The FANUC A06B-0063-B203 is an AC servo motor, model BiS 4/4000, with a straight keyed shaft and B128iA incremental encoder. BiS-series motors serve feed-axis and general motion-control duties on FANUC CNC machine tools and automation equipment, providing accurate, repeatable positioning with secure shaft-to-load coupling through the keyed connection.
Technical Specifications
Manufacturer
FANUC
Part Number
A06B-0063-B203
Model
BiS 4/4000
Type
AC servo motor
Shaft
Straight, keyed
Encoder
B128iA incremental
Maximum Speed
4000 RPM
Eligible for next day delivery
Same-day shipping on in-stock IAC items ordered by 4:00 PM Eastern, Monday to Friday.
Quotes typically within one business day
Submit an RFQ and receive a quick, reliable quote from our team to keep your operations moving.
Extend your warranty coverage at checkout2 yrs included free
Pricing for this item — you’ll pick a term on the checkout page.
Extended plans are available at checkout on items $200 and up.
+1 yr → 3 total$214/yr$214.34 · thru 2029
+3 yrs → 5 total$191/yr$571.59 · thru 2031
+5 yrs → 7 total$143/yr$714.49 · thru 2033
BEST VALUE+8 yrs → 10 total$107/yr$857.38 · thru 2036
Full defect protection · free RMA evaluation & repair · same‑day replacement when in stock
Description
The FANUC A06B-0063-B203 is an AC servo motor, model BiS 4/4000, with a straight keyed shaft and B128iA incremental encoder. BiS-series motors serve feed-axis and general motion-control duties on FANUC CNC machine tools and automation equipment, providing accurate, repeatable positioning with secure shaft-to-load coupling through the keyed connection.
Decoded from FANUC documentation (B-65302EN/02). Questions? Call 877-727-8757 or email sales@iac.us.com.
Documentation
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Send in your item for a free evaluation and repair quote. Use our RMA form or email a repair request to service@iac.us.com , and we will contact you to assess your situation and offer shipping information.
Technical Support
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Industrial Automation Co. is a premier supplier of replacement and aftermarket industrial components. In addition to the A06B-0063-B203, we offer hundreds of FANUC parts available now in our warehouse. Most of our automation components ship on the same day and are covered by our two-year service warranty. Contact us to order your FANUC replacement parts today.