SNR 71944HVUJ74A High precision angular contact ball bearings

Bearing number:71944 CD/HCP4A; Size (mm):300x220x38(mm); Brand:SKF; Bore Diameter (mm):300(mm); Outer Diameter (mm):220(mm); Width (mm):38(mm); d:220 mm 8.6614 in; D:300 mm 11.811 in; B:38 mm 1.4961 in; d₁:244.7 mm 9.6339 in; d₂:244.7 mm 9.6339 in; D₁:275.3 mm 10.8386 in; r_1,2 - min.:2.1 mm 0.0827 in; r_3,4 - min.:1 mm 0.0394 in; a:54 mm 2.126 in; d_a - min.:231 mm 9.0945 in; d_b - min.:231 mm 9.0945 in; D_a - max.:289 mm 11.378 in; D_b - max.:295 mm 11.6142 in; r_a - max.:2 mm 0.0787 in; r_b - max.:1 mm 0.0394 in; d_n:251.4 mm 9.8976 in; Basic dynamic load rating - C:221 kN; Basic static load rating - C₀:300 kN; Fatigue load limit - P_u:7.8 kN; Limiting speed for grease lubrication:5300 r/min; Limiting speed for oil lubrication:7500 mm/min; Ball - D_w:25.4 mm 1 in; Ball - z:29; G_ref:84 cm3; Calculation factor - f₀:16.5; Preload class A - G_A:850 N; Preload class B - G_B:1700 N; Preload class C - G_C:3400 N; Preload class D - G_D:6800 N; Calculation factor - f:1.28; Calculation factor - f: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; Preload class A:248 N/micron; Preload class B:340 N/micron; Preload class C:481 N/micron; Preload class D:705 N/micron; d₁:244.7 mm 9.6339 in; d₂:244.7 mm 9.6339 in; D₁:275.3 mm 10.8386 in; r_1,2 min.:2.1 mm 0.0827 in; r_3,4 min.:1 mm 0.0394 in; d_a min.:231 mm 9.0945 in; d_b min.:231 mm 9.0945 in; D_a max.:289 mm 11.378 in; D_b max.:295 mm 11.6142 in; r_a max.:2 mm 0.0787 in; r_b max.:1 mm 0.0394 in; d_n:251.4 mm 9.8976 in; Basic dynamic load rating C:221 kN; Basic static load rating C₀:300 kN; Fatigue load limit P_u:7.8 kN; Attainable speed for grease lubrication:5300 r/min; Attainable speed for oil-air lubrication:7500 r/min; Ball diameter D_w:25.4 mm 1 in; Number of balls z:29; Reference grease quantity G_ref:84 cm³; Preload class A G_A:850 N; Static axial stiffness, preload class A:248 N/µm; Preload class B G_B:1700 N; Static axial stiffness, preload class B:340 N/µm; Preload class C G_C:3400 N; Static axial stiffness, preload class C:481 N/µm; Preload class D G_D:6800 N; Static axial stiffness, preload class D:705 N/µm; Calculation factor f:1.28; 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 f₀:16.5; Mass bearing:5.56 kg;

