Bearing Lock Nuts

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Lock nuts are used to locate bearings onto a shaft. Additionally, they can be used to mount bearings with a tapered bore onto tapered shaft seats and adapter sleeves, and to dismount bearings from withdrawal sleeves. Lock nuts are also frequently used to secure gears, belt pulleys and other machine components.

Lock nuts have to be secured to prevent unintentional loosening by:

a locking device that engages a keyway in the shaft or key slot in the adapter sleeve,or a locking mechanism integrated in the nut

Lock nuts with integral locking reduce the cost of the shaft as no keyway is required. Installation is quicker and easier because no separate locking device is necessary. However, the loosening torque of these lock nuts requires more attention. For information on loosening torque, refer to the product data sections for the various lock nut series.

Standard Locknut SN02 Bearing Lock Nuts

4.56 INS-SC-200-FF
5/8 Inch Single Lip Contact

NSK N 13 Bearing Lock Nuts

Roller Bearings 0.0
B04144 4547359152234

Standard Locknut SN14 Bearing Lock Nuts

0.0 B04144
KOYO Bearings

Standard Locknut KM32 Bearing Lock Nuts

31171511 069501
Pillow Block 3.25 Inch | 82.55 Mi

NSK N 09 Bearing Lock Nuts

M06110 Bearings
NTN 1.2

Standard Locknut N022 Bearing Lock Nuts

NTN 0.0
0.13 B04144

Standard Locknut SN06 Bearing Lock Nuts

5.6 in 12300 lb
5181 lb 1.30

Standard Locknut N-28 Bearing Lock Nuts

N/A 0.0

Standard Locknut SN09 Bearing Lock Nuts

11.8 738607
N/A 2.188 Inch | 55.575

Standard Locknut KM26 Bearing Lock Nuts

Ball Bearings TIMKEN

Standard Locknut KM24 Bearing Lock Nuts

Steel No
ABEC 1 | ISO P0 No

Standard Locknut NL13 Bearing Lock Nuts

2.953 Inch | 75 Mill Metric
Steel Ball Bearing