The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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  • The chart below shows dimensions for locknuts and lockplates 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., 222,223 etc.).
Unit of Measure

Specifications

Bearing Bore

 N/A 340 mm

Locknut

 N/A N 068

Lockplate

 N/A P 68

Threads

Major Diameter

 N/A 338.81 mm13.339 in

Threads No. per Inch

 N/A 5

Shaft

Relief Diameter A

 N/A 331.37 mm13.046 in

Diameter S-3

 N/A 331.79 mm13 1/16 in
L1 N/A 48.41 mm1.906 in
H2 N/A 11.13 mm0.438 in
S3 N/A 38.1 mm1 1/2 in

Locknut/Lockplate

C1

 N/A 400.18 mm15.755 in

D

 N/A 45.49 mm1.791 in

G

 N/A 24.89 mm0.98 in
H14 N/A 12.95 mm0.51 in

R

 N/A 279.4 mm11 in

F

 N/A 55.56 mm2.188 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 ±0.25 mm (±0.010 in)