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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 140 mm

Locknut

N/A AN 28

Lockwasher

N/A W 28

Threads

Major Diameter

N/A 139.62 mm5.497 in

Threads No. per Inch

N/A 12

Shaft

Relief Diameter A

N/A 136.50 mm5.374 in

Diameter S-3

N/A 134.94 mm5.3125 in
W1 N/A 4.37 mm0.172 in
L2 N/A 23.01 mm0.906 in
H3 N/A 4.8 mm0.188 in
S4 N/A 15.88 mm0.625 in
M5 N/A 7.92 mm0.312 in

Locknut

C1

N/A 180.31 mm7.099 in

D

N/A 24.08 mm0.948 in

Lockwasher

Q

N/A 2.92 mm0.115 in

R

N/A 141.78 mm5.582 in

B

N/A 188.93 mm7.438 in

s

N/A 14.99 mm0.59 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)
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