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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)

Support Unit for Ball Screw (General Load)

Product Overview
  • Bearing Combinations and List of Bearings
  • Product Recommendation by Ball Screw Outer Diameters
  • Product Structure & How to order
  • Recommended Shape of Ball Screw Shaft-end

Product Recommendation by Ball Screw Outer Diameters

Fixed Side
Ball Screw
Outer dia. (mm)
Fixed Side
EK BK AK FK CK
Ø6 EK-4 FK-4
Ø8 EK-5/EK-6 BK-6 FK-5/FK-6
Ø10, Ø12 EK-8 BK-8 AK-8 FK-8 CK-8
Ø10, Ø12, Ø15 EK-10 BK-10 AK-10 FK-10 CK-10
Ø14, Ø15, Ø16, Ø18 EK-12 BK-12 AK-12 FK-12 CK-12
Ø20 EK-15 BK-15 AK-15 FK-15 CK-15
Ø25, Ø28 BK-17 FK-17
EK-20 BK-20 AK-20 FK-20
Ø30, Ø32, Ø36 EK-25 BK-25 FK-25
Ø40 BK-30 FK-30
Ø45 BK-35 FK-35
Ø50~Ø55 BK-40 FK-40
Supported Side
Ball Screw
Outer dia. (mm)
Supported Side
EF BF AF FF CF
Ø6
Ø8 EF-6 BF-6 FF-6
Ø10, Ø12 EF-8 BF-8 AF-8 FF-8 CF-8
Ø10, Ø12, Ø15 EF-10 BF-10 AF-10 FF-10 CF-10
Ø14, Ø15, Ø16, Ø18 EF-12 BF-12 AF-12 FF-12 CF-12
Ø20 EF-15 BF-15 AF-15 FF-15 CF-15
Ø25, Ø28 BF-17 FF-17
EF-20 BF-20 AF-20 FF-20
Ø30, Ø32, Ø36 EF-25 BF-25 FF-25
Ø40 BF-30 FF-30
Ø45 BF-35 FF-35
Ø50~Ø55 BF-40 FF-40