Ball Bearings Catalog Page D114 Super Precision Ball Bearings

A BALL BEARINGS D D114 TIMKEN PRODUCTS CATALOG BSBU D STANDARD AND HEAVY-DUTY BEARINGS Designed and developed to give the machine manufacturer a ready-made unit providing excellent stiffness and accuracy in ball screw applications. Units combine the features of MM-BS-DU (Duplex) ball screw bearings with an accurately manufactured housing and laminar ring seals. Each unit is prepacked with a measured quantity of high quality bearing grease and requires no further lubrication. Units are supplied with the bearings in pairs mounted in the "DB" ("O") arrangement. Other bearing arrangements can be accommodated if required. Please consult your Timken representative with details of your requirements or for suggested shaft and housing fits. STANDARD SERIES - DIMENSIONAL TOLERANCES .13 mm ( 0.005") UNLESS OTHERWISE STATED. Shaft Unit C d 1 d 2 d 3 D D1 D2 D3 E F K L N P Wt. Dia. Number mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm kg (Bearing Set) in. in. in. in. lbs. 17 BSBU17D60 47.0 17.000 4.3 6.6 36.0 60.000 26.0 64.0 90.0 44.26 42.5 32.0 13.0 76.0 32 1.1 16.996 59.987 43.24 (MM17BS47DUH) 1.85 0.6693 0.17 0.26 1.42 2.3622 1.02 2.52 3.54 1.742 1.67 1.26 0.51 2.99 1.26 2.42 0.6691 2.3617 1.702 20 BSBU20D60 47.0 20.000 4.3 6.6 36.0 60.000 26.0 64.0 90.0 44.26 42.5 32.0 13.0 76.0 32 1.1 19.996 59.987 43.24 (MM20BS47DUH) 1.85 0.7874 0.17 0.26 1.42 2.3622 1.02 2.52 3.54 1.742 1.67 1.26 0.51 2.99 1.26 2.42 0.7872 2.3617 1.702 25 BSBU25D80 52.0 25.000 4.3 9.2 50.0 80.000 40.0 88.0 120.0 50.26 59.5 32.0 15.0 102.0 44 2.3 24.996 79.987 49.24 (MM25BS62DUH) 2.05 0.9842 0.17 0.36 1.97 3.1496 1.57 3.46 4.72 1.979 2.34 1.26 0.59 4.02 1.73 5.06 0.9841 3.1491 1.938 30 BSBU30D80 52.0 30.000 4.3 9.2 50.0 80.000 40.0 88.0 120.0 50.26 59.5 32.0 15.0 102.0 44 2.2 29.996 79.987 49.24 (MM30BS62DUH) 2.05 1.1811 0.17 0.36 1.97 3.1496 1.57 3.46 4.72 1.979 2.34 1.26 0.59 4.02 1.73 4.84 1.1809 3.1491 1.938 35 BSBU35D90 52.0 35.000 4.3 9.2 60.0 90.000 46.0 98.0 130.0 50.26 66.5 32.0 15.0 113.0 49 3.2 34.995 89.985 49.24 (MM35BS72DUH) 2.05 1.378 0.17 0.36 2.36 3.5433 1.81 3.86 5.12 1.979 2.62 1.26 0.59 4.45 1.93 7.04 1.3778 3.5427 1.938 40 BSBU40D90 52.0 40.000 4.3 9.2 60.0 90.000 46.0 98.0 130.0 50.26 66.5 32.0 15.0 113.0 49 3.1 39.995 89.985 49.24 (MM40BS72DUH) 2.05 1.5748 0.17 0.36 2.36 3.5433 1.81 3.86 5.12 1.979 2.62 1.26 0.59 4.45 1.93 6.82 1.5746 3.5427 1.938 HEAVY-DUTY SERIES 35 BSBU35D124 66.0 35.000 5.3 11.4 76.0 124.000 66.0 128.0 165.0 64.26 90.0 43.5 17.0 146.0 64 6.3 34.995 123.982 63.24 (MM35BS100DUH) 2.60 1.3780 0.21 0.45 2.99 4.8819 2.6 5.04 6.50 2.530 3.54 1.71 0.67 5.75 2.52 13.86 1.3778 4.8812 2.490 40 BSBU40D124 66.0 40.000 5.3 11.4 76.0 124.000 66.0 128.0 165.0 64.26 90.0 43.5 17.0 146.0 64 6.1 39.995 123.982 63.24 (MM40BS100DUH) 2.60 1.5748 0.21 0.45 2.99 4.8819 2.6 5.04 6.50 2.530 3.54 1.71 0.67 5.75 2.52 13.42 1.5746 4.8812 2.490 45 BSBU45D124 66.0 45.000 5.3 11.4 76.0 124.000 66.0 128.0 165.0 64.26 90.0 43.5 17.0 146.0 64 6.0 44.995 123.982 63.24 (MM45BS100DUH) 2.60 1.7716 0.21 0.45 2.99 4.8819 2.6 5.04 6.50 2.530 3.54 1.71 0.67 5.75 2.52 13.2 1.7714 4.8812 2.490 50 BSBU50D124 66.0 50.000 5.3 11.4 76.0 124.000 66.0 128.0 165.0 64.26 90.0 43.5 17.0 146.0 64 5.9 49.995 123.982 63.24 (MM50BS100DUH) 2.60 1.9685 0.21 0.45 2.99 4.8819 2.6 5.04 6.50 2.530 3.54 1.71 0.67 5.75 2.52 12.898 1.9683 4.8812 2.490 F A F N I R B S B U 3 0 Q 8 0 30 P 10 HOLES 'd2' EQUISPACED ON 'N' P.C. DIA. 4 HOLES 'd1' EQUISPACED ON 'F' P.C. DIA. d D 1 0.0002 A 0.0004 A K L E C 1 X 45 D d 3 2 45

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