SKF 71909 CB/HCP4AL Super Precision Bearings

Bearing number:B71909-C-T-P4S; Size (mm):45x68x12(mm); Brand:FAG; Bore Diameter (mm):45(mm); Outer Diameter (mm):68(mm); Width (mm):12(mm); d:45 mm 1.7717 in; D:68 mm 2.6772 in; B:12 mm 0.4724 in; a:14 mm 0.5512 in; D_a:63,5 mm / Tolerance: H12 2.5 in; d_a:50 mm / Tolerance: h12 1.9685 in; r_{1 min}:0,6 mm 0.0236 in; r_{a max}:0,6 mm 0.0236 in; r_{a1 max}:0,6 mm 0.0236 in; r_min:0,6 mm 0.0236 in; α:15 ° / Angle; m:0,117 kg / Weight; C_r:19100 N / Dynamic load rating (radial); C_0r:11200 N / Static load rating (radial); n_{G Fett}:20000 1/min / Limiting speed for grease lubrication; n_{G Ol}:32000 1/min / Limiting speed for minimal quantity oil lubrication;

d:45 mm 1.7717 in; D:68 mm 2.6772 in; B:12 mm 0.4724 in; d₁:53.45 mm 2.1043 in; d₂:52.4 mm 2.063 in; D₂:61.8 mm 2.4331 in; b:2 mm 0.0787 in; C₁:5.9 mm 0.2323 in; C₂:2.8 mm 0.1102 in; C₃:1.7 mm 0.0669 in; r_1,2 min.:0.6 mm 0.0236 in; r_3,4 min.:0.3 mm 0.0118 in; a:16.1 mm 0.6339 in; d_a min.:48.2 mm 1.8976 in; d_b min.:48.2 mm 1.8976 in; D_a max.:64.8 mm 2.5512 in; D_b max.:66 mm 2.5984 in; r_a max.:0.6 mm 0.0236 in; r_b max.:0.3 mm 0.0118 in; d_n:54.2 mm 2.1339 in; Basic dynamic load rating C:9.95 kN; Basic static load rating C₀:9.65 kN; Fatigue load limit P_u:0.245 kN; Attainable speed for grease lubrication:32000 r/min; Attainable speed for oil-air lubrication:50000 r/min; Ball diameter D_w:4.762 mm 0.1875 in; Number of balls z:27; Reference grease quantity G_ref:1.75 cm³; Preload class A G_A:24 N; Static axial stiffness, preload class A:32 N/µm; Preload class B G_B:48 N; Static axial stiffness, preload class B:41 N/µm; Preload class C G_C:145 N; Static axial stiffness, preload class C:66 N/µm; Calculation factor f:1.08; Calculation factor f₁:1; Calculation factor f_2A:1; Calculation factor f_2B:1.03; Calculation factor f_2C:1.08; Calculation factor f_HC:1.01; Calculation factor f₀:9.7; Mass bearing:0.13 kg;

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: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: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: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: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: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

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: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: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:150 mm; D:210 mm; B:28 mm; d1:168.5 mm; d2:168.5 mm; D1:191.5 mm; b:2.6 mm; C1:15.6 mm; C2:6.6 mm; C3:5.6 mm; r1,2 min.:2 mm; r3,4 min.:1 mm; a:56.1 mm; da min.:159 mm; db min.:159 mm; Da max.:201 mm; Db max.:205 mm; ra max.:2 mm; rb max.:1 mm; dn:173.5 mm; Basic dynamic load rating C:108 kN; Basi

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: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: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: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