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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

Locknut

N/A AN 30

Lockwasher

N/A W 30

Threads

Major Diameter

N/A 5.888 in

Threads No. per Inch

N/A 12

Shaft

Relief Diameter A

N/A 5.765 in

Diameter S-3

N/A 5.75 in
W1 N/A 0.172 in
L2 N/A 0.969 in
H3 N/A 0.219 in
S4 N/A 0.625 in
M5 N/A 0.375 in

Locknut

C1

N/A 7.693 in

D

N/A 0.979 in

Lockwasher

Q

N/A 0.146 in

R

N/A 5.983 in

B

N/A 8.063 in

s

N/A 0.59 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)