1. Product Overview B49-5UR non-standard open deep groove ball bearing, dimension 49mm bore × 95mm outer diameter × 18mm width, specially matched for automobile CVT and manual gearbox transmission shafts. Open design without rubber seals, outer ring machined with UR positioning snap ring groove for axial limit, equipped with stamped steel cage and C0 standard clearance. It bears radial load and minor bidirectional axial load, runs stably and quietly at continuous high speed