SKF 71930 ACD/P4AL Precision Ball Bearings

Bearing number:71930 C-UD; Size (mm):150x210x56(mm); Brand:CX; Bore Diameter (mm):150(mm); Outer Diameter (mm):210(mm); Width (mm):56(mm); d:150 mm 5.9055 in; D:210 mm 8.2677 in; B1:56 mm 2.2047 in; Angle (α):15 °; Weight:5 Kg; Basic dynamic load rating (C):187 kN; Basic static load rating (C0):263 kN; (Grease) Lubrication Speed:3700 r/min;

d:150 mm 5.9055 in; D:210 mm 8.2677 in; B:28 mm 1.1024 in; d₁:168.5 mm 6.6339 in; d₂:168.5 mm 6.6339 in; D₁:191.5 mm 7.5394 in; b:2.6 mm 0.1024 in; C₁:15.6 mm 0.6142 in; C₂:6.6 mm 0.2598 in; C₃:5.6 mm 0.2205 in; r_1,2 min.:2 mm 0.0787 in; r_3,4 min.:1 mm 0.0394 in; a:56.1 mm 2.2087 in; d_a min.:159 mm 6.2598 in; d_b min.:159 mm 6.2598 in; D_a max.:201 mm 7.9134 in; D_b max.:205 mm 8.0709 in; r_a max.:2 mm 0.0787 in; r_b max.:1 mm 0.0394 in; d_n:173.5 mm 6.8307 in; Basic dynamic load rating C:108 kN; Basic static load rating C₀:125 kN; Fatigue load limit P_u:3.9 kN; Attainable speed for grease lubrication:5600 r/min; Attainable speed for oil-air lubrication:8500 r/min; Ball diameter D_w:19.05 mm 0.75 in; Number of balls z:23; Reference grease quantity G_ref:35 cm³; Preload class A G_A:740 N; Static axial stiffness, preload class A:340 N/µm; Preload class B G_B:1480 N; Static axial stiffness, preload class B:447 N/µm; Preload class C G_C:2960 N; Static axial stiffness, preload class C:596 N/µm; Preload class D G_D:5920 N; Static axial stiffness, preload class D:814 N/µm; Calculation factor f:1.24; Calculation factor f₁:0.98; Calculation factor f_2A:1; Calculation factor f_2B:1.04; Calculation factor f_2C:1.08; Calculation factor f_2D:1.14; Calculation factor f_HC:1; Calculation factor e:0.68; Calculation factor (single, tandem) Y₂:0.87; Calculation factor (single, tandem) Y₀:0.38; Calculation factor (single, tandem) X₂:0.41; Calculation factor (back-to-back, face-to-face) Y₁:0.92; Calculation factor (back-to-back, face-to-face) Y₂:1.41; Calculation factor (back-to-back, face-to-face) Y₀:0.76; Calculation factor (back-to-back, face-to-face) X₂:0.67; Mass bearing:2.5 kg;

d:90 mm; D:140 mm; B:24 mm; d1:108.33 mm; d2:105.5 mm; D2:125.2 mm; r1,2 min.:1.5 mm; r3,4 min.:1 mm; a:27.5 mm; da min.:97 mm; da max.:107.6 mm; db min.:97 mm; db max.:104.8 mm; Da max.:133 mm; Db max.:134.4 mm; ra max.:1.5 mm; rb max.:1 mm; Basic dynamic load rating C:35.8 kN; Basic static load ra

d:75 mm; D:105 mm; B:16 mm; d1:84.3 mm; d2:81.8 mm; D1:95.52 mm; b:2 mm; C1:8.6 mm; C2:2.8 mm; C3:2.8 mm; r1,2 min.:1 mm; r3,4 min.:0.3 mm; a:30.2 mm; da min.:79.6 mm; db min.:77 mm; Da max.:100.4 mm; Db max.:103 mm; ra max.:1 mm; rb max.:0.3 mm; dn:86.5 mm; Basic dynamic load rating C:21.2 kN; Basi

d:90 mm; D:140 mm; B:24 mm; d1:105.4 mm; d2:105.4 mm; D1:124.6 mm; r1,2 min.:1.5 mm; r3,4 min.:1 mm; a:39 mm; da min.:97 mm; db min.:97 mm; Da max.:133 mm; Db max.:136 mm; ra max.:1.5 mm; rb max.:1 mm; Basic dynamic load rating C:74.1 kN; Basic static load rating C0:72 kN; Fatigue load limit Pu:2.85

d:60 mm; D:95 mm; B:18 mm; d1:72.74 mm; d2:70.6 mm; D2:85.4 mm; r1,2 min.:1.1 mm; r3,4 min.:0.6 mm; a:27.3 mm; da min.:66 mm; da max.:72.1 mm; db min.:66 mm; db max.:70 mm; Da max.:89 mm; Db max.:90.8 mm; ra max.:1 mm; rb max.:0.6 mm; Basic dynamic load rating C:16.3 kN; Basic static load rating C0:

d:70 mm; D:110 mm; B:20 mm; d1:82.3 mm; d2:82.3 mm; D1:97.7 mm; r1,2 min.:1.1 mm; r3,4 min.:0.6 mm; a:31.1 mm; da min.:76 mm; db min.:76 mm; Da max.:104 mm; Db max.:106 mm; ra max.:1 mm; rb max.:0.6 mm; Basic dynamic load rating C:48.8 kN; Basic static load rating C0:44 kN; Fatigue load limit Pu:1.8

d:60 mm; D:95 mm; B:18 mm; d1:70.8 mm; d2:70.8 mm; D1:84.2 mm; r1,2 min.:1.1 mm; r3,4 min.:0.6 mm; a:19.4 mm; da min.:66 mm; db min.:66 mm; Da max.:89 mm; Db max.:91.8 mm; ra max.:1 mm; rb max.:0.6 mm; Basic dynamic load rating C:40.3 kN; Basic static load rating C0:34.5 kN; Fatigue load limit Pu:1.

