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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 670 mm

Locknut

 N/A N 670

Lockplate

 N/A P 670

Threads

Major Diameter

 N/A 670.03 mm26.379 in

Threads No. per Inch

 N/A 4

Shaft

Relief Diameter A

 N/A 660.81 mm26.016 in

Diameter S-3

 N/A 657.2 mm25 7/8 in
L1 N/A 84.12 mm3.312 in
H2 N/A 12.7 mm0.5 in
S3 N/A 50.8 mm2 in

Locknut/Lockplate

C1

 N/A 779.6 mm30.693 in

D

 N/A 79.76 mm3.14 in

G

 N/A 47.12 mm1.855 in
H14 N/A 20.9 mm0.823 in

R

 N/A 546.1 mm21.5 in

F

 N/A 96.80 mm3.813 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)