Product Details

NNU4072 NTN Tapered Roller Bearing

Brand Name NTN
Model Number NNU4072
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

No.BrandhKBGbaCf
4R3429NTN - - 46 mm - - - - -
NNU4928NTN - - 45 mm - - - - -
4R3818NTN - - 140 mm - - 321 mm - -
NN3944KNTN - - 33 mm - 3.1 mm - 4.9 mm -
NNU3022KNTN45.244 mm - - - - - - -
NNU4856KNTN - - 76.5 mm - - 43 mm69 mm -
NNU4936KNTN - - - - - - - -
NN3038KNTN - - 1.8 mm - - - - 6 mm
4R4425NTN - - 33.3 mm - - - - -
NN3022KNTN - - 45 mm - - - - -
NN30/600NTN - - - - - - - -
4R3229NTN - - 78 mm - - - - -
NNU3856NTN - - 145 mm - - - - -
4R3821NTN79.375 mm - - - - - - -
NN3088KNTN51.594 mm - - - - - - -
NNU3088NTN - - 45 mm - - - - -
NN4968KNTN - - 70 mm - - - - -
NNU4922NTN2 mm - 9 mmM 12x13 mm - - -
NNU4972KNTN - - 88.9 mm - 10.5 mm - 76.2 mm -
NNU4922KNTN - - 102.394 mm - - - - -
NN3064KNTN - - - - - - - -
NN3936NTN - 12 mm375 mm - 22.3 mm - - -
NNU4964KNTN - - - - - - - -
NNU30/56NTN - - 35 mm - - - - -
NN4922KNTN - - - - - - - -

 

