How do I fix a stubborn drill chuck?

Recently I bought a used drill press at an auction. Everything works great except the chuck—it’s stiff and difficult to turn without using the chuck key, especially when cold.

Buy drill chucks online - fast & cheap for you

Kingnova 電動ドリルドライバー 12Vドリルドライバーセット 電動｜Yahoo!フリマ（旧PayPayフリマ）

Kingnova 電動ドリルドライバー 12Vドリルドライバーセット 電動｜Yahoo!フリマ（旧PayPayフリマ）

Rebuilding an Albrecht Drill Chuck –

Dewalt drill Chuck grips at different lengths : r/fixit

How to Remove a Stuck Drill Bit From Almost Anything - A Butterfly House

makita M3702 Trimmer Instruction Manual

How to Change a Drill Chuck: Keyless & Keyed Solutions

How to Change a Drill Chuck: Keyless & Keyed Solutions

makita M3702 Trimmer Instruction Manual

Taming a Bucking Drill Press

Stuck drill chuck