What do motor frame numbers mean?

The frame number relates to the “D” dimension (distance from center of shaft to center bottom of mount). For example, in the two-digit 56 frame, the “D” dimension is 3½”, 56 divided by 16 = 3½”.

What does 56H frame mean?

H — Used on some 56 frame motors, “H” indicates that the base is suitable for mounting in either 56, 143T, or 145T mounting dimensions.

How do you determine engine frame size?

The two-digit frame number relates to the shaft height in sixteenths of an inch. You can figure that a 48-frame motor will have a shaft height of 48 divided by 16, or 3 in. Similarly, a 56-frame motor has a shaft height of 3.5 in.

What is C face?

C-Face (Contour-Face) is an ear-mounted wearable sensing technology that uses two miniature cameras to continuously reconstruct facial expressions by deep learning contours of the face. When facial muscles move, the contours of the face change from the point of view of the ear-mounted cameras.

What is a JM motor frame?

For pump-specific motors, NEMA developed the standard around two different shaft lengths: JM (short) and JP (long). The shorter JM requires the use of a mechanical seal, while the longer JP shaft extension allows for the use of packing. JM (Short) Shaft Extension.

How do you read motor frame size?

How is engine frame size calculated?

Just divide the first two digits by four. Thus, a 405 frame (original, U frame, or T frame) has a shaft height of 40 divided by 4, or 10 in. Although no direct inch measurement relates to it, the third digit of three-digit frame sizes is an indication of the motor body’s length.

What does 48Y frame mean?

The Flex-frame motors are usually labeled as 48Y, but will have the distinct pedestal at its base. The Flex is unique because it uses four thin partially threaded screws (known as thru bolts) that are slid the length of the motor through the back end and screwed into the seal plate.

What is the difference between a 215t and 254T motor?

XO denotes clearance for the capacitors of single phase motors through the 215T frame. On three phase 254T frame and large motors, T denotes clearance for the lifting eyebolt. The overall length (“C” dimension) will change with the enclosure, horsepower, and speed for the same brand.

What is the shaft size on a 254T?

current 254T frame (15 HP at 1800 RPM) has a 1-5/8″ shaft. Bearing diameters were also increased to accommodate the larger shaft sizes and heavier loads associated with the higher horsepowers.

What does “C” mean on a 254T frame?

On three phase 254T frame and large motors, T denotes clearance for the lifting eyebolt. The overall length (“C” dimension) will change with the enclosure, horsepower, and speed for the same brand.