Contact: Wakefield-Vette 33 Bridge St. Pelham, NH 03076 603-635-2800 info Wakefield-Vette.com www.Wakefield-Vette.com Alves Blue Block Universal Joints split block design makes the difference Built Better and cost less the ultimate products in motion linkage. All wear parts are heat treated for increased life. The split block design provides a positive lubrication reservoir for long life and low wear. The pins move resistance free within the bushings, while the bushings remained fixed with the yokes. Standard joints produced from high- grade alloy steel for extra durability and each part of the same joint is completely interchangeable. All parts are produced to extremely close tolerances, and fitted exactly to meet the most rigid backlash requirements. The Blue Block design is available in stainless steel, with keyways and with many custom configurations. Protective coverings are also available for use in contaminated atmospheres. Single Joints SPECIFICATIONS OF STANDARD JOINTS CAT CAT A B D D C APPROX STATIC NO NO O.D. LENGTHBOREMAX BORE HOLE WEIGHT BREAKING SOLID BORED 0 0.002 0.002 DEPTH LBS TORQUE HUBS HUBS -0.015 +- 1/32 -0.001 -0.001 x INCH/LBS BS-375 BB-375 3/8 1-3/4 3/16 1/4 19/32 .09 150 BS-500 BB-500 1/2 2 1/4 3/8 19/32 .12 410 BS-625 BB-625 5/8 2-1/4 5/16 1/2 23/32 .25 890 ABOVE JOINTS DO NOT HAVE BEARINGS BS-750 BB-750 3/4 2-11/16 3/8 5/8 7/8 0.31 1,500 BS-875 BB-875 7/8 3 7/16 11/16 1 0.5 1,650 BS-1000 BB-1000 1 3-3/3 1/2 3/4 1-1/8 0.62 3,000 BS-1125 BB-1125 1-1/8 3-1/2 9/16 7/8 1-1/8 0.87 3,500 BS-1250 BB1520 1-1/4 3-3/4 5/8 1 1-1/8 1.13 5,400 BS-1500 BB-1500 1-1/2 4-1/4 3/4 1-1/8 1-1/8 1.75 8,800 BS-1750 BB-1750 1-3/4 5 7/8 1-1/4 1-7/16 2.93 14,500 Note how the unique BS-2000 BB-2000 2 6 1 1-1/2 1-13/16 4.5 22,000 construction of the split BS-2500 BB-2500 2-1/2 7 1-1/4 1 3/4 1-7/8 7.25 31,500 block forms a lubrication BS3000 BB-3000 3 9 1-1/2 2 2-15/16 15.5 55,000 chamber. BS-4000 BB-4000 4 10-5/8 2 2-1/2 3-1/2 35.5 127,000 The oil enters through the OUBLE U-JOINTS FOR MORE ANGULAR FLEXIBILITY AVAILABLE IN ABOVE SIZES oil hole in one pin and into the reservoir. As the speed is increased, oil is thrown centrifugally to thoroughly Repair Kits lubricate each pin and bushing. Alves on site repair kits can be used to repair any size Blue Block U-Joint, Each kit contains (4) bushings, (3) solid bushing pins, (1) oilier bushing pin, (2) centering blocks, (1) nut and (1) bolt