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Nook Industries provides a complete selection of inch and metric Ball Screws, Roller Screws, Acme Screws, Lead Screws, End Bearing Supports, Precision Locknuts, Worm Gear Screw Jacks, Electric Actuators, HRC 60 Linear Shafting, Linear Bearings and Pillow Blocks to the Linear Motion Industry.

PRECISION BALL
SCREW ASSEMBLIES

DIGITAL EDITION
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METRIC BALL SCREW ASSEMBLIES
Carry Rolled Ball Screw Assemblies
MRT Rolled Ball Screw Assemblies
PMT Precision Rolled Ball Screw Assemblies

Lead accuracy of:
± 100µm/300mm - Standard Rolled (Carry, MRT)
± 25µm/300mm - Precision Rolled (PMT)
Standard diameters from 6mm to 63mm
Standard leads from 1mm to 50mm
Alloy and Stainless Steel Screws

Custom Sort and Compare Ball Screw Assemblies
Sort Nook standard cataloged inch ball or metric assemblies by a category or view a side-by-side screw comparison. To view a specific screw assembly click on that nut link.

CARRY STANDARD ROLLED METRIC BALL SCREW ASSEMBLIES Lead Accuracy ± 100µm/300mm

METRIC CARRY BALL Screw AND Nut
BALL NUT PART NUMBER	BALL NUT DESCRIPTION	DIA (mm)	LEAD (mm)	ROOT (mm)	HELIX	STATIC LOAD (N)	DYN. LOAD (N)	TORQUE TO RAISE 1 kN (N-m)	PDF PAGE
6 x 1
ECN-06010-RZ	Keyed Ball Nut	6	1	5	RH	1000	600	.178	155
8 x 1
ECN-08010-RZ	Keyed Ball Nut	8	1	7	RH	1000	700	.178	156
8 x 1.5
ECN-08015-RZ	Keyed Ball Nut	8	1.5	6.7	RH	1300	800	.254	156
ECN-08015-RG	Standard Ball Nut	8	1.5	6.7	RH	1300	800	.254	156
8 x 2
ECN-08020-RZ	Keyed Ball Nut	8	2	6.5	RH	3200	2000	.356	156
ECN-08020-RB	Flanged Ball Nut	8	2	6.5	RH	3000	2000	.356	156
8 x 2.5
ECN-08025-RZ	Keyed Ball Nut	8	2.5	6.6	RH	3200	2000	.432	156
ECN-08025-RG	Standard Ball Nut	8	2.5	6.6	RH	3200	2000	.432	156
8 x 3
ECN-08030-RZ	Keyed Ball Nut	8	3	6.7	RH	1500	950	.533	156
ECN-08030-RG	Standard Ball Nut	8	3	3.7	RH	1500	950	.533	156
10 x 2
ECN-10020-RZ	Keyed Ball Nut	9.7	2	8.2	RH	2100	1250	.356	157
ECN-10020-RG	Standard Ball Nut	9.7	2	8.2	RH	2100	1250	.356	157
ECN-10020-RD	Standard Ball Nut High Load	9.7	2	8.2	RH	2800	1700	.356	157
10 x 3
ECN-10030-RZ	Keyed Ball Nut	9.9	3	7.8	RH	5000	2800	.541	157
ECN-10030-LZ	Keyed Ball Nut	9.9	3	7.8	LH	5000	2800	.541	157
ECN-10030-RG	Standard Ball Nut	9.9	3	7.8	RH	5000	2800	.533	157
ECN-10030-LG	Standard Ball Nut	9.9	3	7.8	LH	5000	2800	.533	157
12 x 2
ECN-12020-RZ	Keyed Ball Nut	12	2	10.6	RH	2500	1380	.356	158
ECN-12020-RG	Standard Ball Nut	12	2	10.6	RH	2500	1380	.356	158
12 x 4
ECN-12040-RZ	Keyed Ball Nut	12	4	9.8	RH	11000	5500	.711	158
ECN-12040-RG	Standard Ball Nut	12	4	9.8	RH	11000	5500	.711	158
ECN-12040-RB	Flanged Ball Nut	12	4	9.8	RH	11000	5500	.711	158
