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)
  • General Load
  • High Load
  • Grease-injection Type
  • Other F.A. Components
    (Lock nut / Joint unit / Bearing unit)

Support Unit for Ball Screw (General Load)

Product Overview
  • Installation Guide
  • Bearing Combinations
    and List of Bearings
  • Product Recommendation
    by Ball Screw Outer Diameters
  • Product Structure & How to order
  • Made-To-Order Process
  • Recommended Shape of
    Ball Screw Shaft-end
  • FK,FF-2D (.dwg)
  • FK,FF-3D (.step)

FK Series (Fixed Side)

FK4 ~ FK8
FK10 ~FK30

※ Additional note for [FK-30]
In case of choosing “Install Method B”, size of spacer(collar) needs to be accordingly changed. Please contact Sung-il Customer Service team for more details.

Dimensions
Model CAD Size (mm) Mass
(g)
Body Spacer(collar)
d1 L H F E D A P.C.D □B Install Method A Install Method B X Y Z □T L4 L5
L1 T1 L2 T2
FK4 P5/P0-C7 4 15 6 9 22 18 32 24 25 5.5 3/2 6.5 4/3 3.4 6 4 10 4.5/3.5 4.5/3.5 40
FK5 P5/P0-C7 5 16.5 6 10.5 24 20 34 26 26 5.5/6.5 3.5 7/6 5/3 3.4 6/6.5 4 11 5.5/4.5 5.5/4.5 50
FK6 6 20 7 13 29 22 36 28 28 5.5 3.5 8.5 4.5 3.4 6.5 4 12 7 5 65
FK8 8 23 9 14 33.5 28 43 35 35 7 4 10 5 3.4 6.5 4 14 7.5 5.5 125
FK10 10 27 10 17 29.5 34 52 42 42 7.5 5 8.5 6 4.5 8 4 16 5.5 5.5 200
FK12 12 27 10 17 29.5 36 54 44 44 7.5 5 8.5 6 4.5 8 4 19 5.5 5.5 225
FK15 15 32 15 17 36 40 63 50 52 10 6 12 8 5.5 9.5 6 22 10 10 340
FK17 17 45 22 23 46 50 77 62 61 10 9 13 12 6.6 11 10 24 9 9 770
FK20 20 52 22 30 50 57 85 70 68 8 10 12 14 6.6 11 10 30 11 11 1065
FK25 25 57 27 30 60 63 98 80 79 13 10 20 17 9 15 13 35 15 15 1465
FK30 30 62 30 32 61 75 117 95 93 11 12 21 18 11 17.5 15 40 9 9 2300

※ Only FK-4 and FK-5 have different dimensions according to the bearing grade (P5/P0-C7).

FK25D, FK30D
FK35, FK40
Dimensions
Model CAD Sizes (mm) Mass
(g)
Body Spacer(collar)
d1 L H F E D1 D2 A P.C.D B L1 T1 X Y Z □T L4 L5
FK25D 25 42 15 27 52 80 80 122 100 92 12 10 11 18 11 35 10 10 2500
FK30D 30 45 15 30 59 96 90 138 116 106 14 11 11 18 11 40 11 11 3500
FK35 35 48 16 32 67 112 100 154 132 120 14 12 11 17.5 11 50 12 12 4080
FK40 40 61 18 43 76 126 120 176 150 128 18 16 14 20 13 50 15 15 6750