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Inovance BS Precision Ball Screw, Internal Circulation Flange Nut

Inovance BS Precision Ball Screw, Internal Circulation Flange Nut

Precision ball screw with compact internal-circulation flange nut for general automation and machine tools.

Key features

  • Ground screw shaft external thread and nut internal thread
  • High-frequency induction hardening for consistent hardened layer

Specifications

Accuracy class C1, C3, C5, C7 (JIS B 1192)
Thread direction Right-hand standard; left-hand on request
Preload Oversize ball, spherical washer or full preload (per naming chart)
Nut Flange nut
Circulation Internal
Inovance BS Precision Ball Screw, Internal Circulation Flange Nut
BS1604FT Shaft dia.: 16 mm | Lead: 4 mm | Ball dia.: 2.381 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 4.9 kN | Static load Coa: 9.8 kN | Axial stiffness: 204 N/μm
BS1605FU Shaft dia.: 16 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 1 x 4 | Dynamic load Ca: 9 kN | Static load Coa: 17 kN | Axial stiffness: 280 N/μm
BS1606FU Shaft dia.: 16 mm | Lead: 6 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 1 x 4 | Dynamic load Ca: 8.5 kN | Static load Coa: 15.6 kN | Axial stiffness: 274 N/μm
BS2004FW Shaft dia.: 20 mm | Lead: 4 mm | Ball dia.: 2.381 mm | Circulations (turns x rows): 1 x 6 | Dynamic load Ca: 9.1 kN | Static load Coa: 22.2 kN | Axial stiffness: 475 N/μm
BS2005FT Shaft dia.: 20 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 8.3 kN | Static load Coa: 17.3 kN | Axial stiffness: 260 N/μm
BS2006FW Shaft dia.: 20 mm | Lead: 6 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 1 x 6 | Dynamic load Ca: 19.1 kN | Static load Coa: 40 kN | Axial stiffness: 508 N/μm
BS2008FU Shaft dia.: 20 mm | Lead: 8 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 1 x 4 | Dynamic load Ca: 13.4 kN | Static load Coa: 26.5 kN | Axial stiffness: 344 N/μm
BS2010FT Shaft dia.: 20 mm | Lead: 10 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 9.9 kN | Static load Coa: 18.2 kN | Axial stiffness: 256 N/μm || Variant: Shaft dia.: 20 mm | Lead: 10 mm | Ball dia.: 4.763 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 12.1 kN | Static load Coa: 21.1 kN | Axial stiffness: 267 N/μm
BS2504FT Shaft dia.: 25 mm | Lead: 4 mm | Ball dia.: 2.381 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 6 kN | Static load Coa: 15.6 kN | Axial stiffness: 295 N/μm
BS2505FT Shaft dia.: 25 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 9.5 kN | Static load Coa: 23 kN | Axial stiffness: 316 N/μm
BS2506FW Shaft dia.: 25 mm | Lead: 6 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 1 x 6 | Dynamic load Ca: 23.3 kN | Static load Coa: 57.5 kN | Axial stiffness: 630 N/μm
