The Spicer TTC Bearing Roller, part number 550921 or SX550921, is a transmission roller bearing component sourced directly from Spicer TTC. Roller bearings in heavy-duty transmissions handle radial loads on rotating shafts and gears, making correct part selection critical to drivetrain reliability. This part is sold individually. Pro Gear and Transmission carries genuine Spicer TTC transmission components. Not sure this is the right bearing for your application? Give us a call and we can help confirm proper fit before you order.
Features
Spicer TTC genuine transmission roller bearing
Part number 550921, also referenced as SX550921
Sold as individual unit
Designed for heavy-duty transmission applications
Compatible with Spicer TTC and Tremec transmission families
Used in these Spicer Transmission models
