Overview Reviews Product Description Designed with high quality, pre-lubricated, and sealed needle bearings Ideal for applications up to 25° of angular misalignment and speeds up to 6,000 RPM Available in sizes: 6, 8, 10 and 12 (Other sizes are quantity dependent) with your choice of round, hex, splined, or keyway bores Boot retaining grooves are standard. (Boots are available for purchase separately.) Lubrication is required for optimal wear - boots and lubricant extend universal joint life Timken Lovejoy Master Catalog Product Videos Custom Field Series NB-12 Shaft diameter Unbored Keyway size No keyway Coupling type Universal joint Product Reviews Write a Review Write a Review × Timken Unbored Shaft NB-12 Series Lovejoy® Needle Bearing Universal Joint NB12-UJ-SOLIDXSOLID Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *