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Product
Support Unit
For Ball screw

Korean made support unit, ball screw components, support unit varieties, support unit endblock, support block, support end block, end block for ball screw, ball screw end blocks , support block for ball screw, ball screw accessories, ISO 9001, ISO 14001, Korean made components, IT components, mechanical components, motion components, motion accessories, motion control, motion control components, semi conductor components, display machine components, small sized machine components, small mechanical components, machine components, factory automation part

Support unit for ball screw helps to support each shaft-ends of
ball screw. We, S.I.M provides diverse options according to sizes,
loads and purposes for our customers’ best convenience.

  • Support Unit for Ball Screw (Index)
  • Installation Guide
  • Made-To-Order
  • Motor Bracket Unit
  • General Load
  • High Load
  • Grease-injection Type
  • Other F.A. Components
    (Lock nut / Bearing unit)

Other F.A. Componentsdownload

Lock nut

  • RN, ZN, HLRN-2D (.dwg)
  • RN, ZN, HLRN-3D (.step)

RN Series (GENERAL LOAD)

Dimensions
Model CAD Sizes (mm) Fastening
Torque
(N.m)
Mass(g)
T M D d L t □B
RN-4 M4×0.5 M3×0.5 11 8.5 5 2.7 10 1.6 4
RN-5 M5×0.5 M3×0.5 13 9 5 2.7 11 2 5
RN-6 M6×0.75 M3×0.5 14.5 10 5 2.7 12 2.5 5
RN-8 M8×1 M3×0.5 17 13 6.5 4 14 5 8
RN-8 (0.75P) M8×0.75 M3×0.5 17 13 6.5 4 14 5 8
RN-10 M10×1 M4×0.7 20 15 8 5.5 16 9.5 10
RN-10 (0.75P) M10×0.75 M4×0.7 20 15 8 5.5 16 9.5 10
RN-12 M12×1 M4×0.7 22 17 8 5.5 19 14 14
RN-15 M15×1 M4×0.7 25 21 8 4.5 22 24 15
RN-17 M17×1 M4×0.7 30 25 13 9 24 35 17
RN-20 M20×1 M4×0.7 35 26 11 7 30 48 35
RN-25 M25×1.5 M5×0.8 43 33 15 10 35 86 45
RN-30 M30×1.5 M6×1 48 39 20 14 40 128 80
RN-35 M35×1.5 M8×1.25 60 46 21 14 50 192 130
RN-40 M40×1.5 M8×1.25 63 51 25 18 50 256 235
Material for RN
Model Body Accessories
Material Surface Treatment Set-screw Crush pad
RN-□□ Steel Black Oxide SCM435 Brass

RNSS Series (GENERAL LOAD)

Dimensions
Model CAD Sizes ((mm) Fastening
Torque
(N.m)
Mass(g)
T M D d L t □B
RNSS-4 M4×0.5 M3×0.5 11 8.5 5 2.7 10 1.6 4
RNSS-5 M5×0.5 M3×0.5 13 9 5 2.7 11 2 5
RNSS-6 M6×0.75 M3×0.5 14.5 10 5 2.7 12 2.5 5
RNSS-8 M8×1 M3×0.5 17 13 6.5 4 14 5 8
RNSS-8 (0.75P) M8×0.75 M3×0.5 17 13 6.5 4 14 5 8
RNSS-10 M10×1 M4×0.7 20 15 8 5.5 16 9.5 10
RNSS-10 (0.75P) M10×0.75 M4×0.7 20 15 8 5.5 16 9.5 10
RNSS-12 M12×1 M4×0.7 22 17 8 5.5 19 14 14
RNSS-15 M15×1 M4×0.7 25 21 8 4.5 22 24 15
RNSS-17 M17×1 M4×0.7 30 25 13 9 24 35 17
RNSS-20 M20×1 M4×0.7 35 26 11 7 30 48 35
RNSS-25 M25×1.5 M5×0.8 43 33 15 10 35 86 45
RNSS-30 M30×1.5 M6×1 48 39 20 14 40 128 80
RNSS-35 M35×1.5 M8×1.25 60 46 21 14 50 192 130
RNSS-40 M40×1.5 M8×1.25 63 51 25 18 50 256 235
Material for RNSS
Model Body Accessories
Material Surface Treatment Set-screw Crush pad
RNSS-□□ Stainless Steel - Stainless Steel Stainless Steel

