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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 88.9 mm3.5 in

Bearing Number

 N/A 22312K

Taper

 N/A 1:12

Shaft Dimensions

Diameter d

 N/A 55 mm2.165 in
Tolerance1 N/A -0.10 mm-0.004 in

Adapter Dimensions

Major Diameter

 N/A 65.76 mm2.589 in
L2 N/A 40 mm1.575 in

a

 N/A 3.5 mm0.138 in

Accessory Numbers

Removal Nut

 N/A RN 12

Sleeve

 N/A SK 6023

Locknut

 N/A N 11

Lockwasher and Lockplates

 N/A W 11
  • 1 Tolerance range is from +0 to value listed.
  • 2 Tolerance -0 to + 0.4 mm (-0 to +1/64 in)