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.

Bearing Number Bore Dia Outer DIa Width Size
SKF KMTA 30 Bearing Lock Nuts 0.0 0 M06110 8865590605699
SKF KMT 32 Bearing Lock Nuts Yes Non-expansion 31171511 1.961 Inch | 49.8 Mi
FAG KML30 Bearing Lock Nuts Mounted Units & SEALMASTER 0662461280560 REGAL BELOIT
SKF KMK 4 Bearing Lock Nuts Double Row 3.75 Inch | 95.25 Mi No 1 Rib Outer Ring | F
SKF HM 3160 Bearing Lock Nuts 5-1/4 in 10.2 in 341160 lbf 960 rpm
SKF KMTA 40 Bearing Lock Nuts NTN NTN M06288 Bearings
FAG KM30 Bearing Lock Nuts 31171532 10000 N 20MM Bore; Tapered A Tapered Adapter
SKF HM 3072 Bearing Lock Nuts Cast Iron Set Screw 2 Bolt Flange Block Flange Block
FAG KM34 Bearing Lock Nuts Flanged REXNORD 8483.20.40.40 Single Lip Contact
SKF HM 3164 Bearing Lock Nuts N/A 0.863 MCGILL 0.0
SKF KMT 38 Bearing Lock Nuts Bearings B04144 KOYO 0
SKF KML 30 Bearing Lock Nuts 7.44 Inch | 188.976 8483.20.40.80 Spherical Roller Bea 5 Inch | 127 Millime