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  • The chart below shows dimensions for locknuts and lockplates used in the mounting of straight bore bearings on shafts.
  • Other dimensions and tolerances related to shaft configurations are also shown.
  • Dimensions are presented according to bearing bore size and are applicable to bearings in the various series (e.g., 222,223 etc.).
Unit of Measure

Specifications

Locknut

 N/A N 076

Lockplate

 N/A P 76

Threads

Major Diameter

 N/A 14.957 in

Threads No. per Inch

 N/A 5

Shaft

Relief Diameter A

 N/A 14.664 in

Diameter S-3

 N/A 14 5/8 in
L1 N/A 2.031 in
H2 N/A 0.5 in
S3 N/A 1 1/2 in

Locknut/Lockplate

C1

 N/A 17.755 in

D

 N/A 1.916 in

G

 N/A 1.23 in
H14 N/A 0.604 in

R

 N/A 12 in

F

 N/A 2.406 in
  • 1 Tolerance -0 to + 0.4 mm (-0 to +1/64 in)
  • 2 Tolerance -0 to + 0.4 mm (-0 to +1/64 in)
  • 3 Tolerance -0 to + 0.4 mm (-0 to +1/64 in)
  • 4 Tolerance ±0.25 mm (±0.010 in)