d:30 mm; D:47 mm; B:9 mm; d1:35.6 mm; d2:35.6 mm; D2:44.15 mm; r1,2 min.:0.3 mm; r3,4 min.:0.2 mm; a:13.6 mm; da min.:32 mm; da max.:35.1 mm; db min.:32 mm; db max.:35.1 mm; Da max.:45 mm; Db max.:45.6 mm; ra max.:0.3 mm; rb max.:0.2 mm; Basic dynamic load rating C:6.76 kN; Basic static load rating

d:90 mm; D:125 mm; B:18 mm; d1:100.8 mm; d2:100.8 mm; D1:114.2 mm; K:0.5 mm; C1:5.2 mm; r1,2 min.:1.1 mm; r3,4 min.:0.6 mm; a:34.2 mm; da min.:96 mm; db min.:96 mm; Da max.:119 mm; Db max.:121 mm; ra max.:1 mm; rb max.:0.6 mm; dn:103.3 mm; Basic dynamic load rating C:44.2 kN; Basic static load ratin

d:40 mm; D:62 mm; B:12 mm; d1:47.1 mm; d2:47.1 mm; D2:57.12 mm; r1,2 min.:0.6 mm; r3,4 min.:0.3 mm; a:18 mm; da min.:43.2 mm; da max.:46.6 mm; db min.:43.2 mm; db max.:46.6 mm; Da max.:58.8 mm; Db max.:60.6 mm; ra max.:0.6 mm; rb max.:0.3 mm; Basic dynamic load rating C:11.7 kN; Basic static load ra

d:80 mm; D:125 mm; B:22 mm; d1:93.9 mm; d2:93.9 mm; D1:111.1 mm; r1,2 min.:1.1 mm; r3,4 min.:0.6 mm; a:35 mm; da min.:86 mm; db min.:86 mm; Da max.:119 mm; Db max.:121 mm; ra max.:1 mm; rb max.:0.6 mm; Basic dynamic load rating C:62.4 kN; Basic static load rating C0:58.5 kN; Fatigue load limit Pu:2.

d:25 mm; D:47 mm; B:12 mm; d1:31.6 mm; d2:29.8 mm; D1:39.21 mm; r1,2 min.:0.6 mm; r3,4 min.:0.3 mm; a:14.4 mm; da min.:28.2 mm; db min.:28.2 mm; Da max.:43.8 mm; Db max.:44.6 mm; ra max.:0.6 mm; rb max.:0.3 mm; Basic dynamic load rating C:7.93 kN; Basic static load rating C0:3.9 kN; Fatigue load lim

d:25 mm; D:47 mm; B:12 mm; d1:31.6 mm; d2:29.8 mm; D2:41.5 mm; r1,2 min.:0.6 mm; r3,4 min.:0.3 mm; a:14.4 mm; da min.:28.2 mm; da max.:31.2 mm; db min.:28.2 mm; db max.:29.4 mm; Da max.:43.8 mm; Db max.:44.6 mm; ra max.:0.6 mm; rb max.:0.3 mm; Basic dynamic load rating C:7.93 kN; Basic static load r

d:40 mm; D:68 mm; B:15 mm; d1:49.7 mm; d2:47.6 mm; D1:58.25 mm; b:1.4 mm; C1:4.5 mm; C2:2.5 mm; C3:3 mm; r1,2 min.:1 mm; r3,4 min.:0.6 mm; a:14.8 mm; da min.:44.6 mm; db min.:44.6 mm; Da max.:63.4 mm; Db max.:63.8 mm; ra max.:1 mm; rb max.:0.6 mm; dn:51.6 mm; Basic dynamic load rating C:12.4 kN; Bas

d:65 mm; D:100 mm; B:18 mm; d1:77.26 mm; d2:74.9 mm; D2:91.1 mm; r1,2 min.:1.1 mm; r3,4 min.:0.6 mm; a:28.4 mm; da min.:71 mm; da max.:76.5 mm; db min.:71 mm; db max.:74.1 mm; Da max.:94 mm; Db max.:95.8 mm; ra max.:1 mm; rb max.:0.6 mm; Basic dynamic load rating C:19.5 kN; Basic static load rating

d:17 mm; D:35 mm; B:10 mm; d1:22.7 mm; d2:21.1 mm; D1:29.3 mm; r1,2 min.:0.3 mm; r3,4 min.:0.15 mm; a:8.6 mm; da min.:19 mm; db min.:19 mm; Da max.:33 mm; Db max.:33.6 mm; ra max.:0.3 mm; rb max.:0.15 mm; Basic dynamic load rating C:5.85 kN; Basic static load rating C0:2.55 kN; Fatigue load limit Pu