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Ballscrews-Threaded Ball Nut-0808

Ballscrew-Threaded Ball Nut-0808

Precision Ballscrews
Nut Type－Threaded
Precision Grade－Rolled Grade－C5 & C7
Lead－0601. 0602. 0604. 0606. 0801. 0802. 0805. 0808. 1005. 1010

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Rolled Ball Screw
Nominal Dia. (mm)	8
Ball Dia. (mm)	2
Lead (mm)	8
B.C.D. (mm)	8.3
Thread Direction	Right Hand
Circuits	1.7 Return x 1 Circuits
Accuracy	C5X	C5Y	C7Y	C7Z
Axial Backlash	0	< 0.005	< 0.005	< 0.01
Dynamic Load Ca (N)	1680
Max. Static Load Coa (N)	2320

Model No.

Specification
Model No.	Stroke	Shaft Length			Deviation Tolerance	Cumulative Deviation Tolerance	Bearing Seat Verticality Tolerance	Nut Verticality Tolerance	Lead Accuracy
Model No.	Stroke	L1	L2	L3	S1	S2	S3	N1	Mean Travel	Variation
BS0808D1-RC5□-190R250-M	150	190	211	250	0.01	0.05	0.005	0.01	0.02	0.018
BS0808D1-RC7□-190R250-M	150	190	211	250	0.014	0.065	0.007	0.014	Travel Distance：±0.05/300
BS0808D1-RC5□-240R300-M	200	240	261	300	0.01	0.065	0.005	0.01	0.023	0.018
BS0808D1-RC7□-240R300-M	200	240	261	300	0.014	0.08	0.007	0.014	Travel Distance：±0.05/300
BS0808D1-RC5□-290R350-M	250	290	311	350	0.01	0.065	0.005	0.01	0.023	0.018
BS0808D1-RC7□-290R350-M	250	290	311	350	0.014	0.08	0.007	0.014	Travel Distance：±0.05/300

Model No.

Machining-less to the end shaft - Specification
Model No.	Stroke	Shaft Length		Cumulative Deviation Tolerance	Nut Verticality Tolerance	Lead Accuracy
Model No.	Stroke	L1	L	S1	N1	Mean Travel	Variation
BS0808D1-RC5□-190R255-M	150	190	255	0.05	0.01	0.02	0.018
BS0808D1-RC7□-190R255-M	150	190	255	0.065	0.014	Travel Distance：±0.05/300
BS0808D1-RC5□-240R305-M	200	95	136	0.065	0.01	0.023	0.018
BS0808D1-RC7□-240R305-M	200	95	136	0.08	0.014	Travel Distance：±0.05/300
BS0808D1-RC5□-290R355-M	250	290	355	0.065	0.01	0.023	0.018
BS0808D1-RC7□-290R355-M	250	290	355	0.08	0.014	Travel Distance：±0.05/300