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LINEAR PRODUCTS

SD Bidirectional Ball Screw

ABSSAC Lead Screws, Ball Screws, and Shaft Couplings
Call: 01386 421 005
Email: sales@abssac.co.uk
Web: www.abssac.co.uk
ABSSAC

SD series   Standardized Bi-directional Ball Screws

SD series are economical Ball Screws which moves bi-directionally with a shaft, and perform centering, precise positioning. There are Precision Ball Screws C3, C5 grade.

Accuracy Grade & Axial play

Accuracy grades of SD series (Standardized Bidirectional Precision Ball Screws) are 2 kinds, JIS C3 and JIS C5. Axial play are 0 (Preload : C3) and 0.005mm or less(C5) corresponding to accuracy grades in stock.

Material & Surface hardness

Shafts and Nuts of SD series(Standardized Bidirectional Precision Ball Screws) adopts SCM415 (carburizing and quenching), surface hardness of Ball Screw part is HRC58-62.

Lubrication

SD series(Standardized Bi-directional Precision Ball Screws) are applied with anti-rust oil for rust prevention when unfinished end journal. Since anti-rust oil is not lubricant, apply Grease or lubrication oil before using Ball Screws. If there is no specific instruction, ABSSAC would recommend our original Grease (MSG No.2) as standard lubricant. Please feel free to contact us.

End-journal profile

End-journal configuration of SD series (Standardized Bi-directional Precision Ball Screws) is not standardized. Please ask ABSSAC regarding additional machining with a drawing which shows end-journal profile.

Model number notation

Model number notation of SD series (Standardized Bi-directional Precision Ball Screws) is as follows.

SD Diagram 1

  • Bi-directional Ball Screws series No.
  • Screw Shaft nominal diameter(mm)
  • Lead(mm)
  • Left-side thread length(mm)
  • Left-hand
  • Right-side thread length(mm)
  • Right-hand
  • Screw Shaft total length(mm)
  • Accuracy grade(C3 or C5)
T: +44 (0)1386 421005F: +44 (0)1386 422441E: sales@abssac.co.ukW: www.abssac.co.uk
ABSSAC
Standard products in stock SD series

SD0401

Shaft dia. ∅4

Lead 1mm

C3 & C5

SD Diagram 2

Unit : mm 
Ball Screw Specifications
Ball size∅0.6
Number of thread1
Thread directionLeft & Right
Shaft root dia.∅3.4
Number of circuit1×3
Shaft/Nut MaterialSCM415H
Surface hardnessHRC58∼62
(Thread area)
Anti-rust treatmentAnti-rust oil
Unit : mm
Ball Screw ModelTravelGradeLead accuracyTotal
Run-out
Axial playPreload
Torque
Nm
Basic Load Rating
N
Travel deviation
eP
Variation
Vu
Dynamic
Ca
Static
Coa
SD0401-50L50R140C335C3±0.0080.0080.0350~0.010300430
SD0401-50L50R140C535C5±0.0180.0180.050~0.005-
Note 1)
Please designate end-journal profile with your sketch.
Note 2)
Absolute position of both Nuts related to the Screw Shaft is not under the control.
T: +44 (0)1386 421005F: +44 (0)1386 422441E: sales@abssac.co.ukW: www.abssac.co.uk
ABSSAC
Standard products in stock SD series

SD0601

Shaft dia. ∅6

Lead 1mm

C3 & C5

SD Diagram 3

Unit : mm 
Ball Screw Specifications
Ball size∅0.8
Number of thread1
Thread directionLeft & Right
Shaft root dia.∅5.3
Number of circuit1×3
Shaft/Nut MaterialSCM415H
Surface hardnessHRC58∼62
(Thread area)
Anti-rust treatmentAnti-rust oil
Unit : mm
Ball Screw ModelTravelGradeLead accuracyTotal
Run-out
Axial playPreload
Torque
Nm
Basic Load Rating
N
Travel deviation
eP
Variation
Vu
Dynamic
Ca
Static
Coa
SD0601-80L80R210C365C3±0.0080.0080.0500~0.0135501000
SD0601-80L80R210C565C5±0.0180.0180.065~0.005-
Note 1)
Please designate end-journal profile with your sketch.
Note 2)
Absolute position of both Nuts related to the Screw Shaft is not under the control.
T: +44 (0)1386 421005F: +44 (0)1386 422441E: sales@abssac.co.ukW: www.abssac.co.uk
ABSSAC
Standard products in stock SD series

