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 80 mm

Locknut

 N/A AN 16

Lockwasher

 N/A W 16

Threads

Major Diameter

 N/A 79.68 mm3.137 in

Threads No. per Inch

 N/A 12

Shaft

Relief Diameter A

 N/A 76.56 mm3.014 in

Diameter S-3

 N/A 76.2 mm3 in
W1 N/A 4.37 mm0.172 in
L2 N/A 13.49 mm0.531 in
H3 N/A 3.2 mm0.125 in
S4 N/A 9.53 mm0.375 in
M5 N/A 6.35 mm0.25 in

Locknut

C1

 N/A 105.69 mm4.161 in

D

 N/A 15.34 mm0.604 in

Lockwasher

Q

 N/A 1.57 mm0.062 in

R

 N/A 80.7 mm3.177 in

B

 N/A 111.13 mm4.3750 in

s

 N/A 8.97 mm0.353 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)