Montage of Timken Bearing Products
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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.).
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Bearing Bore (mm)

Timken Part Number

Bearing Bore

Max. Major Diameter

Min. Major Diameter

Diameter S-3

Locknut

Lockwasher

N 07-W 07 N/A 35 mm N/A 34.95 mm1.376 in N/A 34.74 mm1.3678 in N/A 31.75 mm1 1/4 in N/A N 07 N/A W 07
N 08-W 08 N/A 40 mm N/A 39.70 mm1.563 in N/A 39.49 mm1.5548 in N/A 36.51 mm1 7/16 in N/A N 08 N/A W 08
N 09-W 09 N/A 45 mm N/A 44.88 mm1.767 in N/A 44.67 mm1.7588 in N/A 42.86 mm1 11/16 in N/A N 09 N/A W 09
N 10-W 10 N/A 50 mm N/A 49.96 mm1.967 in N/A 49.75 mm1.9588 in N/A 47.63 mm1 7/8 in N/A N 10 N/A W 10
N 11-W 11 N/A 55 mm N/A 54.79 mm2.157 in N/A 54.58 mm2.1488 in N/A 52.39 mm2 1/16 in N/A N 11 N/A W 11
N 12-W 12 N/A 60 mm N/A 59.94 mm2.360 in N/A 59.74 mm2.3518 in N/A 57.15 mm2 1/4 in N/A N 12 N/A W 12
N 13-W 13 N/A 65 mm N/A 64.72 mm2.548 in N/A 64.51 mm2.5398 in N/A 61.91 mm2 7/16 in N/A N 13 N/A W 13
N 14-W 14 N/A 70 mm N/A 69.88 mm2.751 in N/A 69.67 mm2.7428 in N/A 66.68 mm2 5/8 in N/A N 14 N/A W 14
AN 15-W 15 N/A 75 mm N/A 74.50 mm2.933 in N/A 74.21 mm2.9218 in N/A 71.44 mm2 13/16 in N/A AN 15 N/A W 15
AN 16-W 16 N/A 80 mm N/A 79.68 mm3.137 in N/A 79.40 mm3.1258 in N/A 76.20 mm3 in N/A AN 16 N/A W 16
AN 17-W 17 N/A 85 mm N/A 84.84 mm3.340 in N/A 84.55 mm3.3288 in N/A 80.96 mm3 3/16 in N/A AN 17 N/A W 17
AN 18-W 18 N/A 90 mm N/A 89.59 mm3.527 in N/A 89.30 mm3.5158 in N/A 85.73 mm3 3/8 in N/A AN 18 N/A W 18
AN 19-W 19 N/A 95 mm N/A 94.74 mm3.730 in N/A 94.46 mm3.7188 in N/A 90.49 mm3 9/16 in N/A AN 19 N/A W 19
AN 20-W 20 N/A 100 mm N/A 99.52 mm3.918 in N/A 99.23 mm3.9068 in N/A 96.84 mm3 13/16 in N/A AN 20 N/A W 20
AN 21-W 21 N/A 105 mm N/A 104.70 mm4.122 in N/A 104.41 mm4.1108 in N/A 100.01 mm3 15/16 in N/A AN 21 N/A W 21
AN 22-W 22 N/A 110 mm N/A 109.86 mm4.325 in N/A 109.57 mm4.3138 in N/A 106.36 mm4 3/16 in N/A AN 22 N/A W 22
AN 24-W 24 N/A 120 mm N/A 119.79 mm4.716 in N/A 119.50 mm4.7048 in N/A 115.89 mm4 9/16 in N/A AN 24 N/A W 24
AN 26-W 26 N/A 130 mm N/A 129.69 mm5.106 in N/A 129.41 mm5.0948 in N/A 125.41 mm4 15/16 in N/A AN 26 N/A W 26
AN 28-W 28 N/A 140 mm N/A 139.62 mm5.497 in N/A 139.34 mm5.4858 in N/A 134.94 mm5 5/16 in N/A AN 28 N/A W 28
AN 30-W 30 N/A 150 mm N/A 149.56 mm5.888 in N/A 149.27 mm5.8768 in N/A 146.05 mm5 3/4 in N/A AN 30 N/A W 30
AN 32-W 32 N/A 160 mm N/A 159.61 mm6.284 in N/A 159.23 mm6.2688 in N/A 153.99 mm6 1/16 in N/A AN 32 N/A W 32
AN 34-W 34 N/A 170 mm N/A 169.14 mm6.659 in N/A 168.75 mm6.6438 in N/A 163.51 mm6 7/16 in N/A AN 34 N/A W 34
AN 36-W 36 N/A 180 mm N/A 179.48 mm7.066 in N/A 179.09 mm7.0508 in N/A 174.63 mm6 7/8 in N/A AN 36 N/A W 36
AN 38-W 38 N/A 190 mm N/A 189.79 mm7.472 in N/A 189.40 mm7.4568 in N/A 184.15 mm7 1/4 in N/A AN 38 N/A W 38
AN 40-W 40 N/A 200 mm N/A 199.31 mm7.847 in N/A 198.93 mm7.8318 in N/A 193.68 mm7 5/8 in N/A AN 40 N/A W 40
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