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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

 190 mm

Locknut

 AN 38

Lockwasher

 W 38

Threads

Major Diameter

 189.79 mm7.472 in

Threads No. per Inch

 8

Shaft

Relief Diameter A

 185.34 mm7.297 in

Diameter S-3

 184.15 mm7.25 in
W1 6.76 mm0.266 in
L2 26.19 mm1.031 in
H3 6 mm0.234 in
S4 19.05 mm0.75 in
M5 9.53 mm0.375 in

Locknut

C1

 240.64 mm9.474 in

D

 28.83 mm1.135 in

Lockwasher

Q

 3.71 mm0.146 in

R

 192.46 mm7.577 in

B

 250.83 mm9.8750 in

s

 18.16 mm0.715 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)