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  • The table below shows dimensions for adapter assemblies and components used in the mounting of tapered bore bearings on shafts.
  • SNW assembly consists of a sleeve, locknut and lockwasher.
  • SNP assembly consists of a sleeve, locknut and lockplate.
Unit of Measure

Specifications

Series

 N/A 231K

Diameter d

 N/A 18 7/16 in

Bearing Number

 N/A 231/500K

Taper

 N/A 1:12

Shaft Dimensions

Tolerance1 N/A -0.007 in

Adapter Dimensions

B2

 N/A 13.657 in

S

 N/A 2.859 in

D1

 N/A 22.818 in

Accessory Numbers

Sleeve

 N/A S-31/500

Locknut

 N/A N 500

Lockwasher and Lockplates

 N/A P 500
  • 1 Tolerance range is from +0 to value listed.