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Today we're going to review part number HM212011. This is the Redline bearing race. This bearing
race will fit the outer bearing part number HM212049. This bearing race is designed to
fit into the hub assembly on your trailer axle. It will give you the inside taper here
that the rollers from the bearing will seat in and ride on this inside taper of the race.
This does have the part number on it, stamped right here, HM212011.
The most critical part is the measurement, the outer diameter measurement on a bearing
race, that will determine which size you need. On this one, you'd measure outer diameter
from here to here and it is listed in thousandths of an inch, so it does require a digital caliper
to get the correct measurement and the outer diameter on this one will be 4.813. That should
do it for our review on part number HM212011.