SKF S71910 CDTP/HCP4B Precision Ball Bearings

Bearing number:71910 CE/P4AH1; Size (mm):72x50x12(mm); Brand:SKF; Bore Diameter (mm):72(mm); Outer Diameter (mm):50(mm); Width (mm):12(mm); d:50 mm 1.9685 in; D:72 mm 2.8346 in; B:12 mm 0.4724 in; d₁:56.7 mm 2.2323 in; d₂:54.9 mm 2.1614 in; D₁:65.3 mm 2.5709 in; K:0.5 mm 0.0197 in; C₁:3.53 mm 0.139 in; r_1,2 - min.:0.6 mm 0.0236 in; r_3,4 - min.:0.3 mm 0.0118 in; a:14.7 mm 0.5787 in; d_a - min.:53.2 mm 2.0945 in; d_b - min.:52 mm 2.0472 in; D_a - max.:68.8 mm 2.7087 in; D_b - max.:70 mm 2.7559 in; r_a - max.:0.6 mm 0.0236 in; r_b - max.:0.3 mm 0.0118 in; d_n:58.4 mm 2.2992 in; Basic dynamic load rating - C:12.7 kN; Basic static load rating - C₀:8.6 kN; Fatigue load limit - P_u:0.365 kN; Limiting speed for grease lubrication:26000 r/min; Limiting speed for oil lubrication:40000 mm/min; Ball - D_w:7.144 mm 0.2813 in; Ball - z:21; G_ref:1.7 cm3; Calculation factor - f₀:8.4; Preload class A - G_A:69 N; Preload class B - G_B:210 N; Preload class C - G_C:410 N; Calculation factor - f:1.15; Calculation factor - f:1; Calculation factor - f_2A:1; Calculation factor - f_2B:1.04; Calculation factor - f_2C:1.08; Calculation factor - f_HC:1; Preload class A:38 N/micron; Preload class B:61 N/micron; Preload class C:83 N/micron; d₁:56.7 mm 2.2323 in; d₂:54.9 mm 2.1614 in; D₁:65.3 mm 2.5709 in; C₁:3.53 mm 0.139 in; r_1,2 min.:0.6 mm 0.0236 in; r_3,4 min.:0.3 mm 0.0118 in; d_a min.:53.2 mm 2.0945 in; d_b min.:52 mm 2.0472 in; D_a max.:68.8 mm 2.7087 in; D_b max.:70 mm 2.7559 in; r_a max.:0.6 mm 0.0236 in; r_b max.:0.3 mm 0.0118 in; d_n:58.4 mm 2.2992 in; Basic dynamic load rating C:12.7 kN; Basic static load rating C₀:8.65 kN; Fatigue load limit P_u:0.365 kN; Attainable speed for grease lubrication:26000 r/min; Attainable speed for oil-air lubrication:40000 r/min; Ball diameter D_w:7.144 mm 0.2813 in; Number of balls z:21; Reference grease quantity G_ref:1.7 cm³; Preload class A G_A:69 N; Static axial stiffness, preload class A:38 N/µm; Preload class B G_B:210 N; Static axial stiffness, preload class B:61 N/µm; Preload class C G_C:410 N; Static axial stiffness, preload class C:83 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:1.08; Calculation factor f_HC:1; Calculation factor f₀:8.4; Mass bearing:0.13 kg;

d:50 mm 1.9685 in; D:72 mm 2.8346 in; B:12 mm 0.4724 in; d₁:57.1 mm 2.248 in; d₂:57.1 mm 2.248 in; D₂:67.12 mm 2.6425 in; r_1,2 min.:0.6 mm 0.0236 in; r_3,4 min.:0.3 mm 0.0118 in; a:14.2 mm 0.5591 in; d_a min.:53.2 mm 2.0945 in; d_a max.:56.6 mm 2.2283 in; d_b min.:53.2 mm 2.0945 in; d_b max.:56.6 mm 2.2283 in; D_a max.:68.8 mm 2.7087 in; D_b max.:70.6 mm 2.7795 in; r_a max.:0.6 mm 0.0236 in; r_b max.:0.3 mm 0.0118 in; Basic dynamic load rating C:13.5 kN; Basic static load rating C₀:10.4 kN; Fatigue load limit P_u:0.44 kN; Attainable speed for grease lubrication:22000 r/min; Ball diameter D_w:6.35 mm 0.25 in; Number of balls z:25; Preload class A G_A:50 N; Static axial stiffness, preload class A:47 N/µm; Preload class B G_B:100 N; Static axial stiffness, preload class B:63 N/µm; Preload class C G_C:200 N; Static axial stiffness, preload class C:87 N/µm; Preload class D G_D:400 N; Static axial stiffness, preload class D:122 N/µm; Calculation factor f:1.13; Calculation factor f₁:1; Calculation factor f_2A:1; Calculation factor f_2B:1.07; Calculation factor f_2C:1.12; Calculation factor f_2D:1.18; Calculation factor f_HC:1.04; Calculation factor f₀:10.7; Mass bearing:0.12 kg;

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: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:20 mm; D:37 mm; B:9 mm; d1:25.6 mm; d2:25.6 mm; D2:34.15 mm; r1,2 min.:0.3 mm; r3,4 min.:0.2 mm; a:8.4 mm; da min.:22 mm; da max.:25.1 mm; db min.:22 mm; db max.:25.1 mm; Da max.:35 mm; Db max.:35.6 mm; ra max.:0.3 mm; rb max.:0.2 mm; Basic dynamic load rating C:6.05 kN; Basic static load rating C

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: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: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

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: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: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; d1:82.3 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: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