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  • The chart below shows dimensions for locknuts and lockwashers 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 and 223 etc.).
Unit of Measure

Specifications

Bearing Bore

 N/A 60 mm

Locknut

 N/A N 12

Lockwasher

 N/A W 12

Threads

Major Diameter

 N/A 59.94 mm2.360 in

Threads No. per Inch

 N/A 18

Shaft

Relief Diameter A

 N/A 57.94 mm2.281 in

Diameter S-3

 N/A 57.15 mm2.25 in
W1 N/A 3.58 mm0.141 in
L2 N/A 12.70 mm0.500 in
H3 N/A 3.2 mm0.125 in
S4 N/A 7.92 mm0.312 in
M5 N/A 3.96 mm0.156 in

Locknut

C1

 N/A 80.29 mm3.161 in

D

 N/A 13.74 mm0.541 in

Lockwasher

Q

 N/A 1.35 mm0.053 in

R

 N/A 60.96 mm2.4 in

B

 N/A 84.94 mm3.344 in

s

 N/A 7.37 mm0.29 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 to + 0.4 mm (-0 to +1/64 in)
  • 5 Tolerance -0 to + 0.4 mm (-0 to +1/64 in)