Lovejoy, 68514446728, NB10B Universal Needle Bearing Joint with Keyway, 3/4", Imperial
Needle Bearing (NB) Type 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 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 for purchase separately.) Lubrication is required for optimal wear - boots and lubricant extend universal joint life Static Breaking Torque is not recommended operating torque. Square and hex bore measured across the flats. Maximum operating angle for transmission of power is 25°. For greater angular operation, use double universal joint. Join two universal joints back to back and connect with a short shaft. Attach universal joints to shaft by drilling and pinning. Swing Diameter is the maximum diameter over bearings, clearance must be allowed.
