SKF 71911 CDTP/P4B super-precision Angular contact ball bearings

d:55 mm 2.1654 in; D:80 mm 3.1496 in; B:13 mm 0.5118 in; d₁:62.7 mm 2.4685 in; d₂:62.7 mm 2.4685 in; D₂:74.57 mm 2.9358 in; r_1,2 min.:1 mm 0.0394 in; r_3,4 min.:0.3 mm 0.0118 in; a:15.6 mm 0.6142 in; d_a min.:59.6 mm 2.3465 in; d_a max.:62.1 mm 2.4449 in; d_b min.:59.6 mm 2.3465 in; d_b max.:62.1 mm 2.4449 in; D_a max.:75.4 mm 2.9685 in; D_b max.:78 mm 3.0709 in; r_a max.:1 mm 0.0394 in; r_b max.:0.3 mm 0.0118 in; Basic dynamic load rating C:19.5 kN; Basic static load rating C₀:14.6 kN; Fatigue load limit P_u:0.62 kN; Attainable speed for grease lubrication:16000 r/min; Ball diameter D_w:7.938 mm 0.3125 in; Number of balls z:23; Preload class A G_A:70 N; Static axial stiffness, preload class A:49 N/µm; Preload class B G_B:140 N; Static axial stiffness, preload class B:65 N/µm; Preload class C G_C:280 N; Static axial stiffness, preload class C:89 N/µm; Preload class D G_D:560 N; Static axial stiffness, preload class D:126 N/µm; Calculation factor f:1.15; Calculation factor f₁:1; Calculation factor f_2A:1; Calculation factor f_2B:1.04; Calculation factor f_2C:1.09; Calculation factor f_2D:1.15; Calculation factor f_HC:1; Calculation factor f₀:10.4; Mass bearing:0.18 kg;

d:55 mm 2.1654 in; D:80 mm 3.1496 in; B:13 mm 0.5118 in; d₁:62.7 mm 2.4685 in; d₂:62.7 mm 2.4685 in; D₁:72.3 mm 2.8465 in; r_1,2 min.:1 mm 0.0394 in; r_3,4 min.:0.3 mm 0.0118 in; a:15.6 mm 0.6142 in; d_a min.:59.6 mm 2.3465 in; d_b min.:59.6 mm 2.3465 in; D_a max.:75.4 mm 2.9685 in; D_b max.:78 mm 3.0709 in; r_a max.:1 mm 0.0394 in; r_b max.:0.3 mm 0.0118 in; Basic dynamic load rating C:19.5 kN; Basic static load rating C₀:14.6 kN; Fatigue load limit P_u:0.62 kN; Attainable speed for grease lubrication:16000 r/min; Ball diameter D_w:7.938 mm 0.3125 in; Number of balls z:23; Reference grease quantity G_ref:2.49 cm³; Preload class A G_A:70 N; Static axial stiffness, preload class A:49 N/µm; Preload class B G_B:140 N; Static axial stiffness, preload class B:65 N/µm; Preload class C G_C:280 N; Static axial stiffness, preload class C:89 N/µm; Preload class D G_D:560 N; Static axial stiffness, preload class D:126 N/µm; Calculation factor f:1.15; Calculation factor f₁:1; Calculation factor f_2A:1; Calculation factor f_2B:1.04; Calculation factor f_2C:1.09; Calculation factor f_2D:1.15; Calculation factor f_HC:1; Calculation factor f₀:10.4; Mass bearing:0.18 kg;

d:40 mm; D:68 mm; B:15 mm; d1:49.2 mm; d2:49.2 mm; D1:58.8 mm; r1,2 min.:1 mm; r3,4 min.:0.3 mm; a:20.2 mm; da min.:44.6 mm; db min.:44.6 mm; Da max.:63.4 mm; Db max.:66 mm; ra max.:1 mm; rb max.:0.3 mm; Basic dynamic load rating C:15.9 kN; Basic static load rating C0:10.4 kN; Fatigue load limit Pu:

d:40 mm; D:62 mm; B:12 mm; d1:47.1 mm; d2:47.1 mm; D1:54.9 mm; r1,2 min.:0.6 mm; r3,4 min.:0.3 mm; a:12.9 mm; da min.:43.2 mm; db min.:43.2 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:12.4 kN; Basic static load rating C0:8.5 kN; Fatigue load limi

