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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

Bearing Bore

 N/A 260 mm

Locknut

 N/A N 052

Lockplate

 N/A P 52

Threads

Major Diameter

 N/A 258.88 mm10.192 in

Threads No. per Inch

 N/A 6

Shaft

Relief Diameter A

 N/A 252.76 mm9.951 in

Diameter S-3

 N/A 252.41 mm9 15/16 in
L1 N/A 38.89 mm1.531 in
H2 N/A 11.13 mm0.438 in
S3 N/A 30.2 mm1 3/16 in

Locknut/Lockplate

C1

 N/A 309.7 mm12.193 in

D

 N/A 35.97 mm1.416 in

G

 N/A 21.84 mm0.86 in
H14 N/A 9.78 mm0.385 in

R

 N/A 228.6 mm9 in

F

 N/A 44.85 mm1.766 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)