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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 65 mm

Locknut

 N/A N 13

Lockwasher

 N/A W 13

Threads

Major Diameter

 N/A 64.72 mm2.548 in

Threads No. per Inch

 N/A 18

Shaft

Relief Diameter A

 N/A 62.71 mm2.469 in

Diameter S-3

 N/A 61.91 mm2.4375 in
W1 N/A 3.58 mm0.141 in
L2 N/A 13.49 mm0.531 in
H3 N/A 3.2 mm0.125 in
S4 N/A 7.92 mm0.312 in
M5 N/A 3.96 mm0.156 in

Locknut

C1

 N/A 85.85 mm3.38 in

D

 N/A 14.55 mm0.573 in

Lockwasher

Q

 N/A 1.35 mm0.053 in

R

 N/A 65.74 mm2.588 in

B

 N/A 90.88 mm3.578 in

s

 N/A 7.37 mm0.29 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)