Cover Page - USD ($) $ in Billions	12 Months Ended
	Jan. 01, 2022	Feb. 25, 2022	Jul. 03, 2021
Cover [Abstract]
Document Type	10-K
Document Period End Date	Jan. 01, 2022
Current Fiscal Year End Date	--01-01
Entity File Number	1-7283
Entity Registrant Name	Regal Rexnord Corp
Entity Incorporation, State or Country Code	WI
Entity Tax Identification Number	39-0875718
Entity Address, Address Line One	200 State Street
Entity Address, City or Town	Beloit
Entity Address, State or Province	WI
Entity Address, Postal Zip Code	53511
City Area Code	608
Local Phone Number	364-8800
Title of 12(b) Security	Common Stock ($0.01 Par Value)
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 5.4
Entity Common Stock, Shares Outstanding		67,542,208
Documents Incorporated by Reference	Certain information contained in the Proxy Statement for the Annual Meeting of Shareholders to be held on April 26, 2022 (the “2022 Proxy Statement”) is incorporated by reference into Part III hereof.
Entity Central Index Key	0000082811
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Document Annual Report	true
Document Transition Report	false
Trading Symbol	RRX