Here are some of my favorite digital era (or nearly so) recordings of Bach's keyboard music played on a piano, most of which you can listen to for free on You Tube:
Virginia Black--6 Partitas:
)
Andrea Bacchetti--6 French Suites--Sony:
Dubravka Tomsic:
https://www.amazon.com/Bach-Italian...d=1547504510&sr=1-1&keywords=tomsic+bach+pilz
Alfred Brendel:
https://www.amazon.com/Bach-Italian...8&qid=1547504577&sr=1-1&keywords=brendel+bach
Amandine Savary--Toccatas:
Glenn Gould--I generally like Gould's last Bach recordings best--the Toccatas:
, and Preludes, Fugues, Fughettas, and 1981 Goldberg Variations, and so did he:
.
David Fray--Partitas 2 & 6, & Keyboard Concertos:
https://www.amazon.com/Bach-Keyboar...UTF8&qid=1547504600&sr=1-2&keywords=fray+bach
https://www.amazon.com/Bach-concert...UTF8&qid=1547504600&sr=1-1&keywords=fray+bach
Evelyn Crochet--Well-Tempered Clavier Books 1 & 2:
Ivo Pogorelich--English Suites 2 & 3:
Maria Joao Pires:
https://www.amazon.com/Maria-João-P...7522392&sr=1-4&keywords=maria+joao+pires+bach
Ivo Janssen (if you find that you like Janssen's Bach, he has recorded a complete box set on the VOID label):
Goldberg Variations:
The Art of the Fugue:
Edward Aldwell:
6 French Suites: (1-3)
, (4-6)
Well tempered Clavier Books 1 & 2:
French Overture & selections from the Art of the Fugue:
Goldberg Variations:
Vladimir Feltsman--Two & Three Part Inventions & 6 Partitas:
Angela Hewitt--Art of the Fugue & Toccatas:
Murray Perahia--Goldberg Variations, etc.:
Tatiana Nikolayeva:
Two & Three Part Inventions:
Goldberg Variations:https:
Well-Tempered Clavier, Books 1 & 2:
If sound quality isn't a big deal, I'd suggest that you also sample the Bach playing of some of the older, historic pianists too, such as Samuel Feinberg:
, Roslyn Tureck, Mieczyslaw Horszowski, & Sviatoslav Richter (though Richter also recorded into the digital era):
To sample Bach's keyboard music played on a harpsichord, I'd recommend that you look into the recordings by Bob Van Asperen (Well Tempered Clavier Books 1 & 2:
, 6 French Suites:
, 6 English Suites, etc.), Gustav Leonhardt (6 French Suites, Art of the Fugue, Brandenburg Concerto No. 5:
), Pascal Dubreuil (6 Partitas:
, English Suites, etc.), Leon Berben (WTC, Fantasias), Pierre Hantai (Goldberg Variations:
, Keyboard Concertos, etc.), Pieter-Jan Belder (6 Partitas), Christian Rieger (Art of the Fugue), Fabio Bonizzoni (Goldberg Variations, Art of the Fugue, Keyboard Concertos Vol. 1), Christophe Rousset (6 English Suites:
, & 6 French Suites), Ton Koopman (Keyboard Concertos, etc.), Ottavio Dantone (WTC Book 2), Trevor Pinnock (6 Partitas), Matteo Messori (Art of the Fugue), Blandine Rannou (6 French Suites, Goldberg Variations), and Davitt Moroney, Karen Flint, Arthur Haas & other harpischordists in a complete set of Bach's Keyboard Concertos played on antique instruments:
Of course, the copious amount of suggestions above are meant to be explored over time, at you leisure.