Tsubaki Guide to Forestry Products

“XT” STYLE BUSHINGS“XT” STYLEWELD-ON HUBSWhen compatibility really matters“XT” style bushings have been designed specifi cally for conveyor pulley applications. They offer improved holding power and ease of installationand removal compared to other bushing types. “XT” style bushings are available for all the major types and sizes of conveyor pulleys.DimensionsCap ScrewsApproximate WrenchBushingWeight TorqueNumber L U T H V W Bore Range Number Size (lbs.) (in. lbs.)XTB15XTB20XTB25XTB30XTB35XTB40XTB45XTB50XTB60XTB70XTB80XTB100XTB1201 ¹⁄₈1 ¹³⁄₃₂1 ⁷⁄₈2 ¹⁄₁₆2 ¹⁵⁄₃₂2 ¹³⁄₁₆3 ⁵⁄₁₆3 ³⁄₄4 ¹⁄₈4 ¹¹⁄₁₆5 ¹⁄₈6 ³⁄₁₆7 ¹⁄₁₆³⁄₈¹⁵⁄₃₂⁵⁄₈¹¹⁄₁₆²⁵⁄₃₂⁷⁄₈¹⁵⁄₁₆11 ¹⁄₈1 ⁵⁄₁₆1 ³⁄₈1 ⁹⁄₁₆1 ³⁄₄³⁄₄¹⁵⁄₁₆1 ¹⁄₄1 ³⁄₈1 ¹¹⁄₁₆1 ¹⁵⁄₁₆2 ³⁄₈2 ³⁄₄33 ³⁄₈3 ³⁄₄4 ⁵⁄₈5 ¹⁵⁄₁₆2 ⁷⁄₈3 ³⁄₄4 ⁷⁄₁₆5 ⁵⁄₁₆6 ⁵⁄₁₆7 ¹⁄₈810 ¹⁄₈11 ¹⁵⁄₁₆13 ¹⁵⁄₁₆15 ⁵⁄₈17 ¹⁵⁄₁₆20 ⁵⁄₈2 ⁷⁄₁₆3 ³⁄₁₆3 ³⁄₄4 ⁹⁄₁₆5 ⁷⁄₁₆6 ¹⁄₈6 ⁷⁄₈8 ⁵⁄₁₆9 ⁷⁄₈11 ⁹⁄₁₆12 ⁷⁄₈15 ⁹⁄₁₆18 ³⁄₁₆³⁄₁₆¹⁄₄³⁄₈³⁄₁₆¹⁄₄³⁄₈¹⁄₂¹⁄₄³⁄₈¹⁄₂⁵⁄₈³⁄₈¹⁄₂⁵⁄₈³⁄₄¹⁄₂⁵⁄₈³⁄₄⁷⁄₈⁵⁄₈³⁄₄⁷⁄₈1⁷⁄₈1111 ¹⁄₄1 ¹⁄₄1 ¹⁄₂1 ¹⁄₂1 ³⁄₄1 ³⁄₄222 ¹⁄₂2 ¹⁄₂3⁵⁄₈ , ³⁄₄, ⁷⁄₈1, 1 ¹⁄₈, 1 ³⁄₁₆, 1 ¹⁄₄1 ⁷⁄₁₆, 1 ¹⁄₂³⁄₄1, 1 ³⁄₁₆, 1 ¹⁄₄1 ⁷⁄₁₆, 1 ¹⁄₂, 1 ¹¹⁄₁₆1 ¹⁵⁄₁₆, 21, 1 ³⁄₁₆, 1 ¹⁄₄1 ⁷⁄₁₆, 1 ¹⁄₂, 1 ¹¹⁄₁₆1 ¹⁵⁄₁₆, 2, 2 ³⁄₁₆2 ⁷⁄₁₆1 ⁷⁄₁₆, 1 ¹⁄₂1 ¹⁵⁄₁₆, 2 ³⁄₁₆2 ⁷⁄₁₆, 2 ¹¹⁄₁₆2 ¹⁵⁄₁₆1 ¹⁵⁄₁₆, 2 ³⁄₁₆2 ⁷⁄₁₆, 2 ¹¹⁄₁₆2 ¹⁵⁄₁₆3 ⁷⁄₁₆2 ⁷⁄₁₆2 ¹⁵⁄₁₆3 ⁷⁄₁₆3 ¹⁵⁄₁₆3 ⁷⁄₁₆3 ¹⁵⁄₁₆4 ⁷⁄₁₆3 ¹⁵⁄₁₆, 4 ⁷⁄₁₆4 ¹⁵⁄₁₆5 ⁷⁄₁₆, 5 ¹⁄₂5 ¹⁵⁄₁₆, 66 ⁷⁄₁₆, 6 ¹⁄₂6 ¹⁵⁄₁₆, 77 ¹⁄₂7 ¹⁵⁄₁₆, 88 ¹⁄₂, 99 ⁷⁄₁₆, 9 ¹⁄₂, 1010 ¹⁄₂, 1111 ¹⁄₂, 124444444444468All dimensions in inches unless otherwise stated.