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:40 mm; D:68 mm; B:15 mm; d1:49.2 mm; d2:49.2 mm; D2:61.02 mm; r1,2 min.:1 mm; r3,4 min.:0.3 mm; a:14.8 mm; da min.:44.6 mm; da max.:48.7 mm; db min.:44.6 mm; db max.:48.7 mm; Da max.:63.4 mm; Db max.:66 mm; ra max.:1 mm; rb max.:0.3 mm; Basic dynamic load rating C:16.8 kN; Basic static load rating

d:70 mm; D:110 mm; B:20 mm; d1:84.3 mm; d2:81.6 mm; D1:95.32 mm; r1,2 min.:1.1 mm; r3,4 min.:0.6 mm; a:31.2 mm; da min.:76 mm; db min.:76 mm; Da max.:104 mm; Db max.:105.8 mm; ra max.:1 mm; rb max.:0.6 mm; Basic dynamic load rating C:22.5 kN; Basic static load rating C0:17.3 kN; Fatigue load limit P

d:30 mm; D:47 mm; B:9 mm; d1:35.6 mm; d2:35.6 mm; D1:41.4 mm; r1,2 min.:0.3 mm; r3,4 min.:0.2 mm; a:13.6 mm; da min.:32 mm; db min.:32 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 C0:4.3 kN; Fatigue load limit Pu:0.

d:90 mm; D:140 mm; B:24 mm; d1:105.4 mm; d2:105.4 mm; D2:128.25 mm; r1,2 min.:1.5 mm; r3,4 min.:1 mm; a:39 mm; da min.:97 mm; da max.:104.8 mm; db min.:97 mm; db max.:104.8 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

d:50 mm; D:80 mm; B:16 mm; d1:60.25 mm; d2:57.9 mm; D2:72.9 mm; r1,2 min.:1 mm; r3,4 min.:0.6 mm; a:16.8 mm; da min.:54.6 mm; da max.:59.7 mm; db min.:54.6 mm; db max.:57.3 mm; Da max.:75.4 mm; Db max.:75.8 mm; ra max.:1 mm; rb max.:0.6 mm; Basic dynamic load rating C:15.6 kN; Basic static load rati

d:30 mm; D:55 mm; B:13 mm; d1:37.7 mm; d2:37.7 mm; D2:49.57 mm; r1,2 min.:1 mm; r3,4 min.:0.3 mm; a:16.6 mm; da min.:34.6 mm; da max.:37.2 mm; db min.:34.6 mm; db max.:37.2 mm; Da max.:50.4 mm; Db max.:53 mm; ra max.:1 mm; rb max.:0.3 mm; Basic dynamic load rating C:13.8 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:11.2 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:5.59 kN; Basic static load rating C0:2.45 kN; Fatigue load limit P

d:80 mm; D:125 mm; B:22 mm; d1:93.9 mm; d2:93.9 mm; D2:113.95 mm; r1,2 min.:1.1 mm; r3,4 min.:0.6 mm; a:24.8 mm; da min.:86 mm; da max.:93.3 mm; db min.:86 mm; db max.:93.3 mm; Da max.:119 mm; Db max.:121 mm; ra max.:1 mm; rb max.:0.6 mm; Basic dynamic load rating C:65 kN; Basic static load rating C

d:20 mm; D:42 mm; B:12 mm; d1:26.6 mm; d2:24.8 mm; D1:34.21 mm; K:0.5 mm; C1:3.67 mm; r1,2 min.:0.6 mm; r3,4 min.:0.3 mm; a:10.2 mm; da min.:22 mm; db min.:22 mm; Da max.:40 mm; Db max.:39.6 mm; ra max.:0.6 mm; rb max.:0.3 mm; dn:28.1 mm; Basic dynamic load rating C:7.41 kN; Basic static load rating

d:30 mm; D:55 mm; B:13 mm; d1:37.7 mm; d2:37.7 mm; D2:49.57 mm; r1,2 min.:1 mm; r3,4 min.:0.3 mm; a:12.3 mm; da min.:34.6 mm; da max.:37.2 mm; db min.:34.6 mm; db max.:37.2 mm; Da max.:50.4 mm; Db max.:53 mm; ra max.:1 mm; rb max.:0.3 mm; Basic dynamic load rating C:14.3 kN; Basic static load rating

d:45 mm; D:75 mm; B:16 mm; d1:55.7 mm; d2:53.6 mm; D2:66.85 mm; r1,2 min.:1 mm; r3,4 min.:0.6 mm; a:16.1 mm; da min.:49.6 mm; da max.:55.1 mm; db min.:49.6 mm; db max.:53 mm; Da max.:70.4 mm; Db max.:70.8 mm; ra max.:1 mm; rb max.:0.6 mm; Basic dynamic load rating C:13 kN; Basic static load rating C

d:35 mm; D:62 mm; B:14 mm; d1:43.7 mm; d2:41.6 mm; D2:54.85 mm; r1,2 min.:1 mm; r3,4 min.:0.6 mm; a:18.4 mm; da min.:39.6 mm; da max.:43.1 mm; db min.:39.6 mm; db max.:41 mm; Da max.:57.4 mm; Db max.:57.8 mm; ra max.:1 mm; rb max.:0.6 mm; Basic dynamic load rating C:11.1 kN; Basic static load rating