BS2510FT Shaft dia.: 25 mm | Lead: 10 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 8.2 kN | Static load Coa: 18.5 kN | Axial stiffness: 301 N/μm || Variant: Shaft dia.: 25 mm | Lead: 10 mm | Ball dia.: 4.763 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 14.5 kN | Static load Coa: 28.7 kN | Axial stiffness: 322 N/μm
BS2510FU Shaft dia.: 25 mm | Lead: 10 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 1 x 4 | Dynamic load Ca: 14.4 kN | Static load Coa: 31.5 kN | Axial stiffness: 408 N/μm
BS2805FV Shaft dia.: 28 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 1 x 5 | Dynamic load Ca: 14.3 kN | Static load Coa: 38.5 kN | Axial stiffness: 550 N/μm
BS2810FW Shaft dia.: 28 mm | Lead: 10 mm | Ball dia.: 4.763 mm | Circulations (turns x rows): 1 x 6 | Dynamic load Ca: 25.8 kN | Static load Coa: 58 kN | Axial stiffness: 670 N/μm
BS3206FT Shaft dia.: 32 mm | Lead: 6 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 18.3 kN | Static load Coa: 44 kN | Axial stiffness: 402 N/μm
BS3210FT Shaft dia.: 32 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 25.8 kN | Static load Coa: 55.5 kN | Axial stiffness: 413 N/μm
BS3210FV Shaft dia.: 32 mm | Lead: 10 mm | Ball dia.: 7.144 mm | Circulations (turns x rows): 1 x 5 | Dynamic load Ca: 45 kN | Static load Coa: 98 kN | Axial stiffness: 667 N/μm
BS3212FU Shaft dia.: 32 mm | Lead: 12 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 1 x 4 | Dynamic load Ca: 31.5 kN | Static load Coa: 68 kN | Axial stiffness: 535 N/μm
BS3610FV Shaft dia.: 36 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 1 x 5 | Dynamic load Ca: 35.5 kN | Static load Coa: 78.5 kN | Axial stiffness: 698 N/μm
BS4005FT Shaft dia.: 40 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 12.1 kN | Static load Coa: 40 kN | Axial stiffness: 471 N/μm
BS4010FS Shaft dia.: 40 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 1 x 8 | Dynamic load Ca: 67 kN | Static load Coa: 185 kN | Axial stiffness: 1268 N/μm
BS4010FV Shaft dia.: 40 mm | Lead: 10 mm | Ball dia.: 7.144 mm | Circulations (turns x rows): 1 x 5 | Dynamic load Ca: 54 kN | Static load Coa: 136 kN | Axial stiffness: 836 N/μm
BS5010FW Shaft dia.: 50 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 1 x 6 | Dynamic load Ca: 60 kN | Static load Coa: 184 kN | Axial stiffness: 1171 N/μm
BS5010FU Shaft dia.: 50 mm | Lead: 10 mm | Ball dia.: 7.144 mm | Circulations (turns x rows): 1 x 4 | Dynamic load Ca: 50 kN | Static load Coa: 140 kN | Axial stiffness: 804 N/μm
BS5016FV Shaft dia.: 50 mm | Lead: 16 mm | Ball dia.: 12.7 mm | Circulations (turns x rows): 1 x 5 | Dynamic load Ca: 120 kN | Static load Coa: 278 kN | Axial stiffness: 493 N/μm
BS6310FT Shaft dia.: 63 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 38 kN | Static load Coa: 124 kN | Axial stiffness: 745 N/μm
Ball ScrewsInovance
27 product codes available in this family
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Inovance BS Precision Ball Screw, Internal Circulation Flange Nut

