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Ballscrews ready to ship.

A wide range of preloaded and non-preloaded rolled ballscrews, stocked at our US headquarters in Huntley, Illinois. Have them machined at our facility, or take standard-length un-machined screws shipped within 10 business days.

Questions or engineering support: 877.804.4946

Stocking program

Stocked ballscrew assemblies.

Click any drawing number for its PDF. Zero-backlash assemblies are available on request.

Part Number Nut Style Shaft Diameter (mm) Lead (mm) Backlash, max (mm) Shaft Length, max (mm) Accuracy Grade Drawing
R6-2B1-FSZ Flange 6 2 0.01 500 50 (C7) W-SBS-6-2-A01 ↗
R6-2B1-RSZ Round 6 2 0.01 500 50 (C7) W-SBS-6-2-A02 ↗
R8-2C1-FSZ Flange 8 2 0.01 500 50 (C7) W-SBS-8-2-A01 ↗
R8-2C1-RSZ Round 8 2 0.01 500 50 (C7) W-SBS-8-2-A02 ↗
R8-2.5B1-FSZ Flange 8 2.5 0.01 500 50 (C7) W-SBS-8-2.5-A01 ↗
R8-2.5B1-RSZ Round 8 2.5 0.01 500 50 (C7) W-SBS-8-2.5-A02 ↗
R8-2.5T3-RSI * Round 8 2.5 0.03 800 50 (C7) A10JKAB1 ↗
R8-5B1-FST Flange 8 5 0.02 500 50 (C7) W-SBS-8-5-A01 ↗
R8-5B1-RST Round 8 5 0.02 500 50 (C7) W-SBS-8-5-A02 ↗
R10-2B1-FSZ Flange 10 2 0.01 700 50 (C7) W-SBS-10-2-A01 ↗
R10-2B1-RSZ Round 10 2 0.01 700 50 (C7) W-SBS-10-2-A02 ↗
R10-2.5B1-RSZ Round 10 2.5 0.02 700 50 (C7) W-SBS-10-2.5-A01 ↗
R10-2.5B1-FSZ Flange 10 2.5 0.02 700 50 (C7) W-SBS-10-2.5-A02 ↗
R10-4B1-FSZ Flange 10 4 0.02 700 50 (C7) W-SBS-10-4-A01 ↗
R10-4B1-RSZ Round 10 4 0.02 700 50 (C7) W-SBS-10-4-A02 ↗
R10-4T3-RSI * Round 10 4 0.03 1000 50 (C7) A114ISB5 ↗
R10-5A1-RST Round 10 5 0.02 700 50 (C7) W-SBS-10-5-A01 ↗
R10-5K3-FSC Flange 10 5 0.02 700 50 (C7) W-SBS-10-5-A02 ↗
R12-2C1-FSZ Flange 12 2 0.01 1000 50 (C7) W-SBS-12-2-A01 ↗
R12-2C1-RSZ Round 12 2 0.01 1000 50 (C7) W-SBS-12-2-A02 ↗
R12-4C1-FSZ Flange 12 4 0.02 1000 50 (C7) W-SBS-12-4-A01 ↗
R12-4C1-RSZ Round 12 4 0.02 1000 50 (C7) W-SBS-12-4-A02 ↗
R12-5B1-FSZ Flange 12 5 0.02 1000 50 (C7) W-SBS-12-5-A01 ↗
R12-5B1-RSZ Round 12 5 0.02 1000 50 (C7) W-SBS-12-5-A02 ↗
2R12-5.08T3-DRSI * Round 12 5.08 0.03 1500 50 (C7) A11505A4 ↗
2R12-10B1-RST Round 12 10 0.02 1000 50 (C7) W-SBS-12-10-A01 ↗
2R12-10K3-FSC Flange 12 10 0.02 1000 50 (C7) W-SBS-12-10-A02 ↗
R15-5K4-FSCEW Flange 15 5 0.03 3000 50 (C7) W-SBS-15-5-A02 ↗
