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Unit of Measure

Specifications

Shaft Size

 N/A 2 1/4 in

Shaft Size Type

 N/A Imperial

Housing Type

 N/A Cartridge

Dimensions

Dimension B 

 N/A 3-5/16 in
Dimension S1 N/A 50.8 in

Dimension R

 N/A 1 5/16 in

Dimension A 

 N/A 2-7/8 in

Dimension d1 

 N/A 3 15/16 in

Dimension C

 N/A 27/32 in

Dimension E

 N/A 4 9/16 in

Dimension K

 N/A 4.781 in

Dimension M

 N/A 2 7/8 in

Dimension H 

 N/A 21/32 in

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

e

 N/A 0.40

X (if Fa/Fr ≤ e)

 N/A 0.87

Y (if Fa/Fr ≤ e)

 N/A 2.17

X (if Fa/Fr > e)

 N/A 0.7

Y (if Fa/Fr > e)

 N/A 2.63

K Factor

 N/A 1.51
C90 Dynamic Load Rating2 N/A 11600 lbf

C0 Static Load Rating

 N/A 54000 lbf
Fa-max Maximum Permissible Thrust Load3 N/A 3454 lbf
Fr-max Maximum Allowable Slip Fit Radial Load4 N/A 9500 lbf
Max. Speed5 N/A 2420 rpm
  • 1 Permissible axial displacement from normal position of one bearing ring in relation to the other.
  • 2 C90 is the Dynamic Load Rating based on a rated Life of 90 million revolutions (3000 hrs at 500 RPM).
  • 3 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.
  • 4 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).
  • 5 Timken Double Lip Seal