Fastrax 1/2 X 3/4 X 4mm Rubber Shielded Losi Diff Bearing

The Fastrax FTBB06R is a 1/2 x 3/4 x 4mm rubber shielded diff bearing designed for reliable performance in RC car differentials. Described for Losi applications, its suggested compatibility is with differential assemblies that accept 1/2 x 3/4 x 4mm bearings.

At A Glance

• Size: 1/2 x 3/4 x 4mm
• Type: Rubber Shielded (RSB)
• Application: Diff Bearing (DB)
• Brand/Part: Fastrax FTBB06R

Rubber shields help resist dirt and moisture ingress and aid grease retention, supporting smooth, long-lasting operation. A practical choice for maintenance or rebuilds where consistent differential performance is important.

Bearing Key

• B - Plain bearing
• RSB - Rubber Shielded Bearing
• TSB - Teflon Shielded Bearing
• FB - Flanged Bearing
• DB - Diff Bearing
• GB - Gearbox Bearing
• DGB - Diff Gearbox Bearing
• IMB - Idler/Motor Bearing