2R15-10K3-FSCEW Flange 15 10 0.04 3000 50 (C7) W-SBS-15-10-A02 ↗
4R15-16K3-FSCEW Flange 15 16 0.04 3000 50 (C7) W-SBS-15-16-A01 ↗
4R15-20K4-DFSC Flange 15 20 0.04 3000 50 (C7) W-SBS-15-20-A01 ↗
R16-5B1-FSZ Flange 16 5 0.03 3000 50 (C7) W-SBS-16-5-A01 ↗
R16-5B1-RSZ Round 16 5 0.03 3000 50 (C7) W-SBS-16-5-A02 ↗
R16-10K3-FSC Flange 16 10 0.04 3000 50 (C7) W-SBS-16-10-A01 ↗
R16-10T3-FSI * Flange 16 10 0.03 3000 50 (C7) A114IHA3 ↗
4R16-16A2-DRSB Round 16 16 0.04 3000 50 (C7) W-SBS-16-16-A01 ↗
4R16-16S2-DFSHR1 Flange 16 16 0.04 3000 50 (C7) W-SBS-16-16-A02 ↗
R20-5K4-FSCEW Flange 20 5 0.03 3000 50 (C7) W-SBS-20-5-A03 ↗
R20-5T4-RSI Round 20 5 0.0 600 23 (C6) W-SBS-20-5-A02 ↗
R20-5C1-RSB * Round 20 5 0.03 3000 50 (C7) A10CL6A2 ↗
R20-10B1-RSB * Round 20 10 0.05 3000 50 (C7) A10QN0A3 ↗
R20-10B1-RSV Round 20 10 0.03 3000 50 (C7) W-SBS-20-10-A01 ↗
R20-10K4-FSC Flange 20 10 0.04 3000 50 (C7) W-SBS-20-10-A03 ↗
4R20-20K3-FSCEW Flange 20 20 0.04 3000 50 (C7) W-SBS-20-20-A01 ↗
4R20-20S2-DFSHR1 Flange 20 20 0.04 3000 50 (C7) W-SBS-20-20-A02 ↗
4R20-20A2-DFSV * Flange 20 20 0.04 3000 50 (C7) A10SKUA3 ↗
R25-5K4-FSCEW Flange 25 5 0.03 4500 50 (C7) W-SBS-25-5-A02 ↗
R25-10K4-FSCEW Flange 25 10 0.03 4500 50 (C7) W-SBS-25-10-A01 ↗
4R25-25S2-DFSHR1NW Flange 25 25 0.04 4500 50 (C7) W-SBS-25-25-A01 ↗
R32-5K6-FSCEW Flange 32 5 0.04 4500 50 (C7) W-SBS-32-5-A02 ↗
R32-10K5-FSCEW Flange 32 10 0.03 4500 50 (C7) W-SBS-32-10-A02 ↗
2R32-20K4-FSC Flange 32 20 0.04 4500 50 (C7) W-SBS-32-20-A01 ↗
4R32-32A2-DRSV Round 32 32 0.03 4500 50 (C7) W-SBS-32-32-A03 ↗
4R32-32K4-DFSC Flange 32 32 0.05 4500 50 (C7) W-SBS-32-32-A02 ↗
4R32-32S2-DFSHR1 Flange 32 32 0.05 4500 50 (C7) W-SBS-32-32-A04 ↗
4R32-32A2-DRSB * Round 32 32 0.05 4500 50 (C7) A10WXPA3 ↗
4R36-36S2-DFSHR1SP Flange 36 36 0.05 4500 50 (C7) W-SBS-36-36-A01 ↗
R40-5K4-FSC Flange 40 5 0.04 5600 50 (C7) W-SBS-40-5-A01 ↗
R40-10K4-FSC Flange 40 10 0.07 5600 50 (C7) W-SBS-40-10-A01 ↗
4R40-40K4-DFSC Flange 40 40 0.07 5600 50 (C7) W-SBS-40-40-A01 ↗
R50-10K6-FSC Flange 50 10 0.07 5600 50 (C7) W-SBS-50-10-A01 ↗
R50-10T4-RSI * Round 50 10 0.03 5600 50 (C7) A11503A2 ↗
2R50-20K6-FSC Flange 50 20 0.07 4000 50 (C7) W-SBS-50-20-A01 ↗

* Stocked while supplies last; afterwards available via special order. Drawings are subject to change without prior notice.