Bearing number:71944 CD/P4A; Size (mm):300x220x38(mm); Brand:SKF; Bore Diameter (mm):300(mm); Outer Diameter (mm):220(mm); Width (mm):38(mm); d:220 mm 8.6614 in; D:300 mm 11.811 in; B:38 mm 1.4961 in; d₁:244.7 mm 9.6339 in; d₂:244.7 mm 9.6339 in; D₁:275.3 mm 10.8386 in; r_1,2 - min.:2.1 mm 0.0827 in; r_3,4 - min.:1 mm 0.0394 in; a:54 mm 2.126 in; d_a - min.:231 mm 9.0945 in; d_b - min.:231 mm 9.0945 in; D_a - max.:289 mm 11.378 in; D_b - max.:295 mm 11.6142 in; r_a - max.:2 mm 0.0787 in; r_b - max.:1 mm 0.0394 in; d_n:251.4 mm 9.8976 in; Basic dynamic load rating - C:221 kN; Basic static load rating - C₀:300 kN; Fatigue load limit - P_u:7.8 kN; Limiting speed for grease lubrication:4300 r/min; Limiting speed for oil lubrication:6300 mm/min; Ball - D_w:25.4 mm 1 in; Ball - z:29; G_ref:84 cm3; Calculation factor - f₀:16.5; Preload class A - G_A:850 N; Preload class B - G_B:1700 N; Preload class C - G_C:3400 N; Preload class D - G_D:6800 N; Calculation factor - f:1.28; Calculation factor - f: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; Preload class A:224 N/micron; Preload class B:306 N/micron; Preload class C:434 N/micron; Preload class D:635 N/micron; Category:Precision Ball Bearings; BDI Inventory:0.0; Manufacturer Name:SKF; Minimum Buy Quantity:N/A; Weight / Kilogram:7.59; Product Group - BDI:B04270; Enclosure:Open; Precision Class:ABEC 7 | ISO P4; Material - Ball:Steel; Number of Bearings:1 (Single); Contact Angle:15 Degree; Preload:None; Raceway Style:1 Rib Outer Ring; Cage Material:Phenolic; Rolling Element:Ball Bearing; Flush Ground:No; Inch - Metric:Metric; Other Features:Single Row | Angular Contact | High Precision; Long Description:220MM Bore; 300MM Outside Diameter; 38MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Steel Ball Material; 1 (Single) Bearings; 15 Degree Contact Angle; Phenolic Cage Material; 1 Rib Outer Ring Raceway Type; Ball Bearing; Category - BDI:Precision Ball Bearings; UNSPSC:31171531; Harmonized Tariff Code:8482.10.50.28; Noun:Bearing; Keyword String:Angular Contact Ball; Manufacturer URL:http://www.skf.com; Manufacturer Item Number:71944 CD/P4A; Weight / LBS:16.711; Outside Diameter:11.811 Inch | 300 Millimeter; Bore:8.661 Inch | 220 Millimeter; Width:1.496 Inch | 38 Millimeter; d₁:244.7 mm 9.6339 in; d₂:244.7 mm 9.6339 in; D₁:275.3 mm 10.8386 in; r_1,2 min.:2.1 mm 0.0827 in; r_3,4 min.:1 mm 0.0394 in; d_a min.:231 mm 9.0945 in; d_b min.:231 mm 9.0945 in; D_a max.:289 mm 11.378 in; D_b max.:295 mm 11.6142 in; r_a max.:2 mm 0.0787 in; r_b max.:1 mm 0.0394 in; d_n:251.4 mm 9.8976 in; Basic dynamic load rating C:221 kN; Basic static load rating C₀:300 kN; Fatigue load limit P_u:7.8 kN; Attainable speed for grease lubrication:4300 r/min; Attainable speed for oil-air lubrication:6300 r/min; Ball diameter D_w:25.4 mm 1 in; Number of balls z:29; Reference grease quantity G_ref:84 cm³; Preload class A G_A:850 N; Static axial stiffness, preload class A:224 N/µm; Preload class B G_B:1700 N; Static axial stiffness, preload class B:306 N/µm; Preload class C G_C:3400 N; Static axial stiffness, preload class C:434 N/µm; Preload class D G_D:6800 N; Static axial stiffness, preload class D:635 N/µm; Calculation factor f:1.28; 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 f₀:16.5; Mass bearing:6.6 kg;

d:17 mm; D:30 mm; B:7 mm; d1:21 mm; d2:20.05 mm; D1:26.65 mm; D2:27.25 mm; a:9 mm; Contact angle α:25 °; rs min:0.3 mm; r1s min:0.3 mm; f0:8.14; Precision class:P4S; Mass:0.02 kg; Brand:SNR; Dynamic load, C:2.05 kN; Static load, C0:1.02 kN; Fatigue limit load, Cu:0.08 kN; Nlim (oil):83,000 rpm; Nlim

d:120 mm; D:180 mm; B:28 mm; d1:139.4 mm; D1:160 mm; D2:168.91 mm; a:49 mm; Contact angle α:25 °; rs min:2 mm; r1s min:1 mm; f0:16.27; Precision class:P4; Mass:2.15 kg; Brand:SNR; Dynamic load, C:94.8 kN; Static load, C0:103 kN; Fatigue limit load, Cu:4.75 kN; Nlim (oil):19,000 rpm; Nlim (grease):9,

d:12 mm; D:28 mm; B:8 mm; d1:16.65 mm; D1:23.4 mm; D2:25.22 mm; a:7 mm; Contact angle α:15 °; rs min:0.3 mm; r1s min:0.3 mm; f0:12.51; Precision class:P4; Mass:0.02 kg; Brand:SNR; Dynamic load, C:5.9 kN; Static load, C0:3 kN; Fatigue limit load, Cu:0.18 kN; Nlim (oil):110,000 rpm; Nlim (grease):73,0

d:70 mm; D:110 mm; B:20 mm; d1:83.6 mm; d2:80.5 mm; D1:96.4 mm; D2:102.7 mm; a:22.1 mm; Contact angle α:15 °; rs min:1.1 mm; r1s min:0.6 mm; f0:15.7; Precision class:P42; Mass:0.61 kg; Brand:NTN; Dynamic load, C:48.5 kN; Static load, C0:45 kN; Nlim (oil):20,800 rpm; Nlim (grease):13,000 rpm; Preload

d:120 mm; D:165 mm; B:22 mm; d1:134.3 mm; D1:150.65 mm; D2:157.34 mm; a:44 mm; Contact angle α:25 °; rs min:0.6 mm; r1s min:0.6 mm; f0:16.74; Precision class:P4; Mass:1.18 kg; Brand:SNR; Dynamic load, C:63.5 kN; Static load, C0:74.6 kN; Fatigue limit load, Cu:3.5 kN; Nlim (oil):11,000 rpm; Nlim (gre

