One order to Traydon covered 55 items of rolling bearings, including track rollers. With bearing lists, most of the information sits in the designation, above all in the characters after the basic number.
Why the full designation matters
The basic number of a rolling bearing describes its type and dimensions. Suffixes define everything beyond that: internal clearance such as C3, cage material, seal or shield.
Two bearings with the same basic number can therefore last differently in the same machine. Track rollers run directly on a track and carry high loads; for them, outer ring profile and mounting matter too.
What a bearing list should contain
- full designation with all suffixes
- quantity for each item
- for track rollers: cylindrical or crowned outer ring, stud or yoke type
- for replacements: mounting location or machine, in case the designation is illegible
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Track roller in the parts database
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