NN30/600R2:33.337 mm; A1:158.75 mm; A2:225.425 mm; P60°:345 kN; P180°:145 kN; J min.:441.325 mm; P90°:207 kN; Housing:SAFS 532; H:338.137 mm; PosiTrac Plus contact element:2 x B10724-130; H2:66.675 mm; Ca:89.789 mm; Labyrinth ring:2 x LOR 131; P120°:133 kN; Max. speed for PosiTrac Plus seal:1050 r/min; RG:3/4 NPT; R1:104.775 mm; J1:95.25 mm; H1:169.875 mm; J max.:488.95 mm;
4R4419 NTN Cylindrical Roller BearingWeight:0.023 kg; ra (max):0.3 mm; Static Load Rating:2,390 N; B:8 mm; da (min):14 mm; Radial Clearance:0.011 to 0.025 mm; Da (max):26 mm; d:12 mm; D:28 mm; Factor fo:13.2; Bore Type:Cylindrical Bore; Dynamic Load Rating:5,100 N; Configuration:Single Row; Limiting Speed - Grease:28,000 rpm; Enclosure:Double Seal;
NN3972Dimension series:25800; Cb min.:4.5 mm; rb max.:2.3 mm; Mass bearing:0.46 kg; r1,2 min.:1.5 mm; Db min.:67 mm; a:15.36 mm; db min.:45 mm; d:36.487 mm; Da min.:62 mm; ra max.:1.5 mm; B:24.608 mm; Ca min.:5 mm; D:73.025 mm; da max.:44 mm; Calculation factor e:0.3; Fatigue load limit Pu:9.8 kN; Basic static load rating C0:88 kN; Reference speed:8000 r/min; d1 ≈:52.5 mm;
NN302 NTN Tapered Roller BearingFatigue load limit Pu:137 kN; Ba min.:20 mm; d3:180 mm; da max.:171 mm; Calculation factor Y0:2; Basic dynamic load rating C:1132 kN; D1 ≈:243 mm; d1:135 mm; K:6 mm; Calculation factor e:0.33; Basic static load rating C0:1460 kN; B:96 mm; B1:139 mm; Calculation factor Y1:2; r1,2 min.:3 mm; db min.:163 mm; d2 ≈:171 mm; B4:26 mm; b:11.1 mm; Calculation factor Y2:3;
NN3072r1 max.:0.8 mm; Mass needle roller:1.16 g; Dw:4 mm; Lw:11.8 mm; r2 max.:1 mm; r1,2 min.:0.3 mm;
NN3076Taconite seal:TER 160; Cap bolt, SAE grade:5; RG:1 NPT; Da:359.999 mm; J min.:571.5 mm; R2:46.038 mm; J max.:635 mm; R1:122.237 mm; Stabilizing ring:SR-40-34; End plug (suffix Y):EPR 21; Initial grease fill:2154.6 g; Max. speed for Taconite seal:425 r/min; H:422.275 mm; J1:127 mm; Housing:SAW 540; P90°:218 kN; Eye bolt:2 x 3/8-16 UNC; da:184.15 mm; Appropriate attachment bolt size G:1.25 in; Cap bolt recommended tightening torque:271.2 N·m;
NN3936K NTN Cylindrical Roller Bearingd:120 mm; Basic static load rating C0:480 kN; da min.:126 mm; rb max.:1 mm; B:45 mm; r3,4 min.:1.1 mm; D:165 mm; ra max.:1 mm; Calculation factor kr:0.25; Fatigue load limit Pu:53 kN; Basic dynamic load rating C:242 kN; d1 ≈:139 mm; s max.:3 mm; Mass bearing:2.9 kg; das:136 mm; Reference speed:1700 r/min; D1 ≈:148 mm; Limiting speed:2200 r/min; K:3.5 mm; b1:6 mm;
4R2438 NTN Cylindrical Roller BearingStabilizing ring:SR-40-34; P180°:222 kN; da:180.975 mm; P60°:557 kN; P150°:185 kN; Ca:107.798 mm; End plug (suffix Y):EPR 21; S:4.763 mm; Max. speed for PosiTrac Plus seal:800 r/min; P120°:207 kN; ba:83.344 mm; A1:203.2 mm; R2:42.862 mm; L:749.3 mm; Cap bolt recommended tightening torque:2467.6 N·m; Da:359.999 mm; Pa:58.7 kN; R1:122.237 mm; P90°:334 kN; Eye bolt:2 x 1/2-13 UNC;
NNU49/530Calculation factor Y0:0.38; Basic static load rating C0:56 kN; d2 ≈:69.299 mm; rb max.:1 mm; B:22 mm; Calculation factor X:0.67; D:110 mm; Db max.:104 mm; Calculation factor Y2:1.41; Calculation factor Y1:0.92; da min.:69 mm; ra max.:1.5 mm; r1,2 min.:1.5 mm; Limiting speed:11000 r/min; Calculation factor kr:0.095; r3,4 min.:1 mm; a:30 mm; Mass bearing:0.8 kg;
NN3928 NTN Tapered Roller BearingDynamic Load Rating:96,500 N; db (min):83.5 mm; dc (min):90 mm; r1:1.5 mm; d:75 mm; Fillet Radius/Chamfer:1.5 mm; Da (max):121.5 mm; Bore Type:Cylindrical Bore; Limiting Speed - Oil:6,000 rpm; Configuration:Single Row; Static Load Rating:111,000 N; Inside Ring Outside Diameter:88.5 mm; Enclosure:Open; ra1 (max):1.5 mm; Radial Clearance:0.065 to 0.100 mm; ra (max):1.5 mm; dd (min):96 mm; db (max):87 mm;
NN4938K NTN Cylindrical Roller BearingJ1:127 mm; H2:85.725 mm; P90°:218 kN; Appropriate attachment bolt size G:1.25 in; Stabilizing ring:SR-40-34; L:749.3 mm; Ca:129.794 mm; H:422.275 mm; J min.:571.5 mm; A1:203.2 mm; Pa:93.9 kN; Housing:SAF 334; Cap bolt recommended tightening torque:271.2 N·m; Cap bolt:4 x 7/8-9 UNC; P150°:120 kN; R1:122.237 mm; da:170 mm; A2:285.75 mm; Labyrinth ring (db shaft position):LOR 161; Max. speed for PosiTrac Plus seal:760 r/min;
NN3080K NTN Cylindrical Roller BearingDb max.:611 mm; D:620 mm; Da max.:602 mm; a:263 mm; Calculation factor e:1.14; Fatigue load limit Pu:20 kN; Calculation factor Y0:0.26; Mass bearing:88 kg; Calculation factor Y2:0.57; da min.:438 mm; ra max.:4 mm; d2 ≈:463.16 mm; Reference speed:1000 r/min; Basic static load rating C0:1060 kN; D1 ≈:546.7 mm; r3,4 min.:2 mm; rb max.:2 mm; r1,2 min.:5 mm;
NN4921 NTN Tapered Roller Bearingdb (max):134 mm; Weight:2.510 kg; Static Load Rating:191,000 N; Da (max):170 mm; ra (max):2 mm; B:28 mm; r1:1.1 mm; Radial Clearance:0.085 to 0.125 mm; Dynamic Load Rating:139,000 N; Limiting Speed - Grease:3,400 rpm; Fillet Radius/Chamfer:2 mm; db (min):127 mm; d:120 mm; Configuration:Single Row; Limiting Speed - Oil:4,300 rpm; Enclosure:Open; Bore Type:Cylindrical Bore; ra1 (max):1 mm; dc (min):138 mm;
NNU4964K NTN Cylindrical Roller BearingCenter Guidance:Fixed Inner Ring Rib; da (min):204 mm; Hole Diameter (do):12 mm; Weight:42.000 kg; Radial Clearance:0.160 to 0.220 mm; Axial Load Factor Y0:1.64; Retainer Material:Machined Brass; d:190 mm; Nr. of Holes:6; Configuration:Double Row; Enclosure:Open; Axial Load Factor Y1:1.68; Da (max):306 mm; Groove Width A:26 mm; Dynamic Load Rating:1,900,000 N; Static Load Rating:2,380,000 N; Bore Type:Tapered Bore;

 

 

NNU4072 NTN Tapered Roller Bearing Video

 

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