d:85 mm; D:130 mm; B:22 mm; d1:99.3 mm; D1:115.7 mm; D2:122.49 mm; a:25 mm; Contact angle α:15 °; rs min:1.1 mm; r1s min:0.6 mm; f0:15.88; Precision class:P4; Mass:0.89 kg; Brand:SNR; Dynamic load, C:60.2 kN; Static load, C0:58.7 kN; Fatigue limit load, Cu:3 kN; Nlim (oil):16,500 rpm; Nlim (grease):

d:120 mm; D:180 mm; B:28 mm; d1:139.4 mm; D1:160.6 mm; D2:168.91 mm; a:49 mm; Contact angle α:25 °; rs min:2 mm; r1s min:1 mm; f0:16.27; Precision class:P4; Mass:2.13 kg; Brand:SNR; Dynamic load, C:94.8 kN; Static load, C0:103 kN; Fatigue limit load, Cu:4.75 kN; Nlim (oil):10,500 rpm; Nlim (grease):

d:150 mm; D:225 mm; B:35 mm; d1:174.2 mm; D1:200.82 mm; D2:212.32 mm; a:61 mm; Contact angle α:25 °; rs min:2.1 mm; r1s min:1 mm; f0:16.22; Precision class:P4; Mass:4.16 kg; Brand:SNR; Dynamic load, C:147 kN; Static load, C0:167 kN; Fatigue limit load, Cu:6.8 kN; Nlim (oil):8,500 rpm; Nlim (grease):

d:75 mm; D:115 mm; B:20 mm; d1:88.6 mm; d2:85.5 mm; D1:101.4 mm; D2:107.7 mm; a:32.3 mm; Contact angle α:25 °; rs min:1.1 mm; r1s min:0.6 mm; f0:16.1; Precision class:P42; Mass:0.64 kg; Brand:NTN; Dynamic load, C:47 kN; Static load, C0:45.5 kN; Nlim (oil):17,300 rpm; Nlim (grease):10,700 rpm; Preloa

d:75 mm; D:105 mm; B:16 mm; d1:84.7 mm; D1:95.3 mm; D2:100.14 mm; a:20 mm; Contact angle α:15 °; rs min:0.6 mm; r1s min:0.3 mm; f0:16.55; Precision class:P4; Mass:0.35 kg; Brand:SNR; Dynamic load, C:28.9 kN; Static load, C0:30.5 kN; Fatigue limit load, Cu:1.66 kN; Nlim (oil):19,500 rpm; Nlim (grease

d:25 mm; D:47 mm; B:12 mm; d1:32.6 mm; d2:30.9 mm; D1:39.4 mm; D2:42.8 mm; a:14.5 mm; Contact angle α:25 °; rs min:0.6 mm; r1s min:0.3 mm; f0:14.9; Precision class:P42; Mass:0.08 kg; Brand:NTN; Dynamic load, C:11.7 kN; Static load, C0:7.65 kN; Nlim (oil):45,600 rpm; Nlim (grease):28,200 rpm; Preload

d:55 mm; D:80 mm; B:13 mm; d1:63.1 mm; d2:61.15 mm; D1:73.71 mm; D2:75.31 mm; a:22 mm; Contact angle α:25 °; rs min:1 mm; r1s min:0.3 mm; f0:8.62; Precision class:P4S; Mass:0.18 kg; Brand:SNR; Dynamic load, C:9.5 kN; Static load, C0:7.2 kN; Fatigue limit load, Cu:0.41 kN; Nlim (oil):29,000 rpm; Nlim

d:17 mm; D:40 mm; B:12 mm; d1:24.1 mm; D1:32.95 mm; D2:35.98 mm; a:13 mm; Contact angle α:25 °; rs min:0.6 mm; r1s min:0.3 mm; f0:13.22; Precision class:P4; Mass:0.06 kg; Brand:SNR; Dynamic load, C:10.9 kN; Static load, C0:6 kN; Fatigue limit load, Cu:0.35 kN; Nlim (oil):51,000 rpm; Nlim (grease):33

d:100 mm; D:140 mm; B:20 mm; d1:112.8 mm; D1:127.2 mm; D2:133.36 mm; a:26 mm; Contact angle α:15 °; rs min:0.6 mm; r1s min:0.6 mm; f0:16.5; Precision class:P4; Mass:0.8 kg; Brand:SNR; Dynamic load, C:51 kN; Static load, C0:56.5 kN; Fatigue limit load, Cu:2.75 kN; Nlim (oil):14,500 rpm; Nlim (grease)

d:50 mm; D:80 mm; B:16 mm; d1:60.3 mm; d2:58 mm; D1:69.7 mm; D2:74.4 mm; a:16.8 mm; Contact angle α:15 °; rs min:1 mm; r1s min:0.6 mm; f0:15.7; Precision class:P42; Mass:0.26 kg; Brand:NTN; Dynamic load, C:26.9 kN; Static load, C0:23.1 kN; Nlim (oil):28,800 rpm; Nlim (grease):18,000 rpm; Preload lev