12 x 5
ECN-12050-RG	Standard Ball Nut	12	5	9.8	RH	12000	6600	.889	158
ECN-12050-RB	Flanged Ball Nut	12	5	9.5	RH	12000	6600	.889	158
12.7 x 12.7
ECN-12120-RG	Standard Ball Nut	13.1	12.7	10.3	RH	15500	8000	2.235	158
14 x 4
ECN-14040-RZ	Keyed Ball Nut	14	4	11.5	RH	16000	8100	.711	159
ECN-14040-LZ	Keyed Ball Nut	14	4	11.5	LH	16000	8100	.711	159
ECN-14040-RG	Standard Ball Nut	14	4	11.5	RH	16000	8100	.711	159
ECN-14040-LG	Standard Ball Nut	14	4	11.5	LH	16000	8100	.711	159
ECN-14040-RB	Flanged Ball Nut	14	4	11.5	RH	16000	8100	.711	159
ECN-14040-LB	Flanged Ball Nut	14	4	11.5	RH	16000	8100	.711	159
16 x 2
ECN-16020-RG	Standard Ball Nut	16	2	14.5	RH	5500	2500	.356	162
ECN-16020-RB	Flanged Ball Nut	16	2	14.5	RH	11000	4500	.356	162
16 x 5
ECN-16050-RZ	Keyed Ball Nut	15.7	5	13	RH	22000	9700	.889	162
ECN-16050-RG	Standard Ball Nut	15.7	5	13	RH	22000	9700	.889	162
ECN-16050-RD	Standard Ball Nut High Load	15.7	5	13	RH	25000	12000	.889	162
ECN-16050-RB	Flanged Ball Nut	15.7	5	13	RH	22000	9700	.889	162
16 x 10
ECN-16100-RG	Standard Ball Nut	15.7	10	13	RH	25000	17000	1.778	162
ECN-16100-RB	Flanged Ball Nut	15.7	10	13	RH	25000	17000	1.778	162
16 x 50
ECN-16500-RH	Standard Ball Nut	16	50	10.6	RH	10000	4500	.356	161
20 x 5
ECN-20050-RZ	Keyed Ball Nut	19.5	5	16.5	RH	25000	10800	.889	165
ECN-20050-LZ	Keyed Ball Nut	19.5	5	16.5	LH	25000	10800	.889	165
ECN-20050-RG	Standard Ball Nut	19.5	5	16.5	RH	25000	10800	.889	165
ECN-20050-LG	Standard Ball Nut	19.5	5	16.5	LH	25000	10800	.889	165
ECN-20050-RB	Flanged Ball Nut	19.5	5	16.5	RH	25000	10800	.889	165
ECN-20050-LB	Flanged Ball Nut	19.5	5	16.5	LH	25000	10800	.889	165
20 x 10
ECN-20010-RG	Standard Ball Nut	19.5	10	16.5	RH	54000	21000	1.778	165
ECN-20010-RB	Flanged Ball Nut	19.5	10	16.5	RH	51000	21000	1.778	165
25 x 5
ECN-25050-RZ	Keyed Ball Nut	24.6	5	21.5	RH	30000	11700	.889	167
ECN-25050-RG	Standard Ball Nut	24.6	5	21.5	RH	30000	11700	.889	167
ECN-25050-RB	Flanged Ball Nut	24.6	5	21.5	RH	30000	11700	.889	167
ECN-25050-RJ	Flanged Ball Nut High Load	24.6	5	21.5	RH	35000	14000	.889	167
25 x 10
ECN-25100-RG	Standard Ball Nut	24.8	10	21.8	RH	51000	21000	1.778	167
ECN-25100-RB	Flanged Ball Nut	24.8	10	21.9	RH	54000	21000	1.778	167
25 x 25
ECN-25250-RG	Standard Ball Nut	24.5	25	21.2	RH	24000	10000	2.235	167
ECN-25250-RD	Standard Ball Nut High Load	24.5	25	21.2	RH	48000	20000	2.235	167
ECN-25250-RB	Flanged Ball Nut	24.5	25	21.2	RH	24000	10000	4.420	167
32 x 5
ECN-32050-RZ	Keyed Ball Nut	29.6	5	26.6	RH	54000	19000	.889	168
ECN-32050-RG	Standard Ball Nut	29.6	5	26.6	RH	54000	19000	.889	168
ECN-32050-RB	Flanged Ball Nut	29.6	5	26.6	RH	54000	19000	.889	168

