Bearing identification

What bearing does my trailer run?

Identifying your correct bearing combination of inner and outer bearings is important when buying new axles, hubs or replacing the bearings itself to ensure you buy the right combination.

Common bearing combinations

Some of the common bearing combinations are listed below, but please be aware that different applications may have other bearing numbers and combinations that are not shown in this table.  

Bearing type Inner bearing
Part number 		Inner bearing
Dimensions
(ID x OD x width)
in mm 		Outer bearing
Part number 		Outer bearing
Dimensions
(ID x OD x width)
in mm
LM (Holden) LM67048/10 31.750 x 59.131 x 15.875 LM11949/10 19.050 x 45.237 x 15.494
Slimline (Ford) L68149/10 34.988 x 59.131 x 15.875 LM12749/10 21.986 x 45.237 x 15.494
Composite LM67048/10 31.750 x 59.131 x 15.875 LM12749/10 21.986 x 45.237 x 15.494
Parallel L68149/10 34.988 x 59.131 x 15.875 L68149/10 34.988 x 59.131 x 15.875
M/T 25580/20 44.450 x 82.931 x 23.812 LM67048/10 31.750 x 59.131 x 15.875
TB500 30308 40 x 90 x 25.25 15123/245 31.750 x 62 x 18.161
Dexter axle model D60 25580/20 44.450 x 82.931 x 23.812 15123/245 31.750 x 62 x 18.161
USA1.8t / Dexter axle model D35 L68149/11 34.987 x 59.975 x 15.875 L44649/10 26.99 x 50.292 x 14.224
Dexter axle model D44 L68149/11 34.987 x 59.975 x 15.875 LM67048/10 31.750 x 59.131 x 15.875
USA / Dexter can be hub 8-91A L44643 25.4 x 50.292 x 14.224 L44643 25.4 x 50.292 x 14.224
USA / Dexter L44649/10 26.99 x 50.292 x 14.224 L44649/10 26.99 x 50.292 x 14.224
TX 30210/10 50 x 90 x 21.75 15123/245 31.750 x 62 x 18.161
ALKO 1.5t LM29749/10 38.1 x 65.088 x 18.034 LM67048/10 31.750 x 59.131 x 15.875
ALKO 2t 30210/10 50 x 90 x 21.75 15123/245 31.750 x 62 x 18.161
ALKO 3t 30210/10 50 x 90 x 21.75 LM29749/10 38.1 x 65.088 x 18.034

All dimension measurements are in millimetres (mm) including bearings commonly found on US-designed trailers.

  • ID refers to Inner diameter
  • OD refers to Outer diameter

Bearing numbers are stamped into the underside of the bearing as shown in the image below:

trailer bearing identification

We sell a range of replacement trailer bearings and seals. If you are still unsure of which bearing you need, contact our friendly sales team on 07 3205 8846.