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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

 220 mm

Locknut

 N 44

Lockwasher

 W 44

Threads

Major Diameter

 219.15 mm8.628 in

Threads No. per Inch

 8

Shaft

Relief Diameter A

 214.71 mm8.453 in

Diameter S-3

 211.14 mm8.3125 in
W1 6.76 mm0.266 in
L2 28.58 mm1.125 in
H3 9.5 mm0.375 in
S4 26.97 mm1.062 in
M5 4.78 mm0.188 in

Locknut

C1

 279.53 mm11.005 in

D

 32 mm1.26 in

Lockwasher

Q

 3.71 mm0.146 in

R

 221.01 mm8.701 in

B

 290.53 mm11.438 in

s

 23.88 mm0.94 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)