Inovance BS / MBS Precision Ball Screw, External Circulation Flange Nut
Inovance BS / MBS Precision Ball Screw, External Circulation Flange Nut
Precision ball screw with external (return-tube) circulation flange nut, available in many shaft diameter and lead combinations.
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 | External |
| MBS1240FC | Shaft dia.: 12 mm | Lead: 4 mm | Ball dia.: 2.381 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 8.2 kN | Static load Coa: 16.6 kN | Axial stiffness: 294 N/μm | |
| BS1605FC | Shaft dia.: 16 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 13.7 kN | Static load Coa: 29.6 kN | Axial stiffness: 385 N/μm | |
| BS2004FC | Shaft dia.: 20 mm | Lead: 4 mm | Ball dia.: 2.381 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 10.6 kN | Static load Coa: 29 kN | Axial stiffness: 454 N/μm | |
| BS2005FC | Shaft dia.: 20 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 15.4 kN | Static load Coa: 37.5 kN | Axial stiffness: 464 N/μm | |
| BS2006FC | Shaft dia.: 20 mm | Lead: 6 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 20.5 kN | Static load Coa: 46.5 kN | Axial stiffness: 474 N/μm | |
| BS2008FA | Shaft dia.: 20 mm | Lead: 8 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 2.5 x 1 | Dynamic load Ca: 11.3 kN | Static load Coa: 23.1 kN | Axial stiffness: 245 N/μm | |
| BS2504FA | Shaft dia.: 25 mm | Lead: 4 mm | Ball dia.: 2.381 mm | Circulations (turns x rows): 2.5 x 1 | Dynamic load Ca: 6.4 kN | Static load Coa: 17.9 kN | Axial stiffness: 276 N/μm | |
| BS2505FB | Shaft dia.: 25 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 3.5 x 1 | Dynamic load Ca: 12.5 kN | Static load Coa: 33 kN | Axial stiffness: 392 N/μm | |
| BS2506FC | Shaft dia.: 25 mm | Lead: 6 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 23 kN | Static load Coa: 59 kN | Axial stiffness: 572 N/μm | |
| BS2508FC | Shaft dia.: 25 mm | Lead: 8 mm | Ball dia.: 4.763 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 29.5 kN | Static load Coa: 71 kN | Axial stiffness: 591 N/μm | |
| BS2510FA | Shaft dia.: 25 mm | Lead: 10 mm | Ball dia.: 4.763 mm | Circulations (turns x rows): 2.5 x 1 | Dynamic load Ca: 16.2 kN | Static load Coa: 35.5 kN | Axial stiffness: 221 N/μm | |
| BS2805FK | Shaft dia.: 28 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 2.5 x 4 | Dynamic load Ca: 32.5 kN | Static load Coa: 107 kN | Axial stiffness: 1187 N/μm | |
| BS2806FC | Shaft dia.: 28 mm | Lead: 6 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 18 kN | Static load Coa: 53.5 kN | Axial stiffness: 612 N/μm | |
| BS2810FC | Shaft dia.: 28 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 44 kN | Static load Coa: 102 kN | Axial stiffness: 655 N/μm | |
| BS3205FC | Shaft dia.: 32 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 19.1 kN | Static load Coa: 61.5 kN | Axial stiffness: 683 N/μm | |
| BS3206FK | Shaft dia.: 32 mm | Lead: 6 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 2.5 x 4 | Dynamic load Ca: 47.5 kN | Static load Coa: 155 kN | Axial stiffness: 1377 N/μm | |
| BS3208FK | Shaft dia.: 32 mm | Lead: 8 mm | Ball dia.: 4.763 mm | Circulations (turns x rows): 2.5 x 4 | Dynamic load Ca: 59.5 kN | Static load Coa: 178 kN | Axial stiffness: 1367 N/μm | |
| BS3210FC | Shaft dia.: 32 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 47.5 kN | Static load Coa: 118 kN | Axial stiffness: 734 N/μm | |
| BS3212FC | Shaft dia.: 32 mm | Lead: 12 mm | Ball dia.: 7.144 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 54.5 kN | Static load Coa: 130 kN | Axial stiffness: 731 N/μm | |
| BS3605FK | Shaft dia.: 36 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 2.5 x 4 | Dynamic load Ca: 36.5 kN | Static load Coa: 139 kN | Axial stiffness: 1451 N/μm | |
| BS3606FK | Shaft dia.: 36 mm | Lead: 6 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 2.5 x 4 | Dynamic load Ca: 50 kN | Static load Coa: 174 kN | Axial stiffness: 1506 N/μm | |
| BS3610FC | Shaft dia.: 36 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 51 kN | Static load Coa: 134 kN | Axial stiffness: 813 N/μm | |
| BS4005FD | Shaft dia.: 40 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 2.5 x 3 | Dynamic load Ca: 29.7 kN | Static load Coa: 116 kN | Axial stiffness: 1205 N/μm | |
| BS4006FK | Shaft dia.: 40 mm | Lead: 6 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 2.5 x 4 | Dynamic load Ca: 52 kN | Static load Coa: 193 kN | Axial stiffness: 1629 N/μm | |
