SKF S71911 ACDTP/P4B Super Precision Bearings

Bearing number:71911 ACB/HCP4A; Size (mm):80x55x13(mm); Brand:SKF; Bore Diameter (mm):80(mm); Outer Diameter (mm):55(mm); Width (mm):13(mm); d:55 mm 2.1654 in; D:80 mm 3.1496 in; B:13 mm 0.5118 in; d₁:63.94 mm 2.5173 in; d₂:62.7 mm 2.4685 in; D₂:73.2 mm 2.8819 in; r_1,2 - min.:1 mm 0.0394 in; r_3,4 - min.:0.3 mm 0.0118 in; a:26 mm 1.0236 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; d_n:64.8 mm 2.5512 in; Basic dynamic load rating - C:9.4 kN; Basic static load rating - C₀:7.6 kN; Fatigue load limit - P_u:0.325 kN; Limiting speed for grease lubrication:24000 r/min; Limiting speed for oil lubrication:38000 mm/min; Ball - D_w:5.556 mm 0.2187 in; Ball - z:28; G_ref:2.58 cm3; Calculation factor - e:0.68; Calculation factor - Y₂:1.41; Calculation factor - Y₀:0.76; Calculation factor - X₂:0.67; Calculation factor - Y₁:0.92; Preload class A - G_A:55 N; Preload class B - G_B:110 N; Preload class C - G_C:330 N; Calculation factor - f:1.09; Calculation factor - f₁:0.99; Calculation factor - f_2A:1; Calculation factor - f_2B:1.02; Calculation factor - f_2C:1.08; Calculation factor - f_HC:1.01; Preload class A:98 N/micron; Preload class B:126 N/micron; Preload class C:192 N/micron; d₁:63.94 mm 2.5173 in; d₂:62.7 mm 2.4685 in; D₂:73.2 mm 2.8819 in; r_1,2 min.:1 mm 0.0394 in; r_3,4 min.:0.3 mm 0.0118 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; d_n:64.8 mm 2.5512 in; Basic dynamic load rating C:12.7 kN; Basic static load rating C₀:12.7 kN; Fatigue load limit P_u:0.325 kN; Attainable speed for grease lubrication:24000 r/min; Attainable speed for oil-air lubrication:38000 r/min; Ball diameter D_w:5.556 mm 0.2187 in; Number of balls z:28; Reference grease quantity G_ref:2.58 cm³; Preload class A G_A:55 N; Static axial stiffness, preload class A:98 N/µm; Preload class B G_B:110 N; Static axial stiffness, preload class B:126 N/µm; Preload class C G_C:330 N; Static axial stiffness, preload class C:192 N/µm; Calculation factor f:1.09; Calculation factor f₁:0.99; Calculation factor f_2A:1; Calculation factor f_2B:1.02; Calculation factor f_2C:1.08; Calculation factor f_HC:1.01; 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:0.17 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; 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:22.4 mm 0.8819 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:18.2 kN; Basic static load rating C₀:13.7 kN; Fatigue load limit P_u:0.585 kN; Attainable speed for grease lubrication:15000 r/min; Ball diameter D_w:7.938 mm 0.3125 in; Number of balls z:23; Preload class A G_A:120 N; Static axial stiffness, preload class A:124 N/µm; Preload class B G_B:240 N; Static axial stiffness, preload class B:161 N/µm; Preload class C G_C:480 N; Static axial stiffness, preload class C:211 N/µm; Preload class D G_D:960 N; Static axial stiffness, preload class D:282 N/µm; Calculation factor f:1.15; 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 (back-to-back, face-to-face) Y₁:0.92; Calculation factor (back-to-back, face-to-face) Y₂:1.41; Mass bearing:0.18 kg;

d:100 mm; D:150 mm; B:24 mm; d1:118.7 mm; d2:116.15 mm; D2:135 mm; b:2.2 mm; C1:13.4 mm; C2:5.2 mm; C3:4.2 mm; r1,2 min.:1.5 mm; r3,4 min.:1 mm; a:28.9 mm; da min.:107 mm; db min.:107 mm; Da max.:143 mm; Db max.:145.4 mm; ra max.:1.5 mm; rb max.:1 mm; dn:120 mm; Basic dynamic load rating C:37.7 kN;

