SAPF206-20 1-1/4" ID Pressed Steel Housing 3-Bolt Bearing Unit - Eccentric Collar LockSAPF206 20 Bearing 1 1 4" Round 3 Bolt Flange Unit with Eccentric Collar Lock This SAPF206 20 is a stamped steel round flange bearing unit with a three bolt design and set screw locking. It's built to hold a 1 1 4 inch (1. 25") shaft securely in place and is often used in machinery where lightweight, compact mounting is needed. Inner diameter: 1 1 4" (1. 25") Flange type: Round, 3 bolt stamped steel Lock type: Eccentric Collar Lock Bolt size: 3 8"