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The chart below shows dimensions for adapter assemblies and components used in the tapered bore bearings on shafts.
Components are ordered seperately.
Unit of Measure

Key Dimensions

Series

 N/A 223K

Removal Nut O.D. C

 N/A 131.9 mm5.193 in

Bearing Number

 N/A 22318K

Taper

 N/A 1:12

Shaft Dimensions

Diameter d

 N/A 80 mm3.15 in
Tolerance1 N/A -0.10 mm-0.004 in

Adapter Dimensions

Major Diameter

 N/A 98.12 mm3.863 in
L2 N/A 80 mm3.150 in

a

 N/A 3.5 mm0.138 in

Accessory Numbers

Removal Nut

 N/A AN 20

Sleeve

 N/A SK 9023

Locknut

 N/A AN 16

Lockwasher and Lockplates

 N/A W 16
  • 1 Tolerance range is from +0 to value listed.
  • 2 Tolerance -0 to + 0.4 mm (-0 to +1/64 in)