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12mm Size Heavy Duty Linear Guide Rail MGN12H CNC Linear Guide BLOCK

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NanJing TranzBrillix Linear Motion Co., Ltd.

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12mm Size Heavy Duty Linear Guide Rail MGN12H CNC Linear Guide BLOCK

Brand Name : OEM

Model Number : MGN12H

Certification : DE1924083895474

Place of Origin : CHINA

MOQ : 10

Price : 1-100 USD

Payment Terms : T/T,L/C,D/A,D/P,Western Union

Supply Ability : 100000 pcs / per month

Delivery Time : 1-7 work days

Packaging Details : Small or with carton box, Bulk order with Wooden box

Series : MGN

Model Size(mm) : 12 mm

No. of Blocks per Rail : 1

Rail Mounting Type : R- Mounting From Top

Rail Length(mm) : Max 1000mm

Preload Class : Z0- Very Light Preload , ZF- Light Clearancer

Material : Std- Carbon Steel , M- Stainless Steel

Dust Protection : SS-standard

Y -Symmetrical (E1＝E2) First hole dimension : Y= Symmetrical （E1=E2)

Installation : Easy

Application : CNC Machines, 3D printer

Smoothness : Smooth

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①12mm Miniature Linear Guideway MGN12H CNC Linear Guide BLOCK

The 9mm Miniature Linear Guideway MGN9C Linear Guide Rail System is a compact precision motion solution designed for applications requiring ultra-small dimensions without compromising performance. With its 9mm height profile, this system excels in space-constrained environments like medical devices, semiconductor equipment, and miniature automation systems. It features a robust structure combining a hardened steel rail and a low-profile carriage with precision-ground raceways, ensuring high rigidity and load capacity (both radial and lateral) despite its miniature size. The optimized ball recirculation design minimizes friction while maintaining smooth linear motion accuracy within micron-level tolerances. Its corrosion-resistant surface treatment and pre-lubricated components enable maintenance-free operation, particularly suitable for cleanroom or high-humidity conditions. The MGN9C series supports high-speed movement with minimal vibration, making it ideal for optical alignment systems, micro-robotics, and miniature CNC applications where 9mm-scale mechanical integration is critical. The standardized mounting dimensions simplify installation in compact machinery layouts.

②MGN12H drawing

12mm Size Heavy Duty Linear Guide Rail MGN12H CNC Linear Guide BLOCK

③Model Number of MG Series

Note:1.The bottom seal is available for MGN & MGW 9, 12,14.15.
2. MG5 is only supplied with outer recirculation module.

④Construction of MGN Series

1.Rolling circulation system: Block, rail, end cap and retainer

2.Lubrication system: Grease nipple is available for MGN15, lubricated by grease gun.

3.Dust protection system: End seal, bottom seal (optional size 9,12,15), cap (size12,15)

⑤Features
1. Tiny and light weight, suitable for miniature equipment.
 2. Gothic arch contact design can sustain loads from all directions and offer highrigidity and
 high accuracy
 3. Steel balls are held by a miniature retainer to avoid balls from falling out, evenwhen the
 blocks are removed from the rail.
 4.Interchangeable types are available in certain precision grades.
 Block: we offers two types of linear guideways, flange and square types
 Rail: we offers standard top mounting type

model No.	block length(mm)	preload classes	bolt size	weight(kg)
MGN7C	22.5	Z0/ZF/Z1	M20.4P6L	0.010
MGN7H	30.8	Z0/ZF/Z1	M20.4P6L	0.015
MGN9C	28.9	Z0/ZF/Z1	M30.5P8L	0.016
MGN9H	39.9	Z0/ZF/Z1	M30.5P8L	0.026
MGN12C	34.7	Z0/ZF/Z1	M30.5P8L	0.034
MGN12H	45.4	Z0/ZF/Z1	M30.5P8L	0.054
MGN15C	42.1	Z0/ZF/Z1	M30.5P10L	0.059
MGN15H	58.8	Z0/ZF/Z1	M30.5P10L	0.092

⑥Actual product photo

⑦Measurement drawing

⑧We also can provide the OEM service on the block color

12mm Size Heavy Duty Linear Guide Rail MGN12H CNC Linear Guide BLOCK

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12mm Size Heavy Duty Linear Guide Rail MGN12H CNC Linear Guide BLOCK

12mm Size Heavy Duty Linear Guide Rail MGN12H CNC Linear Guide BLOCK

MGN12H cnc linear rail

12mm Size cnc linear rail

MGN12H Heavy Duty Linear Guide Rail

12mm Size Heavy Duty Linear Guide Rail MGN12H CNC Linear Guide BLOCK Images