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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 70 mm

Locknut

N/A N 14

Lockwasher

N/A W 14

Threads

Major Diameter

N/A 69.88 mm2.751 in

Threads No. per Inch

N/A 18

Shaft

Relief Diameter A

N/A 67.87 mm2.672 in

Diameter S-3

N/A 66.68 mm2 5/8 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 6.35 mm0.250 in

Locknut

C1

N/A 92.20 mm3.630 in

D

N/A 14.60 mm

Lockwasher

Q

N/A 1.35 mm0.053 in

R

N/A 70.89 mm2.791 in

B

N/A 97.23 mm3.828 in

s

N/A 7.37 mm0.290 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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