This product is origin HIWIN linear bearing EGH series from Taiwan. HIWIN linear bearing EGH series is widely used on laser cutter engraver machines. According to the linear bearing size, EGH series linear bearings are divided into the following categories: EGH15/EGH20/EGH25/EGH30/EGH35. EGH15 is the smallest size 15mm; while EGH35 is the biggest size 35mm. 

Every piece of origin HIWIN linear bearing has a unique production sequence number, and we can query the production batch, raw material origin, and other information in hiwin system by this unique number. 
Some of the origin HIWIN linear bearing, the information such as production time, batch, ball size and raw materials origin will be recorded on the bearing before they were delivery out from the factory. 

Origin HIWIN linear bearings, plastic color is in pure, bright and well proportioned; all the details are handled very carefully; there is no burr and uneveness.
For more details, please click original hiwin linear bearing and copy one details difference

EGH Series (square type) Models of HIWIN Linear Bearing We Supply:

EGH15CA, EGH20CA, EGH25CA, EGH30CA, EGH35CA, EGH15SA, EGH20SA, EGH25SA, EGH30SA, EGH35SA

Besides EGH series, EGW series (flange type) HIWIN linear bearing models are also available:

EGW15CA, EGW20CA, EGW25CA, EGW30CA, EGW35CA, EGW15SA, EGW20SA, EGW25SA, EGW30SA, EGW35SA, EGW15CB, EGW20CB, EGW25CB, EGW30CB, EGW35CB, EGW15SB, EGW20SB, EGW25SB, EGW30SB, EGW35SB

If you are looking for HGH series, please click hiwin linear bearing hgh series

The difference between square type and flange type linear bearing is that the flange type linear bearing is prior to square type on performance of heavy moment load application because of the lower assembly height and wider mounting surface. So for the heavy load machines, the flange type linear bearing is the first choice.  

HIWIN Linear Bearing EGH Series Features:

The design of the EGH series offers a low profile, high load capacity, and high rigidity. It also features an equal load rating in all four directions and self-aligning capacity to absorb installation-error, allowing for higher accuracies. Additionally, the lower assembly height and the shorter length make the EGH series more suitable for high-speed, automation machines and applications where space is limited.

The retainer is designed to hold the balls in the block even when it is removed from the rail.
Please see the 360 degree product display of original HIWIN linear bearing EGH15CA by the video below. 

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