d:35 mm; D:62 mm; B:14 mm; d1:43.7 mm; d2:41.6 mm; D1:52.25 mm; r1,2 min.:1 mm; r3,4 min.:0.6 mm; a:13.5 mm; da min.:39.6 mm; db min.:39.6 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:11.4 kN; Basic static load rating C0:6.55 kN; Fatigue load limit

d:35 mm; D:62 mm; B:14 mm; d1:43.7 mm; d2:41.6 mm; D1:52.25 mm; r1,2 min.:1 mm; r3,4 min.:0.6 mm; a:18.4 mm; da min.:39.6 mm; db min.:39.6 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 C0:6.3 kN; Fatigue load limit P

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:20.2 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:15.9 kN; Basic static load rating

d:50 mm; D:72 mm; B:12 mm; d1:57.1 mm; d2:57.1 mm; D2:67.12 mm; r1,2 min.:0.6 mm; r3,4 min.:0.3 mm; a:14.2 mm; da min.:53.2 mm; da max.:56.6 mm; db min.:53.2 mm; db max.:56.6 mm; Da max.:68.8 mm; Db max.:70.6 mm; ra max.:0.6 mm; rb max.:0.3 mm; Basic dynamic load rating C:13.5 kN; Basic static load

d:70 mm; D:110 mm; B:20 mm; d1:82.3 mm; d2:82.3 mm; D2:100.64 mm; r1,2 min.:1.1 mm; r3,4 min.:0.6 mm; a:31.1 mm; da min.:76 mm; da max.:81.7 mm; db min.:76 mm; db max.:81.7 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

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:27.5 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:79.3 kN; Basic static load rating C0:76.5 kN; Fatigue load limit Pu:

d:55 mm; D:80 mm; B:13 mm; d1:62.7 mm; d2:62.7 mm; D1:72.3 mm; r1,2 min.:1 mm; r3,4 min.:0.3 mm; a:22.4 mm; da min.:59.6 mm; db min.:59.6 mm; Da max.:75.4 mm; Db max.:78 mm; ra max.:1 mm; rb max.:0.3 mm; Basic dynamic load rating C:18.2 kN; Basic static load rating C0:13.7 kN; Fatigue load limit Pu:

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:22.2 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:12.1 kN; Basic static load rating

d:30 mm; D:55 mm; B:13 mm; d1:37.7 mm; d2:37.7 mm; D1:47.3 mm; r1,2 min.:1 mm; r3,4 min.:0.3 mm; a:16.6 mm; da min.:34.6 mm; db min.:34.6 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 C0:7.65 kN; Fatigue load limit Pu:

d:30 mm; D:55 mm; B:13 mm; d1:38.2 mm; d2:36.4 mm; D1:45.81 mm; b:1.4 mm; C1:3.7 mm; C2:1.95 mm; C3:2.6 mm; r1,2 min.:1 mm; r3,4 min.:0.6 mm; a:16.4 mm; da min.:34.6 mm; db min.:34.6 mm; Da max.:50.4 mm; Db max.:50.8 mm; ra max.:1 mm; rb max.:0.6 mm; dn:39.9 mm; Basic dynamic load rating C:8.84 kN;

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:22.2 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:23.8 kN; Basic static load rating C0:18.3 kN; Fatigue load limit P

d:45 mm; D:75 mm; B:16 mm; d1:56.44 mm; d2:55.17 mm; D2:65.58 mm; b:1.5 mm; C1:8.6 mm; C2:3.6 mm; C3:2.6 mm; r1,2 min.:1 mm; r3,4 min.:0.6 mm; a:16.1 mm; da min.:49.6 mm; db min.:49.6 mm; Da max.:70.4 mm; Db max.:71.8 mm; ra max.:1 mm; rb max.:0.6 mm; dn:57.2 mm; Basic dynamic load rating C:13 kN; B

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: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:20.2 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:20.3 kN; Basic static load rating