RNSB Series (GENERAL LOAD)

Dimensions
Model CAD Sizes (mm) Fastening
Torque
(N.m)
Mass(g)
T M D d L t □B
RNSB-4 M4×0.5 M3×0.5 11 8.5 5 2.7 10 1.6 4
RNSB-5 M5×0.5 M3×0.5 13 9 5 2.7 11 2 5
RNSB-6 M6×0.75 M3×0.5 14.5 10 5 2.7 12 2.5 5
RNSB-8 M8×1 M3×0.5 17 13 6.5 4 14 5 8
RNSB-8 (0.75P) M8×0.75 M3×0.5 17 13 6.5 4 14 5 8
RNSB-10 M10×1 M4×0.7 20 15 8 5.5 16 9.5 10
RNSB-10 (0.75P) M10×0.75 M4×0.7 20 15 8 5.5 16 9.5 10
RNSB-12 M12×1 M4×0.7 22 17 8 5.5 19 14 14
RNSB-15 M15×1 M4×0.7 25 21 8 4.5 22 24 15
RNSB-17 M17×1 M4×0.7 30 25 13 9 24 35 17
RNSB-20 M20×1 M4×0.7 35 26 11 7 30 48 35
RNSB-25 M25×1.5 M5×0.8 43 33 15 10 35 86 45
RNSB-30 M30×1.5 M6×1 48 39 20 14 40 128 80
RNSB-35 M35×1.5 M8×1.25 60 46 21 14 50 192 130
RNSB-40 M40×1.5 M8×1.25 63 51 25 18 50 256 235
Material for RNSB
Model Body Accessories
Material Surface Treatment Set-screw Crush pad
RNSB-□□ Stainless Steel - Stainless Steel Brass

ZN Series (GENERAL LOAD)

Dimensions
Model CAD Sizes (mm) Fastening
Torque
(N.m)
Mass (g)
T M D d L t B H
ZN-8 M8X1.0 2-M4X0.7 16 12 8 4 3 2 5 7
ZN-8 (0.75P) M8X0.75 2-M4X0.7 16 12 8 4 3 2 5 7
ZN-10 M10X1.0 2-M4X0.7 18 14 8 4 3 2 9.5 9
ZN-10 (0.75P) M10X0.75 2-M4X0.7 18 14 8 4 3 2 9.5 9
ZN-12 M12X1.0 2-M4X0.7 22 16 8 4 3 3 14 13
ZN-15 M15X1.0 2-M4X0.7 25 19 8 4 3 3 24 17
ZN-17 M17X1.0 2-M5X0.8 28 21 10 5 4 3 35 25
ZN-20 M20X1.0 2-M5X0.8 32 25 10 5 4 3 48 33
ZN-25 M25X1.5 2-M6X1 38 31 12 6 5 3 86 54
ZN-30 M30X1.5 2-M6X1 45 38 12 6 5 3 128 77
ZN-35 M35X1.5 2-M6X1 52 45 12 6 5 3 192 103
ZN-40 M40X1.5 2-M6X1 58 50 14 7 6 3 256 143
Material for ZN
Model Body Accessories
Material Surface Treatment Set-screw Crush pad
ZN-□□ Steel Black Oxide SCM435 Brass

HLRN Series (HIGH LOAD)

HLRN-17
HLRN-20 ~ HLRN-40
Dimensions
Model CAD Sizes (mm) Fastening
Torque
(N.m)
T M d D1 D2 t L X Y P.C.D b h B
HLRN-17 M17x1.0 M6x6 18 30 37 - 18 - - - 5 2.5 30 41
HLRN-20 M20x1.0 M6x6 21 30 38 10 18 4.3 4 29 45
HLRN-25 M25x1.5 M6x6 26 35 42 11 20 4.3 4 32.5 87
HLRN-30 M30x1.5 M6x6 31 40 48 11 20 4.3 5 40.5 105
HLRN-35 M35x1.5 M6x6 36 47 53 11 20 4.3 5 45.5 145
HLRN-40 M40x1.5 M6x6 41 52 58 12 22 4.3 5 50.5 160
Material for HLRN
Model Body Accessories
Material Surface Treatment Set-screw Crush pad
HLRN-□□ Steel Black Oxide SCM435 Brass