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Mounting Styles

NEMA 56C Face or Flange

Modular Bearingless

(Solid Shaft Coupled) Requires NEMA 56C 4.5" flange adapter (flowerpot) with coupling. Can often be replaced by modular or hollow shaft encoders.

NEMA 56 C Face/Flange Adapter mounted with M485 encoder.

Also known as NEMA 56C/NEMA FC Face Mounted. Requires motor stub shaft and one of the following: 115mm, 4.5", 6.75", 8.5", 12.5" C/FC Face. Avtron's Admotec KA and KX modular encoders do not require a C-Face to mount.

M56 modular encoder on motor.
Hollow Shaft vs. Modular

Available models: AV485, M3-1, M4-1, M485, M925 Available models: AV125, AV850, KA, KX, M56, M67, M85, M115, M193B, RO

Foot Mounted

Hollow Shaft/Tethered

The foot mounting method is usually used when encoders are coupled directly to rolls, gear boxes, or motors without C-Faces. Can often be replaced by hollow shaft encoders.

M3 hollow shaft encoder foot mounted to motor.

A stub shaft is required. Shaft requirements depend on the encoder selected. An Anti-Rotation Arm is required. Torque Arm styles are used for larger motors.

M3 hollow shaft encoder mounted to motor.
Hollow Shaft vs. Modular

Available models: AV20, AV25, AV485, M3-2, M4-2, M485, M925 Available models: AV685, HS25A, HS35A, HS35M, M3-(3-9, A-J), M4-(3-9, A-J), M6-(4-7), M7, M685

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