Brand Inovance·Ball Screws

Available part numbers (27)

BS1604FT, BS1605FU, BS1606FU, BS2004FW, BS2005FT, BS2006FW, BS2008FU, BS2010FT, BS2504FT, BS2505FT + 17 more — see full table ↓

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Product codes & specifications
Inovance BS Precision Ball Screw, Internal Circulation Flange Nut
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Product codeSpec
BS1604FTShaft dia.: 16 mm | Lead: 4 mm | Ball dia.: 2.381 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 4.9 kN | Static load Coa: 9.8 kN | Axial stiffness: 204 N/μm
BS1605FUShaft dia.: 16 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 1 x 4 | Dynamic load Ca: 9 kN | Static load Coa: 17 kN | Axial stiffness: 280 N/μm
BS1606FUShaft dia.: 16 mm | Lead: 6 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 1 x 4 | Dynamic load Ca: 8.5 kN | Static load Coa: 15.6 kN | Axial stiffness: 274 N/μm
BS2004FWShaft dia.: 20 mm | Lead: 4 mm | Ball dia.: 2.381 mm | Circulations (turns x rows): 1 x 6 | Dynamic load Ca: 9.1 kN | Static load Coa: 22.2 kN | Axial stiffness: 475 N/μm
BS2005FTShaft dia.: 20 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 8.3 kN | Static load Coa: 17.3 kN | Axial stiffness: 260 N/μm
BS2006FWShaft dia.: 20 mm | Lead: 6 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 1 x 6 | Dynamic load Ca: 19.1 kN | Static load Coa: 40 kN | Axial stiffness: 508 N/μm
BS2008FUShaft dia.: 20 mm | Lead: 8 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 1 x 4 | Dynamic load Ca: 13.4 kN | Static load Coa: 26.5 kN | Axial stiffness: 344 N/μm
BS2010FTShaft dia.: 20 mm | Lead: 10 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 9.9 kN | Static load Coa: 18.2 kN | Axial stiffness: 256 N/μm || Variant: Shaft dia.: 20 mm | Lead: 10 mm | Ball dia.: 4.763 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 12.1 kN | Static load Coa: 21.1 kN | Axial stiffness: 267 N/μm
BS2504FTShaft dia.: 25 mm | Lead: 4 mm | Ball dia.: 2.381 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 6 kN | Static load Coa: 15.6 kN | Axial stiffness: 295 N/μm
BS2505FTShaft dia.: 25 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 9.5 kN | Static load Coa: 23 kN | Axial stiffness: 316 N/μm
BS2506FWShaft dia.: 25 mm | Lead: 6 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 1 x 6 | Dynamic load Ca: 23.3 kN | Static load Coa: 57.5 kN | Axial stiffness: 630 N/μm
BS2510FTShaft dia.: 25 mm | Lead: 10 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 8.2 kN | Static load Coa: 18.5 kN | Axial stiffness: 301 N/μm || Variant: Shaft dia.: 25 mm | Lead: 10 mm | Ball dia.: 4.763 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 14.5 kN | Static load Coa: 28.7 kN | Axial stiffness: 322 N/μm
BS2510FUShaft dia.: 25 mm | Lead: 10 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 1 x 4 | Dynamic load Ca: 14.4 kN | Static load Coa: 31.5 kN | Axial stiffness: 408 N/μm
BS2805FVShaft dia.: 28 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 1 x 5 | Dynamic load Ca: 14.3 kN | Static load Coa: 38.5 kN | Axial stiffness: 550 N/μm
BS2810FWShaft dia.: 28 mm | Lead: 10 mm | Ball dia.: 4.763 mm | Circulations (turns x rows): 1 x 6 | Dynamic load Ca: 25.8 kN | Static load Coa: 58 kN | Axial stiffness: 670 N/μm
BS3206FTShaft dia.: 32 mm | Lead: 6 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 18.3 kN | Static load Coa: 44 kN | Axial stiffness: 402 N/μm
BS3210FTShaft dia.: 32 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 25.8 kN | Static load Coa: 55.5 kN | Axial stiffness: 413 N/μm
BS3210FVShaft dia.: 32 mm | Lead: 10 mm | Ball dia.: 7.144 mm | Circulations (turns x rows): 1 x 5 | Dynamic load Ca: 45 kN | Static load Coa: 98 kN | Axial stiffness: 667 N/μm
BS3212FUShaft dia.: 32 mm | Lead: 12 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 1 x 4 | Dynamic load Ca: 31.5 kN | Static load Coa: 68 kN | Axial stiffness: 535 N/μm
BS3610FVShaft dia.: 36 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 1 x 5 | Dynamic load Ca: 35.5 kN | Static load Coa: 78.5 kN | Axial stiffness: 698 N/μm
BS4005FTShaft dia.: 40 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 12.1 kN | Static load Coa: 40 kN | Axial stiffness: 471 N/μm
BS4010FSShaft dia.: 40 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 1 x 8 | Dynamic load Ca: 67 kN | Static load Coa: 185 kN | Axial stiffness: 1268 N/μm
BS4010FVShaft dia.: 40 mm | Lead: 10 mm | Ball dia.: 7.144 mm | Circulations (turns x rows): 1 x 5 | Dynamic load Ca: 54 kN | Static load Coa: 136 kN | Axial stiffness: 836 N/μm
BS5010FWShaft dia.: 50 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 1 x 6 | Dynamic load Ca: 60 kN | Static load Coa: 184 kN | Axial stiffness: 1171 N/μm
BS5010FUShaft dia.: 50 mm | Lead: 10 mm | Ball dia.: 7.144 mm | Circulations (turns x rows): 1 x 4 | Dynamic load Ca: 50 kN | Static load Coa: 140 kN | Axial stiffness: 804 N/μm
BS5016FVShaft dia.: 50 mm | Lead: 16 mm | Ball dia.: 12.7 mm | Circulations (turns x rows): 1 x 5 | Dynamic load Ca: 120 kN | Static load Coa: 278 kN | Axial stiffness: 493 N/μm
BS6310FTShaft dia.: 63 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 1 x 3 | Dynamic load Ca: 38 kN | Static load Coa: 124 kN | Axial stiffness: 745 N/μm

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