SD0801

Shaft dia. ∅8

Lead 1mm

C3 & C5

SD Diagram 4

Unit : mmSD Diagram 6
View Z-Z
Ball Screw Specifications
Ball size∅0.8
Number of thread1
Thread directionLeft & Right
Shaft root dia.∅7.3
Number of circuit1×3
Shaft/Nut MaterialSCM415H
Surface hardnessHRC58∼62
(Thread area)
Anti-rust treatmentAnti-rust oil
Unit : mm
Ball Screw ModelTravelGradeLead accuracyTotal
Run-out
Axial playPreload
Torque
Nm
Basic Load Rating
N
Travel deviation
eP
Variation
Vu
Dynamic
Ca
Static
Coa
SD0801-120L120R300C3105C3±0.0100.0080.0500~0.0186501300
SD0801-120L120R300C5105C5±0.0200.0180.065~0.005-
Note 1)
Please designate end-journal profile with your sketch.
Note 2)
Absolute position of both Nuts related to the Screw Shaft is not under the control.
T: +44 (0)1386 421005F: +44 (0)1386 422441E: sales@abssac.co.ukW: www.abssac.co.uk
ABSSAC
Standard products in stock SD series

SD0802

Shaft dia. ∅8

Lead 2mm

C3 & C5

SD Diagram 5

Unit : mmSD Diagram 7
View Z-Z
Ball Screw Specifications
Ball size∅1.2
Number of thread1
Thread directionLeft & Right
Shaft root dia.∅7.0
Number of circuit1×3
Shaft/Nut MaterialSCM415H
Surface hardnessHRC58∼62
(Thread area)
Anti-rust treatmentAnti-rust oil
Unit : mm
Ball Screw ModelTravelGradeLead accuracyTotal
Run-out
Axial playPreload
Torque
Nm
Basic Load Rating
N
Travel deviation
eP
Variation
Vu
Dynamic
Ca
Static
Coa
SD0802-120L120R300C3100C3±0.0100.0080.0500~0.02013002300
SD0802-120L120R300C5100C5±0.0200.0180.065~0.005-
Note 1)
Please designate end-journal profile with your sketch.
Note 2)
Absolute position of both Nuts related to the Screw Shaft is not under the control.
T: +44 (0)1386 421005F: +44 (0)1386 422441E: sales@abssac.co.ukW: www.abssac.co.uk
ABSSAC
Standard products in stock SD series

SD1002

Shaft dia. ∅10

Lead 2mm

C3 & C5

SD Diagram 8

Unit : mmSD Diagram 10
View Z-Z
Ball Screw Specifications
Ball size∅1.2
Number of thread1
Thread directionLeft & Right
Shaft root dia.∅9.0
Number of circuit1×3
Shaft/Nut MaterialSCM415H
Surface hardnessHRC58∼62
(Thread area)
Anti-rust treatmentAnti-rust oil
Unit : mm
Ball Screw ModelTravelGradeLead accuracyTotal
Run-out
Axial playPreload
Torque
Nm
Basic Load Rating
N
Travel deviation
eP
Variation
Vu
Dynamic
Ca
Static
Coa
SD1002-165L165R400C3145C3±0.0100.0080.0500~0.02514503000
SD1002-165L165R400C5145C5±0.0200.0180.065~0.005-
Note 1)
Please designate end-journal profile with your sketch.
Note 2)
Absolute position of both Nuts related to the Screw Shaft is not under the control.
T: +44 (0)1386 421005F: +44 (0)1386 422441E: sales@abssac.co.ukW: www.abssac.co.uk
ABSSAC
Standard products in stock SD series

SD1202

Shaft dia. ∅12

Lead 2mm

C3 & C5

SD Diagram 9

Unit : mmSD Diagram 11
View Z-Z
Ball Screw Specifications
Ball size∅1.2
Number of thread1
Thread directionLeft & Right
Shaft root dia.∅11.0
Number of circuit1×3
Shaft/Nut MaterialSCM415H
Surface hardnessHRC58∼62
(Thread area)
Anti-rust treatmentAnti-rust oil
Unit : mm
Ball Screw ModelTravelGradeLead accuracyTotal
Run-out
Axial playPreload
Torque
Nm
Basic Load Rating
N
Travel deviation
eP
Variation
Vu
Dynamic
Ca
Static
Coa
SD1202-180L180R440C3160C3±0.0100.0080.0650~0.03516003700
SD1202-180L180R440C5160C5±0.0200.0180.080~0.005-
Note 1)
Please designate end-journal profile with your sketch.
Note 2)
Absolute position of both Nuts related to the Screw Shaft is not under the control.
T: +44 (0)1386 421005F: +44 (0)1386 422441E: sales@abssac.co.ukW: www.abssac.co.uk