NTN
N11 BEARING LOCKNUT ; M55 X 2-31/32IN OD STL LOCK TYPE
18 Threads per Inch; 2-31/32" Outside Diameter; 0.51" Nominal Thickness; 2.157-18 Thread Size; 2.121" Thread Pitch Diameter Min; 2.126" Thread Pitch Diameter Max; W-11 Lockwasher Part Number; UNS Thread
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