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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 130 mm

Locknut

 N/A AN 26

Lockwasher

 N/A W 26

Threads

Major Diameter

 N/A 129.69 mm5.106 in

Threads No. per Inch

 N/A 12

Shaft

Relief Diameter A

 N/A 126.57 mm4.983 in

Diameter S-3

 N/A 125.41 mm4.9375 in
W1 N/A 4.37 mm0.172 in
L2 N/A 21.44 mm0.844 in
H3 N/A 4.8 mm0.188 in
S4 N/A 12.70 mm0.5 in
M5 N/A 7.92 mm0.312 in

Locknut

C1

 N/A 171.58 mm6.755 in

D

 N/A 22.48 mm0.885 in

Lockwasher

Q

 N/A 2.92 mm0.115 in

R

 N/A 131.85 mm5.191 in

B

 N/A 178.59 mm7.031 in

s

 N/A 11.05 mm0.435 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)