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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 100 mm

Locknut

 N/A AN 20

Lockwasher

 N/A W 20

Threads

Major Diameter

 N/A 99.52 mm3.918 in

Threads No. per Inch

 N/A 12

Shaft

Relief Diameter A

 N/A 96.39 mm3.795 in

Diameter S-3

 N/A 96.84 mm3.8125 in
W1 N/A 4.37 mm0.172 in
L2 N/A 18.26 mm0.719 in
H3 N/A 4 mm0.156 in
S4 N/A 9.53 mm0.375 in
M5 N/A 7.92 mm0.312 in

Locknut

C1

 N/A 131.9 mm5.193 in

D

 N/A 19.3 mm0.76 in

Lockwasher

Q

 N/A 2.13 mm0.084 in

R

 N/A 101.3 mm3.988 in

B

 N/A 139.700 mm5.5000 in

s

 N/A 8.97 mm0.353 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)