¹⁄₄ x 1⁵⁄₁₆ x 1¹⁄₄³⁄₈ x 1³⁄₄⁷⁄₁₆ x 1¹⁄₂¹⁄₂ x 1³⁄₄⁹⁄₁₆ x 2⁵⁄₈ x 2¹⁄₄³⁄₄ x 2¹⁄₂⁷⁄₈ x 2¹⁄₂1 x 31¹⁄₈ x 3¹⁄₂1¹⁄₈ x 3¹⁄₂1¹⁄₈ x 3¹⁄₂0.71.52.64.27.410.514.827.842.866.385.7146.0216.0952003505508401,2001,6803,0004,8007,2009,0009,0009,000Tsubaki offers a complete line of “XT” style weld-on hubs for insertion and welding. Special dimensional hubs are available per your specifi cationson a Made-to-Order basis. All Tsubaki hubs are made from steel bar stock (not powdered or sintered metal). The “XT” style weld-on hubs listedbelow include appropriate tapered bores and mounting holes.All dimensions in inches unless otherwise stated.Hub Bushing Dimensions Tapped Holes WeightNumber Used O.D. A B C V X No. Size (lbs.)XTH15XTH20XTH25XTH30XTH35XTH40XTH45XTH50XTH60XTH70XTH80XTH100XTH120XTB15XTB20XTB25XTB30XTB35XTB40XTB45XTB50XTB60XTB70XTB80XTB100XTB1203.1904.0654.6905.9406.5657.5628.3159.94011.69013.62714.94017.94020.940⁷⁄₁₆⁹⁄₁₆¹³⁄₁₆⁷⁄₈1¹⁄₁₆1¹⁄₄1¹⁄₂1³⁄₄1¹⁵⁄₁₆2³⁄₁₆2⁷⁄₁₆33¹⁄₂2.0002.6883.1883.8754.6885.3135.9387.2508.62510.00011.12513.68816.1882.8753.8134.3755.7506.3457.2508.0009.56311.25013.18814.62517.50020.5002⁷⁄₁₆3³⁄₁₆3³⁄₄4⁹⁄₁₆5⁷⁄₁₆6¹⁄₈6⁷⁄₈8⁵⁄₁₆9⁷⁄₈11⁹⁄₁₆12⁷⁄₈15⁹⁄₁₆18¹³⁄₁₆C⁵⁄₈¹³⁄₁₆1¹⁄₈1¹⁄₄1¹⁄₂1³⁄₄2¹⁄₈2¹⁄₂2³⁄₄3¹⁄₈3⁷⁄₁₆4¹⁄₈4¹³⁄₁₆AX4444444444468¹⁄₄ - 20UNC⁵⁄₁₆ - 18UNC³⁄₈ - 16UNC⁷⁄₁₆ - 14UNC¹⁄₂ - 13UNC⁹⁄₁₆ - 12UNC⁵⁄₈ - 11UNC³⁄₄ - 10UNC⁷⁄₈ - 9UNC1 - 8UNC1¹⁄₈ - 7UNC1¹⁄₈ - 7UNC1¹⁄₈ - 7UNCBVOD0.71.52.64.16.6111525365876122189LøV(Bolt Circle)Features:• Self seating• Reduced end disc pre-stressing• Minimal axial shaft movement• Equally spaced bolts for uniform draw-up• Capscrew torque-storing capacity is maximized by the fl ange• Full length engagement with the hub• Full size keys in maximum bushing bore sizes 50 and largerTUHWFeatures:• Self seating• Reduced end disc pre-stressing• Minimal axial shaft movement• Equally spaced bolts for uniform draw-up• Capscrew torque-storing capacity is maximized by the fl ange• Full length engagement with the hub• Full size keys in maximum bushing bore sizes 50 and larger84 85