SNR 71944HVUJ74A Precision 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:35 mm; B:10 mm; d1:22.65 mm; d2:21.4 mm; D1:30.45 mm; D2:31.05 mm; a:11 mm; Contact angle α:25 °; rs min:0.3 mm; r1s min:0.3 mm; f0:7.82; Precision class:P4S; Mass:0.04 kg; Brand:SNR; Dynamic load, C:3.55 kN; Static load, C0:1.68 kN; Fatigue limit load, Cu:0.1 kN; Nlim (oil):75,000 rpm; N

d:45 mm; D:68 mm; B:12 mm; d1:52.3 mm; d2:50.2 mm; D1:61.51 mm; D2:63.01 mm; a:19 mm; Contact angle α:25 °; rs min:0.6 mm; r1s min:0.3 mm; f0:8.58; Precision class:P4S; Mass:0.13 kg; Brand:SNR; Dynamic load, C:6.9 kN; Static load, C0:4.95 kN; Fatigue limit load, Cu:0.32 kN; Nlim (oil):35,000 rpm; Nl

d:20 mm; D:37 mm; B:9 mm; d1:25.1 mm; d2:23.9 mm; D1:32.15 mm; D2:33.45 mm; a:9 mm; Contact angle α:17 °; rs min:0.3 mm; r1s min:0.3 mm; f0:7.88; Precision class:P4S; Mass:0.04 kg; Brand:SNR; Dynamic load, C:3.85 kN; Static load, C0:1.9 kN; Fatigue limit load, Cu:0.11 kN; Nlim (grease):56,000 rpm; A

d:120 mm; D:180 mm; B:28 mm; d1:139.4 mm; D1:160.6 mm; D2:168.91 mm; a:34 mm; Contact angle α:15 °; rs min:2 mm; r1s min:1 mm; f0:16.1; Precision class:P4; Mass:2.15 kg; Brand:SNR; Dynamic load, C:100 kN; Static load, C0:109 kN; Fatigue limit load, Cu:4.75 kN; Nlim (oil):11,500 rpm; Nlim (grease):7,

d:240 mm; D:320 mm; B:38 mm; d1:266.7 mm; D1:293.33 mm; D2:304.97 mm; a:84 mm; Contact angle α:25 °; rs min:2.1 mm; r1s min:1 mm; f0:17.08; Precision class:P4; Mass:7.27 kg; Brand:SNR; Dynamic load, C:171 kN; Static load, C0:252 kN; Fatigue limit load, Cu:8.5 kN; Nlim (oil):5,700 rpm; Nlim (grease):

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:35 mm; D:55 mm; B:10 mm; d1:41.6 mm; d2:39.9 mm; D1:48.4 mm; D2:51.7 mm; a:11.1 mm; Contact angle α:15 °; rs min:0.6 mm; r1s min:0.3 mm; f0:15.5; Precision class:P42; Mass:0.07 kg; Brand:NTN; Dynamic load, C:13.7 kN; Static load, C0:10.3 kN; Nlim (oil):41,700 rpm; Nlim (grease):26,000 rpm; Preload

d:110 mm; D:150 mm; B:20 mm; d1:122.8 mm; D1:137.2 mm; D2:143.27 mm; a:40 mm; Contact angle α:25 °; rs min:0.6 mm; r1s min:0.6 mm; f0:16.81; Precision class:P4; Mass:0.86 kg; Brand:SNR; Dynamic load, C:49.7 kN; Static load, C0:58.3 kN; Fatigue limit load, Cu:2.85 kN; Nlim (oil):12,500 rpm; Nlim (gre

d:30 mm; D:55 mm; B:13 mm; d1:38.1 mm; D1:46.95 mm; D2:50.42 mm; a:16 mm; Contact angle α:25 °; rs min:1 mm; r1s min:0.6 mm; f0:15.11; Precision class:P4; Mass:0.11 kg; Brand:SNR; Dynamic load, C:15.6 kN; Static load, C0:11.2 kN; Fatigue limit load, Cu:0.62 kN; Nlim (oil):38,000 rpm; Nlim (grease):2

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:30 mm; D:55 mm; B:13 mm; d1:39.2 mm; d2:37.3 mm; D1:46.9 mm; D2:50.7 mm; a:12.3 mm; Contact angle α:15 °; rs min:1 mm; r1s min:0.6 mm; f0:14.9; Precision class:P42; Mass:0.11 kg; Brand:NTN; Dynamic load, C:15.8 kN; Static load, C0:11 kN; Nlim (oil):43,600 rpm; Nlim (grease):27,200 rpm; Preload lev

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

d:50 mm; D:72 mm; B:12 mm; d1:57.2 mm; d2:55.3 mm; D1:64.9 mm; D2:68.5 mm; a:14.2 mm; Contact angle α:15 °; rs min:0.6 mm; r1s min:0.3 mm; f0:16.1; Precision class:P42; Mass:0.13 kg; Brand:NTN; Dynamic load, C:18.9 kN; Static load, C0:16.6 kN; Nlim (oil):30,700 rpm; Nlim (grease):19,200 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:17 mm; Contact angle α:17 °; rs min:1 mm; r1s min:0.3 mm; f0:8.57; Precision class:P4S; Mass:0.18 kg; Brand:SNR; Dynamic load, C:10 kN; Static load, C0:7.6 kN; Fatigue limit load, Cu:0.41 kN; Nlim (oil):33,000 rpm; Nlim

d:35 mm; D:62 mm; B:14 mm; d1:43.2 mm; D1:53.1 mm; D2:57.47 mm; a:13 mm; Contact angle α:15 °; rs min:1 mm; r1s min:0.6 mm; f0:14.97; Precision class:P4; Mass:0.15 kg; Brand:SNR; Dynamic load, C:19.9 kN; Static load, C0:14.6 kN; Fatigue limit load, Cu:0.81 kN; Nlim (oil):36,000 rpm; Nlim (grease):24