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Unit of Measure

Specifications

Shaft Size

 N/A 2 3/4 in

Shaft Size Type

 N/A Imperial

Housing Type

 N/A Cartridge

Dimensions

Dimension B 

 N/A 4-1/2 in114.3 mm

Dimension A 

 N/A 3 in76.2 mm

Dimension d1 

 N/A 4 19/32 in116.7 mm

Dimension C

 N/A 31/32 in24.6 mm

Dimension E

 N/A 5 5/32 in131 mm

Dimension K

 N/A 5.4325 in137.99 mm

Dimension M

 N/A 3 1/8 in79.4 mm

Dimension H 

 N/A 21/32 in16.7 mm

Radial and Thrust Factors; Speed and Slip-Fit Load Limits

e

 N/A 0.46

X (if Fa/Fr ≤ e)

 N/A 0.87

Y (if Fa/Fr ≤ e)

 N/A 1.87

X (if Fa/Fr > e)

 N/A 0.7

Y (if Fa/Fr > e)

 N/A 2.26

K Factor

 N/A 1.30
C90 Dynamic Load Rating1 N/A 12300 lbf

C0 Static Load Rating

 N/A 61200 lbf
Fa-max Maximum Permissible Thrust Load2 N/A 5181 lbf
Fr-max Maximum Allowable Slip Fit Radial Load3 N/A 10000 lbf
Max. Speed4 N/A 2060 rpm
  • 1 C90 is the Dynamic Load Rating based on a rated Life of 90 million revolutions (3000 hrs at 500 RPM).
  • 2 Fa-max is based on the limits of the holding force of two properly tightened collars and set screws. Fifty percent of the values should be used when a single collar is installed.
  • 3 If the application loads approach or exceed Fr-max, the shaft fit should be adjusted to a line-to-line (g6 or h6) or light press fit (m6).
  • 4 Timken Double Lip Seal
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