Ball Screws - 1" to 1-1/2"

Precision Rolled
1" to 1-1/2" Diameter

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Ball Screws							Standard Ball Nuts						Preloaded Ball Nuts
Nom. Dia.	Lead (in/rev)	RH LH	SST	Support Bearing	Nom. Root\| Dia.	Screw P/N	Nut P/N	Nut Type	No. of Circuits	Dynamic Load Rating (lbs)*	Static Load Rating (lbs)	Torque to Raise 1 lb	Nut P/N	Max. Preload (lbs)	Static Load Rating (lbs)
1	0.250	R		15 or 20mm	0.836	PR1004	R1004-2	A	2	3350	30750	.05 lb-in	—	—	—
	0.250	R				PR1004	RC1004-2	D	1	1600	12700		—	—	—
	0.250	L				PRL1004	RL1004-2	A	2	3350	30750		—	—	—
	0.250	L				PRL1004	RK1004-2	D	1	1600	12700		—	—	—
	0.500	R			0.879	PR1002	R1002-2	B	2	3950	32300	.09 lb-in	RP1002-2	1185	31115
	1.000	R			0.836	PR1001	R1001-2	B	2	2250	13750	.18 lb-in	—	—	—
	1.000	R	x		0.836	RS1001†	RS1001-2	B	2	430	2000	.18 lb-in	—	—	—
1 1/8	0.200	R		20mm	1.020	PR1105	R1105-2	A	2	2400	27550	.04 lb-in	RP1105	720	26830
1 1/2	0.250	R		25mm	1.320	PRX1504†	RX1504-2	A	2	4198	44030	.05 lb-in	—	—	—
	0.500	R			1.265	PR1502	R1502-2	A	2	12900	102300	.09 lb-in	RP1502-2	3870	98430
	0.500	L			1.265	PRL1502	RL1502-2	A	2	12900	102300	.09 lb-in	—	—	—
	1.000	R			1.143	PR1501	R1501-2	B	2	8250	47800	.18 lb-in	RP1501-2	2475	45325
	2.000	R			1.210	PR1520	R1520-2	B	2	7600	29000	.35 lb-in	—	—	—

All screws come standard in precision grade (0.003 in/ ft) except where noted. Delete the leading P in the screw P/ N for standard grade (0.010 in/ ft)
One- inch nuts come with up to 0.009” backlash. Larger sizes come standard with up to 0.018” backlash. Custom loading is available.
For zero backlash select a preloaded assembly.
*Dynamic load ratings based on 1,000,000 inches of travel using BS& A grease
†Offered in 0.005 in/ ft grade only.