6.35	11.36	BIF 5010-10
14	4	14.5	11.8	3	5.1	0.2	1	DIK 1404-4
14	4	14.5	11.8	4.2	7.7	0.23	1	DIK 1404-6
15	10	15.75	12.5	14.3	27.8	0.81	1.07	BLW 1510-5.6
16	4	16.5	13.8	5.1	10.5	0.67	1.35	BNFN 1604-3
16	5	16.75	13.2	7.4	13.9	0.56	1.25	BIF 1605-5
16	5	16.75	13.2	7.4	13	0.3	1.25	DIK 1605-6
16	5	16.75	13.2	7.4	13.9	0.66	1.25	BNFN 1605-2.5
16	5	16.75	13.2	8.7	16.8	0.81	1.25	BNFN 1605-3
16	5	16.75	13.2	13.5	27.8	0.88	1.25	BNFN 1605-5
16	6	16.8	13.2	7.5	14	0.56	1.3	BIF 1606-5
16	10	16.8	13.2	4.8	8.5	0.67	1.41	BNFN 1610-1.5
16	16	16.65	13.7	7.1	14.3	0.67	1.42	BLW 1616-3.6
18	10	18.8	15.5	5.1	9.6	0.75	1.81	BIF 1810-3
18	10	18.8	15.5	7.8	15.9	1.09	1.81	BNFN 1810-2.5
18	10	18.8	15.5	9.2	19.1	1.21	1.81	BNFN 1810-3
20	4	20.5	17.8	4.8	10.9	0.49	2.18	BIF 2004-5
20	4	20.5	17.8	5.2	11.6	0.34	2.18	DIK 2004-6
20	4	20.5	17.8	6.6	15.5	0.37	2.18	DIK 2004-8
20	4	20.5	17.8	4.8	10.9	0.58	2.18	BNFN 2004-2.5
20	4	20.5	17.8	8.6	21.8	0.74	2.18	BNFN 2004-5
20	5	20.75	17.2	8.3	17.4	0.57	2.06	BIF 2005-5
20	5	20.75	17.2	8.5	17.3	0.38	2.06	DIK 2005-6
20	5	20.75	17.2	8.3	17.4	0.77	2.06	BNFN 2005-2.5
20	5	20.75	17.2	9.7	21	0.93	2.06	BNFN 2005-3
20	5	20.75	17.2	11.1	24.5	0.86	2.06	BNFN 2005-3.5
20	5	20.75	17.2	15.1	35	0.98	2.06	BNFN 2005-5