Support Unit For Ball screw

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

Other F.A. Components

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