Standard Locknut Miether


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H3176 Metric Adapter Sleeve Assemblies – H3100 Series

H3176 - Metric Adapter Sleeve Assemblies – H3100 Series, Adapter Sleeves, Products

H3176

H3176X360MM Standard Locknut Part Number

This is a series of adapter assemblies used for wider series bearings.  They are the most commonly used method for locating tapered bore roller bearings onto a cylindrical shaft.  This series of adapters is used with 231 series spherical roller bearings.

Features and benefits

  • Heavy duty positive locking method for industrial applications.
  • Easy to install at any position on a straight shaft without the need for additional locating device.
  • Common technique and design allow simple installation and removal.
  • Standard Locknut sets the industry locknut standard


  • H3122 through H3144 series use a thin series (KML) locknut and (MBL) lockwasher configuration.H3148 and larger use thin section (N-000) locknuts and (MS) locking clips to accommodate larger shaft assemblies.
  • Can be mounted directly to a straight shaft or on against the step on a stepped shaft for accurate axial positioning.
  • Adapter sleeves and KM locknuts can be reused, provided they are not damaged. A new lockwasher or locking clip should be used each time the corresponding locknut is installed.
  • Conforms with ABMA, SAE and ABEC standards for bearing and power transmission applications.  Unless otherwise specified, manufactured from AISI grade 1000 or 1200 series steel.
  • Bearing bore surface finish will not exceed 100 microinches for sizes 00-10, 120 microinches for sizes 11-22, and 150 microinches for sizes above 22.
Dimensions
d 360 INCH Bore Diameter
A 397 INCH Diameter to Sharp Corner
L 264 INCH Sleeve Length
MT TR380X5 Metric Threads
G 72 INCH Thread Length
F 10 INCH Slot Width
P 32 INCH Slot Width
T 26 INCH Slot Depth
Included products
Locknut HM3176
Lockwasher / Lockplate MS3176