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 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 55 mm

Locknut

 N/A N 11

Lockwasher

 N/A W 11

Threads

Major Diameter

 N/A 54.79 mm2.157 in

Threads No. per Inch

 N/A 18

Shaft

Relief Diameter A

 N/A 52.78 mm2.078 in

Diameter S-3

 N/A 52.39 mm2.0625 in
W1 N/A 3.58 mm0.141 in
L2 N/A 11.89 mm0.468 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 75.54 mm2.974 in

D

 N/A 12.95 mm0.51 in

Lockwasher

Q

 N/A 1.35 mm0.053 in

R

 N/A 55.42 mm2.182 in

B

 N/A 78.97 mm3.109 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)