| BS4008FK | Shaft dia.: 40 mm | Lead: 8 mm | Ball dia.: 4.763 mm | Circulations (turns x rows): 2.5 x 4 | Dynamic load Ca: 67 kN | Static load Coa: 232 kN | Axial stiffness: 1684 N/μm | |
| BS4010FC | Shaft dia.: 40 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 53.5 kN | Static load Coa: 150 kN | Axial stiffness: 885 N/μm | |
| BS4012FD | Shaft dia.: 40 mm | Lead: 12 mm | Ball dia.: 7.938 mm | Circulations (turns x rows): 2.5 x 3 | Dynamic load Ca: 101 kN | Static load Coa: 278 kN | Axial stiffness: 1332 N/μm | |
| BS4016FC | Shaft dia.: 40 mm | Lead: 16 mm | Ball dia.: 7.144 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 62.5 kN | Static load Coa: 169 kN | Axial stiffness: 906 N/μm | |
| BS4510FF | Shaft dia.: 45 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 1.5 x 2 | Dynamic load Ca: 38 kN | Static load Coa: 108 kN | Axial stiffness: 630 N/μm | |
| BS5006FC | Shaft dia.: 50 mm | Lead: 6 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 31.5 kN | Static load Coa: 121 kN | Axial stiffness: 1006 N/μm | |
| BS5010FC | Shaft dia.: 50 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 59.5 kN | Static load Coa: 190 kN | Axial stiffness: 1067 N/μm | |
| BS5012FK | Shaft dia.: 50 mm | Lead: 12 mm | Ball dia.: 7.938 mm | Circulations (turns x rows): 2.5 x 4 | Dynamic load Ca: 146 kN | Static load Coa: 470 kN | Axial stiffness: 2118 N/μm | |
| BS6306FC | Shaft dia.: 63 mm | Lead: 6 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 34 kN | Static load Coa: 153 kN | Axial stiffness: 1203 N/μm | |
| BS6308FC | Shaft dia.: 63 mm | Lead: 8 mm | Ball dia.: 4.763 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 44.5 kN | Static load Coa: 184 kN | Axial stiffness: 1238 N/μm | |
| BS6310FC | Shaft dia.: 63 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 67 kN | Static load Coa: 246 kN | Axial stiffness: 1304 N/μm |
Ball ScrewsInovance
35 product codes available in this family
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Inovance BS / MBS Precision Ball Screw, External Circulation Flange Nut
Available part numbers (35)
MBS1240FC, BS1605FC, BS2004FC, BS2005FC, BS2006FC, BS2008FA, BS2504FA, BS2505FB, BS2506FC, BS2508FC + 25 more — see full table ↓
How to order
Send the Inovance part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.
Inovance
Ball Screws
Photo on request
Product codes & specifications
| Product code | Spec | ||
|---|---|---|---|
| MBS1240FC | Shaft dia.: 12 mm | Lead: 4 mm | Ball dia.: 2.381 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 8.2 kN | Static load Coa: 16.6 kN | Axial stiffness: 294 N/μm | ||
| BS1605FC | Shaft dia.: 16 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 13.7 kN | Static load Coa: 29.6 kN | Axial stiffness: 385 N/μm | ||
| BS2004FC | Shaft dia.: 20 mm | Lead: 4 mm | Ball dia.: 2.381 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 10.6 kN | Static load Coa: 29 kN | Axial stiffness: 454 N/μm | ||
| BS2005FC | Shaft dia.: 20 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 15.4 kN | Static load Coa: 37.5 kN | Axial stiffness: 464 N/μm | ||
| BS2006FC | Shaft dia.: 20 mm | Lead: 6 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 20.5 kN | Static load Coa: 46.5 kN | Axial stiffness: 474 N/μm | ||
| BS2008FA | Shaft dia.: 20 mm | Lead: 8 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 2.5 x 1 | Dynamic load Ca: 11.3 kN | Static load Coa: 23.1 kN | Axial stiffness: 245 N/μm | ||
| BS2504FA | Shaft dia.: 25 mm | Lead: 4 mm | Ball dia.: 2.381 mm | Circulations (turns x rows): 2.5 x 1 | Dynamic load Ca: 6.4 kN | Static load Coa: 17.9 kN | Axial stiffness: 276 N/μm | ||
| BS2505FB | Shaft dia.: 25 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 3.5 x 1 | Dynamic load Ca: 12.5 kN | Static load Coa: 33 kN | Axial stiffness: 392 N/μm | ||
| BS2506FC | Shaft dia.: 25 mm | Lead: 6 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 23 kN | Static load Coa: 59 kN | Axial stiffness: 572 N/μm | ||
| BS2508FC | Shaft dia.: 25 mm | Lead: 8 mm | Ball dia.: 4.763 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 29.5 kN | Static load Coa: 71 kN | Axial stiffness: 591 N/μm | ||
| BS2510FA | Shaft dia.: 25 mm | Lead: 10 mm | Ball dia.: 4.763 mm | Circulations (turns x rows): 2.5 x 1 | Dynamic load Ca: 16.2 kN | Static load Coa: 35.5 kN | Axial stiffness: 221 N/μm | ||
