• Inovance RBST Series Precision Ball Spline and Ball Screw
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Inovance RBST Series Precision Ball Spline and Ball Screw

Inovance RBST Series Precision Ball Spline and Ball Screw

Inovance RBST precision ball spline and ball screw units combining a ball screw nut and spline nut on one shaft for SCARA robot Z/theta axes.

Key features

  • Ball screw and ball spline on one shaft: linear, rotary or helical motion
  • Gothic-arch threads with preload for zero axial clearance
  • Nut integrated with 45 deg contact angle support bearing
  • End-bracket ball return for low torque fluctuation and low noise
  • Shaft diameter 16 to 32 mm, leads 16 to 50 mm

Specifications

Brand Inovance (LAIEN)
Nut type Round nut (S)
Axial clearance 0
Applications SCARA, assembly robots, ATC
Source Inovance Precision Ball Screws catalogue 19120498A00, p. 19-20
RBST1616 Shaft dia: 16 mm | Lead: 16 mm | Screw Ca / C0a: 3.8 / 7.2 kN | Spline CT / COT: 31.4 / 34.3 N.m | Spline C / C0: 7.1 / 12.6 kN
RBST1632 Shaft dia: 16 mm | Lead: 32 mm | Screw Ca / C0a: 3.5 / 5.4 kN | Spline CT / COT: 31.4 / 34.3 N.m | Spline C / C0: 7.1 / 12.6 kN
RBST2020 Shaft dia: 20 mm | Lead: 20 mm | Screw Ca / C0a: 5.8 / 12.3 kN | Spline CT / COT: 56.9 / 55.9 N.m | Spline C / C0: 10.2 / 17.8 kN
RBST2040 Shaft dia: 20 mm | Lead: 40 mm | Screw Ca / C0a: 4.3 / 8.0 kN | Spline CT / COT: 56.9 / 55.9 N.m | Spline C / C0: 10.2 / 17.8 kN
RBST2525 Shaft dia: 25 mm | Lead: 25 mm | Screw Ca / C0a: 8.6 / 19.3 kN | Spline CT / COT: 105 / 103 N.m | Spline C / C0: 15.2 / 25.8 kN
RBST2550 Shaft dia: 25 mm | Lead: 50 mm | Screw Ca / C0a: 6.4 / 12.5 kN | Spline CT / COT: 105 / 103 N.m | Spline C / C0: 15.2 / 25.8 kN
RBST3232 Shaft dia: 32 mm | Lead: 32 mm | Screw Ca / C0a: 12.2 / 26.9 kN | Spline CT / COT: 180 / 157 N.m | Spline C / C0: 20.5 / 34 kN
Ball SplinesInovance
7 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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Inovance RBST Series Precision Ball Spline and Ball Screw

Brand Inovance·Ball Splines

Available part numbers (7)

RBST1616, RBST1632, RBST2020, RBST2040, RBST2525, RBST2550, RBST3232

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.

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Product codes & specifications
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Product codeSpec
RBST1616Shaft dia: 16 mm | Lead: 16 mm | Screw Ca / C0a: 3.8 / 7.2 kN | Spline CT / COT: 31.4 / 34.3 N.m | Spline C / C0: 7.1 / 12.6 kN
RBST1632Shaft dia: 16 mm | Lead: 32 mm | Screw Ca / C0a: 3.5 / 5.4 kN | Spline CT / COT: 31.4 / 34.3 N.m | Spline C / C0: 7.1 / 12.6 kN
RBST2020Shaft dia: 20 mm | Lead: 20 mm | Screw Ca / C0a: 5.8 / 12.3 kN | Spline CT / COT: 56.9 / 55.9 N.m | Spline C / C0: 10.2 / 17.8 kN
RBST2040Shaft dia: 20 mm | Lead: 40 mm | Screw Ca / C0a: 4.3 / 8.0 kN | Spline CT / COT: 56.9 / 55.9 N.m | Spline C / C0: 10.2 / 17.8 kN
RBST2525Shaft dia: 25 mm | Lead: 25 mm | Screw Ca / C0a: 8.6 / 19.3 kN | Spline CT / COT: 105 / 103 N.m | Spline C / C0: 15.2 / 25.8 kN
RBST2550Shaft dia: 25 mm | Lead: 50 mm | Screw Ca / C0a: 6.4 / 12.5 kN | Spline CT / COT: 105 / 103 N.m | Spline C / C0: 15.2 / 25.8 kN
RBST3232Shaft dia: 32 mm | Lead: 32 mm | Screw Ca / C0a: 12.2 / 26.9 kN | Spline CT / COT: 180 / 157 N.m | Spline C / C0: 20.5 / 34 kN

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