Part # 4-158

21-3/4″ OD Fan

Series 4 Recessed Hub Fans have been machined by other manufacturers to allow the hub on the back to function as a bearing cover, or used a set screw near the back to mount the fan on a short shaft.

  • -0.75” hub recess
  • 11 blades
  • 5.75” max bore allowed

$2,386.00

Quantity

Overview

Cast in Aluminum, this Series 4 21-3/4″ Recessed Hub Fan were first made to resemble General Electric plastic fans with a back clamping, split hub. It can be machined to your exact specifications by Jenkins or be provided as-is for in-house machining. Please provide exact machining specifications or call Jenkins at 800-438-3003 for machining questions.

Specs

Series 4 fans were first made to resemble General Electric plastic fans with a back clamping, split hub. Other manufacturers have machined the hub on the back to function as a bearing cover, or used a set screw near the back to mount the fan on a short shaft.

Blade Height (A) - in.
5.375
Hub Diameter (B) - in.
6.375
Hub Thickness (C) - in.
3
Overall Diameter (D) - in.
21.75
Hub Recess (E) - in.
-0.75
Plate Diameter (H) - in.
21
Max Bore Allowed - in.
5.75
Number of Blades
11
Material
Aluminum
Typical Frame
500
Weight - lbs
34

Documentation

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