X-Y retrofit

Replacement screws for machine-tool retrofits.

Matched X-axis traverse and Y-axis crossfeed screws in ground and rolled accuracy grades, plus the yoke housing that fits both.

Ground X-Axis Traverse Screw (0.0005"/ft. Lead Deviation Accuracy) Precision Ground Ballscrews

Configuration Part Number Specification Drawing
32" BG3205X-32 R32-5.08B2-FSV-611.38-1066.8-0.012 A10JSEA1 ↗
36" BG3205X-36 R32-5.08B2-FSV-712.98-1168.4-0.012 A10JSFA1 ↗
42" BG3205X-42 R32-5.08B2-FSV-865.38-1320.8-0.012 A10JSGA1 ↗
48" BG3205X-48 R32-5.08B2-FSV-1017.78-1473.2-0.012 A100B6A2 ↗
50" BG3205X-50 R32-5.08B2-FSV-1546-1800-0.012 A108QVA1 ↗

Ground Y-Axis Crossfeed Screw (0.0005″/ft. Lead Deviation Accuracy) Precision Ground Ballscrews

Configuration Part Number Specification Drawing
9" BG3205Y-9 L32-5.08B2-FSV-349.76-515.62-0.012 A10JSHA1 ↗
12" BG3205Y-12 L32-5.08B2-FSV-425.96-591.82-0.012 A10JSIA1 ↗
16" BG3205Y-16 L32-5.08B2-FSV-527.56-693.42-0.012 A10JSJA1 ↗
22" BG3205Y-22 L32-5.08B2-FSV-746-1000-0.012 A108QWA1 ↗

Rolled X-Axis Traverse Screw (0.002″/ft. Lead Deviation Accuracy) Precision Rolled Ballscrews

Configuration Part Number Specification Drawing
32" BR3205X-32 R32-5.08B2-FSV-611.38-1066.8-0.05 A10JS9A1 ↗
36" BR3205X-36 R32-5.08B2-FSV-712.98-1168.4-0.05 A10CB8A1 ↗
42" BR3205X-42 R32-5.08B2-FSV-865.38-1320.8-0.05 A10JSAA1 ↗
48" BR3205X-48 R32-5.08B2-FSV-1017.78-1473.2-0.05 A1063VA1 ↗

Rolled Y-Axis Crossfeed Screw (0.002″/ft. Lead Deviation Accuracy) Precision Rolled Ballscrews

Configuration Part Number Specification Drawing
9" BR3205Y-9 L32-5.08B2-FSV-349.76-515.62-0.05 A10JSBA1 ↗
12" BR3205Y-12 L32-5.08B2-FSV-425.96-591.82-0.05 A10JSCA1 ↗
16" BR3205Y-16 L32-5.08B2-FSV-527.56-693.42-0.05 A10JSDA1 ↗

Yoke Housing (Matched for both Rolled and Ground Ballscrews)

Configuration Part Number Specification Drawing
B3205H YOKE HOUSING 7L0002A3 ↗

Service & replacement

Already running a HIWIN ballscrew?

Worn or damaged screws can be rebuilt rather than replaced. Send us the assembly and our Huntley team will assess it.

Ballscrew service & replacement

63 stocked assemblies · 17 retrofit part numbers
A persons hands install a metal bearing onto a long, cylindrical metal rod in a workshop or industrial setting. Shelves and equipment appear blurred in the background.

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Configure the screw your application actually needs.

The configurator covers a far broader range than the stocking program, and ends in a drawing, a STEP file, and a quote request.