| BS2805FK | Shaft dia.: 28 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 2.5 x 4 | Dynamic load Ca: 32.5 kN | Static load Coa: 107 kN | Axial stiffness: 1187 N/μm | ||
| BS2806FC | Shaft dia.: 28 mm | Lead: 6 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 18 kN | Static load Coa: 53.5 kN | Axial stiffness: 612 N/μm | ||
| BS2810FC | Shaft dia.: 28 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 44 kN | Static load Coa: 102 kN | Axial stiffness: 655 N/μm | ||
| BS3205FC | Shaft dia.: 32 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 19.1 kN | Static load Coa: 61.5 kN | Axial stiffness: 683 N/μm | ||
| BS3206FK | Shaft dia.: 32 mm | Lead: 6 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 2.5 x 4 | Dynamic load Ca: 47.5 kN | Static load Coa: 155 kN | Axial stiffness: 1377 N/μm | ||
| BS3208FK | Shaft dia.: 32 mm | Lead: 8 mm | Ball dia.: 4.763 mm | Circulations (turns x rows): 2.5 x 4 | Dynamic load Ca: 59.5 kN | Static load Coa: 178 kN | Axial stiffness: 1367 N/μm | ||
| BS3210FC | Shaft dia.: 32 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 47.5 kN | Static load Coa: 118 kN | Axial stiffness: 734 N/μm | ||
| BS3212FC | Shaft dia.: 32 mm | Lead: 12 mm | Ball dia.: 7.144 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 54.5 kN | Static load Coa: 130 kN | Axial stiffness: 731 N/μm | ||
| BS3605FK | Shaft dia.: 36 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 2.5 x 4 | Dynamic load Ca: 36.5 kN | Static load Coa: 139 kN | Axial stiffness: 1451 N/μm | ||
| BS3606FK | Shaft dia.: 36 mm | Lead: 6 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 2.5 x 4 | Dynamic load Ca: 50 kN | Static load Coa: 174 kN | Axial stiffness: 1506 N/μm | ||
| BS3610FC | Shaft dia.: 36 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 51 kN | Static load Coa: 134 kN | Axial stiffness: 813 N/μm | ||
| BS4005FD | Shaft dia.: 40 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Circulations (turns x rows): 2.5 x 3 | Dynamic load Ca: 29.7 kN | Static load Coa: 116 kN | Axial stiffness: 1205 N/μm | ||
| BS4006FK | Shaft dia.: 40 mm | Lead: 6 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 2.5 x 4 | Dynamic load Ca: 52 kN | Static load Coa: 193 kN | Axial stiffness: 1629 N/μm | ||
| BS4008FK | Shaft dia.: 40 mm | Lead: 8 mm | Ball dia.: 4.763 mm | Circulations (turns x rows): 2.5 x 4 | Dynamic load Ca: 67 kN | Static load Coa: 232 kN | Axial stiffness: 1684 N/μm | ||
| BS4010FC | Shaft dia.: 40 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 53.5 kN | Static load Coa: 150 kN | Axial stiffness: 885 N/μm | ||
| BS4012FD | Shaft dia.: 40 mm | Lead: 12 mm | Ball dia.: 7.938 mm | Circulations (turns x rows): 2.5 x 3 | Dynamic load Ca: 101 kN | Static load Coa: 278 kN | Axial stiffness: 1332 N/μm | ||
| BS4016FC | Shaft dia.: 40 mm | Lead: 16 mm | Ball dia.: 7.144 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 62.5 kN | Static load Coa: 169 kN | Axial stiffness: 906 N/μm | ||
| BS4510FF | Shaft dia.: 45 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 1.5 x 2 | Dynamic load Ca: 38 kN | Static load Coa: 108 kN | Axial stiffness: 630 N/μm | ||
| BS5006FC | Shaft dia.: 50 mm | Lead: 6 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 31.5 kN | Static load Coa: 121 kN | Axial stiffness: 1006 N/μm | ||
| BS5010FC | Shaft dia.: 50 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 59.5 kN | Static load Coa: 190 kN | Axial stiffness: 1067 N/μm | ||
| BS5012FK | Shaft dia.: 50 mm | Lead: 12 mm | Ball dia.: 7.938 mm | Circulations (turns x rows): 2.5 x 4 | Dynamic load Ca: 146 kN | Static load Coa: 470 kN | Axial stiffness: 2118 N/μm | ||
| BS6306FC | Shaft dia.: 63 mm | Lead: 6 mm | Ball dia.: 3.969 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 34 kN | Static load Coa: 153 kN | Axial stiffness: 1203 N/μm | ||
| BS6308FC | Shaft dia.: 63 mm | Lead: 8 mm | Ball dia.: 4.763 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 44.5 kN | Static load Coa: 184 kN | Axial stiffness: 1238 N/μm | ||
| BS6310FC | Shaft dia.: 63 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Circulations (turns x rows): 2.5 x 2 | Dynamic load Ca: 67 kN | Static load Coa: 246 kN | Axial stiffness: 1304 N/μm |
Need a different model, or a part not listed here? Send us your parts list →
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