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Floated Side EF Series Ball Screw Bracket

Home · Products · Ball Screw Brackets · Floated Side EF Series Ball Screw Bracket
  • Floated Side EF Series Ball Screw Bracket
Floated Side EF Series Ball Screw Bracket

Floated Side EF Series Ball Screw Bracket

The Floated Side EF Series Ball Screw Bracket is an economical and compact floating end support. It inherits the standard function of a floating end – supporting radial loads and allowing for axial thermal expansion of the ball screw – but its design focuses on matching the size and cost of the EK fixed end. It provides a complete solution for applications with limited space and budget without sacrificing reliability.

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Technology

The Floated Side EF Series Ball Screw Bracket is the "compact and practical" option in the floating end product line, sharing the same design philosophy as the EK series, serving the market sensitive to space and cost.

Characteristics EF Series Support End (Floating End) Bearing Housing Standard BF Series Support End Bearing Matching fixed end (EK series)
Core positioning A compact, cost-effective floating end designed with a focus on core functionality and dimensional optimisation. A versatile and reliable floating end with a wide range of applications. Compact, economical fixed end.
Dimensions Extremely compact, with overall dimensions and flange sizes typically among the smallest in its class. Standard dimensions to suit universal installation. Compact design, compatible with EF dimensions.
Internal bearings Utilises standard deep-groove ball bearings, fully meeting requirements for radial support and axial float. Fitted with standard deep-groove ball bearings. Features single-row or lightly preloaded angular contact bearings.
Cost-effectiveness Exceptionally high. Achieves optimal cost control whilst ensuring full float functionality. Economical and offering excellent value for money. Extremely high.
Ease of installation High. Simple structure and light weight facilitate installation in lightweight structures. High performance. High.
System compatibility Specifically designed to pair with compact fixed ends such as the EK series, ensuring coordinated dimensions and balanced costs across both ends of the sys Designed to be paired with standard fixed ends such as the BK series. Pairs with the EF compact floating end.

Main Technical Parameters and Design
1. Extremely Compact Design:
The housing design is extremely streamlined, removing unnecessary structures to ensure functionality within the smallest possible envelope.
The flange mounting hole layout is compact, allowing for installation on very narrow equipment side walls or support plates.

2. Core Functionality Guarantee:
It uses a standard deep groove ball bearing internally, whose axial clearance naturally allows the ball screw shaft to expand and contract freely, perfectly achieving thermal compensation.
The bearing and shaft use a clearance fit, making installation simple and avoiding additional axial constraint forces.

3. Standardization and Compatibility:
Equipped with basic dust seals to meet general environmental protection requirements.
Its inner bore size series is completely compatible with the EK series, and the mounting flange hole spacing and shape are often designed to be consistent with or highly coordinated with the same specifications of the EK series, making equipment base processing simpler and the appearance more uniform.

Applications
The compact support pair composed of the EF and EK series is the ideal combination for the following applications:
Desktop precision equipment: X/Y/Z axes of desktop CNC machines, small laser engraving machines, and high-precision 3D printers.
Teaching and experimental devices: Automation teaching platforms, motion modules for physics experimental instruments.
Light industrial automation: Small assembly line modules, electronic component testing machines, and transmission support for light packaging machinery.
Any OEM project requiring a complete support system but limited by installation space or overall machine cost control.

The Floated Side EF Series Ball Screw Bracket perfectly embodies the design philosophy of "simplicity without compromise." Through meticulous engineering optimization, it condenses the functionality of the floating end into the smallest and most economical physical form. Choosing the EF series means you won't have to pay extra for unnecessary performance and space. Together with the EK fixed end, it provides a reliable, compact, and accessible high-precision transmission foundation for a vast number of small and medium-sized automation equipment, significantly lowering the barrier to entry for precision linear motion technology.

Parameters

Model No. Shaft Diameter d1 L B H b
±0.02		 h
±0.02		 B1 H1 P X Y Z Bearing Using C-type Cramp Ring Weight
（kg）
EF06 6  12  42  25  21  13  18  20  30  5.5  9.5  11  606ZZ S06 0.10 
EF08 6  14  52  32  26  17  25  26  38  6.6  11  12  606ZZ S06 0.12 
EF10 8  20  70  43  35  25  36  24  52  9  - - 608ZZ S08 0.28 
EF12 10  20  70  43  35  25  36  24  52  9  - - 6000ZZ S10 0.28 
EF15 15  20  80  49  40  30  41  25  60  9  - - 6002ZZ S15 0.34 
EF20 20  26  95  58  47.5  30  56  25  72  11  - - 6204ZZ S20 0.57 
EF25 25  30  105  68  52.5  35  66  25  85  11  - - 6205ZZ S25 0.95 

Drawings

Model No. Part Name Qty
1  Housing 1 
2  Bearing 1set
3  Snap ring 1 

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