Linear Bearing Rail Block for Roland RA-640 RE-640 XJ-540 XJ-640 XF-640 VS-640

Product Description

Printer Compatibility:  

Roland SJ-540 / SJ-740 / FJ-540 / FJ-740 / SJ-745 EX / LEJ-640 / XJ-740 / XF-640 / VS-640 / RA-640 / RE-640 / RS-640

Roland SJ-640/SJ-645EX/XJ-640/XJ-540

Product Size: 60mm x 35mm x 20mm

Net Weight: 160g

Packing Size: 100mm x 100mm x 50mm

Manufacturer: Roland

Original Part No.: 21895154

Average Lifespan: 3 years (If the rail is not severe wear and in a good environment, the lifespan can reach 5 years).


Mimaki JV3/JV4 L-bearing application

Bearing replacement should be operated after the machine is power off.The machine in below pictures is without printhead. Please keep the print head in good protection when changing the bearing.
1. Please push the carriage gently to the printer left.


2. Take off the carriage from the machine.

3. Take out the metal plate connected to the bearing on the guide rail. 

4. Take out the two bearing from the guide rail one after another. 

5. After dismantled, get the acceaaories well standby, and then install the first bearing.

6. Install the second bearing.

7. Install the metal plate back.

8. Please fasten the bearing after the metal plate.

9. Assemble the carriage back.

  • 1.We will ship your item by FedEx, DHL, UPS, EMS, e-Package etc with the tracking number showed on ebay. 

    2.Your item will be shipped within 1-3 working days after clear payment . 

    3.The shipping time varies. If by FedEX, DHL,or UPS, 3-4 business days to USA,5-7 business days to other most countries. If by e-packet,7-15 days to USA,and 2-4 weeks to other most countries. 

    4.Due to the local dispatch or other reasons, sometimes the shipping time will be delay. Please kindly understand Uncertainties by the delivery company.  

    5. If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you in 24 hours.  Our goal is best customer satisfaction!   

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