1.Product Overview HTFB31-16 non-standard single row open deep groove ball bearing, dimension 31mm bore × 80mm outer diameter × 16mm width, HTFB dedicated transmission series, specially matched for passenger car automatic and manual gearbox intermediate shafts and differential assemblies. Open design without rubber seals, fitted with stamped steel cage and standard C0 internal clearance. It bears radial load and minor bidirectional axial load, runs stably and low-noise under