MRT ROLLED METRIC BALL SCREW ASSEMBLIES Lead Accuracy ± 100µm/300mm

METRIC MRT ROLLED BALL Screw AND Nut
BALL NUT PART NUMBER	BALL NUT DESCRIPTION	DIA (mm)	LEAD (mm)	ROOT (mm)	HELIX	STATIC LOAD (N)	DYN. LOAD (N)	TORQUE TO RAISE 1 kN (N-m)	PDF PAGE
6 x 1.25
MBN10824	Internal Return Keyed Ball Nut	6	1.25	5.6	RH	861	580	.221	SDBS
MBN10727	Internal Return Keyed Ball Nut	6	1.25	5.6	RH	253	258	.221	SDBS
MBN10826	Internal Return Ball Nut with V-Thread	6	1.25	5.6	RH	861	580	.221	SDBS
MBN10636	Internal Return Ball Nut with V-Thread	6	1.25	5.6	RH	253	258	.221	SDBS
8 x 2.5
MBN10828	Internal Return Keyed Ball Nut	8	2.5	6.6	RH	1638	1407	.443	SDBS
MBN10729	Internal Return Keyed Ball Nut	8	2.5	6.6	RH	623	480	.443	SDBS
MBN10830	Internal Return Ball Nut with V-Thread	8	2.5	6.6	RH	1638	1407	.443	SDBS
MBN10731	Internal Return Ball Nut with V-Thread	8	2.5	6.6	RH	623	480	.443	SDBS
8 x 6
MBN10924	Steel with External Return	8	6	6.6	RH	1632	1343	1.06
MBN10961	Stainless Steel with External Return	8	6	6.6	RH	480	592	1.06
10 x 2
MBN10832	Internal Return Keyed Ball Nut	10	2	8.2	RH	1514	1259	.354	SDBS
MBN10733	Internal Return Keyed Ball Nut	10	2	8.2	RH	444	560	.354	SDBS
MBN10834	Internal Return Ball Nut with V-Thread	10	2	8.2	RH	1514	1259	.354	SDBS
MBN10757	Internal Return Ball Nut with V-Thread	10	2	8.2	RH	444	560	.354	SDBS
16 x 5
MBN10206	Single Circuit Ball Nut	16	5	12.9	RH	12700	7600	.88	160
20 x 5
MBN10295	Internal Return Ball Nut	21.71	5	17.5	RH	24400	13000	.88	164
25 x 5
MBN10281	Internal Return Ball Nut	25.75	5	22.6	RH	39400	18500	.88	166
40 x 10
MBN10291	Internal Return Ball Nut	42.1	10	34.79	RH	136200	62500	1.77	169
40 x 40
MBN10427	Internal Return Ball Nut	40.28	40	33.79	RH	121400	75300	7.08	170
MBN10427	Internal Return Ball Nut with Integral Flange	40.28	40	33.79	RH	121400	75300	7.08	170
50 x 10
MBN10285	Double Circuit Ball Nut	51.7	10	45.2	RH	189300	75500	1.77	171
50 x 50
MBN10430	Internal Return Ball Nut	49.5	50	43.02	RH	152400	92600	7.08	172
MBN10432	Internal Return Integral Flange Ball Nut	49.5	50	43.02	RH	152400	92600	7.08	172
63 x 12
MBN10297	External Returrn Ball Nut	65.1	12	56.98	RH	386000	140000	2.13	173

PMT PRECISION ROLLED METRIC BALL SCREW ASSEMBLIES Lead Accuracy ± 25µm/300mm

METRIC PMT PRECISION ROLLED BALL Screw AND Nut
BALL NUT PART NUMBER	BALL NUT DESCRIPTION	DIA (mm)	LEAD (mm)	ROOT (mm)	HELIX	STATIC LOAD (N)	DYN. LOAD (N)	TORQUE TO RAISE 1 kN (N-m)	SPRING RATE x 10⁶ (kN/um)	PDF PAGE
16 x 5
MPN10331	Flanged Ball Nut	16	5	12.9	RH	8600	5700	.88	.22	160
20 x 5
MPN10332	Flanged Ball Nut	20.71	5	17.5	RH	12200	7200	.88	.28	164
25 x 5
MPN10333	Flanged Ball Nut	25.75	5	22.6	RH	15700	8400	.88	.35	166
40 x 10
MPN10305	Flanged Ball Nut	42.1	10	34.79	RH	54500	28400	1.77	.55	169
50 x 10
MPN10334	Flanged Ball Nut	51.7	10	45.2	RH	94600	41600	1.77	.97	171
63 x 12
MPN10335	Flanged Ball Nut	65.1	12	56.98	RH	193000	76910	2.13	1.52	173

BALL SCREW CALCULATORS: Horsepower | Ball Nut Life | Critical Speed | Column Strength | Unit Converter

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NOOK INDUSTRIES, INC. - An ISO 9001:2008 Registered Company
4950 East 49th Street | Cleveland, Ohio 44125 | phone: (216) 271-7900 or (800) 321-7800 | fax: (216) 271-7020

Nook Industries provides a complete selection of inch and metric linear, mechanical and electromechanical actuators to the Linear Motion and Power Tarnsmission Industries. Modular Linear Actuators, Precision Profile Rails, Ball Screws, Roller Screws, Acme Screws, Lead Screws, Ball Splines, End Bearing Supports, Precision Locknuts, Worm Gear Screw Jacks, Electric Cylinder Actuators, HRC 60 Linear Shafting, Linear Slides, Bearings and Pillow Blocks.
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