Product Details

NNU49/56 NTN Tapered Roller Bearing

Brand Name NTN
Model Number NNU49/56
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

 

NN496 NTN Tapered Roller BearingJ6:770 mm; db:300 mm; Da:500 mm; Bearing (basic designation):23256; H:591 mm; Mass housing:301 kg; P180°:2400 kN; bc:175.5 mm; Pa:1500 kN; N4 max.:25 mm; Labyrinth seal:2 x TS 68/300; Initial grease fill, 20%:3.9 kg; Initial grease fill, 40%:5.6 kg; bb:129 mm; Eye bolt, size:2 x M 30; P120°:2200 kN; P90°:2900 kN; Appropriate attachment bolt, size G:36 mm; A:350 mm; J:710 mm;
NN3048K NTN Cylindrical Roller BearingAttachment bolt diameter G:22.225 mm; H1:95.25 mm; da:88.9 mm; L:355.6 mm; H:190.5 mm; H2:57.15 mm; Mass bearing unit:16.1 kg; J max.:290.512 mm; Limiting speed:2600 r/min; Basic dynamic load rating C:325 kN; B:80.169 mm; S:0.794 mm; A:92.075 mm; J min.:268.288 mm; s:40.084 mm;
NNU4996K NTN Cylindrical Roller Bearingda min.:92.7 mm; C:66.675 mm; b:10.5 mm; α:9 °; Lubricant:Maintenance free &nd; Specific dynamic load factor K:150 N/mm²; d:82.55 mm; M:6.5 mm; B:82.931 mm; Sealing solution:Triple-lip seals; da max.:97.5 mm; r1 min.:2 mm; Da min.:122.8 mm; Specific static load factor K0:300 N/mm²; Mass plain bearing:5.6 kg; r2 min.:1 mm; Material constant KM:330; Da max.:133.8 mm; Design (sliding contact surface combination):Steel/steel;
NN3068 NTN Tapered Roller BearingE:1635 mm; da min.:1284 mm; B:290 mm; Da min.:1650 mm; d:1250 mm; Da max.:1716 mm; r1,2 min.:9.5 mm; Limiting speed:200 r/min; D:1750 mm; Mass bearing:2320 kg; s max.:16.4 mm; da max.:1625 mm; ra max.:8 mm; Basic static load rating C0:30500 kN; Fatigue load limit Pu:1760 kN; Reference speed:170 r/min; Calculation factor kr:0.14; d1 ≈:1435 mm; Basic dynamic load rating C:12800 kN; Limiting value e:0.3;
NNU4984K NTN Cylindrical Roller BearingH2:60.325 mm; R1:87.313 mm; H1:152.4 mm; S:4.763 mm; PG:1/4 NPT; da:140 mm; Taconite seal (dc shaft position):TER 127; Taconite seal (db shaft position):TER 144; Initial grease fill:481.95 g; H:298.45 mm; Pa:82.3 kN; P90°:180 kN; R2:38.1 mm; P150°:105 kN; P180°:127 kN; L:511.175 mm; A2:260.35 mm; P60°:301 kN; h:51.594 mm; Stabilizing ring:SR-28-0;
NN4944K NTN Cylindrical Roller BearingJ max.:279.4 mm; P150°:28.5 kN; P90°:50.7 kN; R2:22.225 mm; PG:1/8 NPT; P60°:84.5 kN; Da:150 mm; Bearing limiting speed:5600 r/min; P180°:34.7 kN; Pa:7.12 kN; End plug (suffix Y):EPR 9; Mass pillow block:17.9 kg; ba:31.75 mm; H2:31.75 mm; N1:22.225 mm; Initial grease fill:218.29 g; Stabilizing ring:2 x SR-1517; Cap bolt, SAE grade:5; Ca:42.799 mm; Labyrinth ring:2 x LOR 52;
NNU4960K NTN Cylindrical Roller BearingMass bearing + sleeve:71.7 kg; Calculation factor e:0.25; Fatigue load limit Pu:200 kN; Basic static load rating C0:2360 kN; b:16.7 mm; D1 ≈:359 mm; d2 ≈:257 mm; db min.:233 mm; r1,2 min.:4 mm; Calculation factor Y1:2.7; K:9 mm; ra max.:3 mm; Da max.:383 mm; d1:200 mm; Ba min.:21 mm; B:108 mm; D:400 mm; Calculation factor Y2:4; Calculation factor Y0:2.5; B4:35 mm;
NN3034 NTN Tapered Roller BearingDa min.:161.5 mm; rb max.:1.1 mm; Specific dynamic load factor K:150 N/mm²; Da max.:168.5 mm; da max.:130.5 mm; Design (sliding contact surface combination):Steel/PTFE fabric; Basic dynamic load rating C:1700 kN; da min.:123 mm; r1 min.:1 mm; Sealing solution:Triple-lip seals; Basic static load rating C0:3400 kN; Lubricant:Maintenance free &nd; α:6 °; C:85.725 mm; d:114.3 mm; D:177.8 mm;
NN3964 NTN Tapered Roller BearingBasic dynamic load rating C:19.8 kN; Ew:40 mm; Fatigue load limit Pu:4.65 kN; Basic static load rating C0:39 kN; Reference speed:12000 r/min; Mass needle roller and cage assembly:0.021 kg; U:17 mm; Fw:35 mm; Limiting speed:13000 r/min;
NNU3034KLabyrinth ring (db shaft position):LOR 161; da:170 mm; S:4.763 mm; P90°:207 kN; dc:163.512 mm; J1:107.95 mm; P60°:345 kN; Appropriate attachment bolt size G:1 in; P180°:113 kN; ba:74.612 mm; PG:1/4 NPT; db:188.912 mm; Housing:SAFS 234; P120°:127 kN; Da:309.999 mm; H2:69.85 mm; PosiTrac Plus contact element (dc shaft position):B10724-148; Cap bolt:1-8 UNC; H:360.363 mm; J min.:492.125 mm;
4R442 NTN Cylindrical Roller Bearingd3:1000 mm; G:Tr 800x7; G2:G 1/8; A:10 mm; Hydraulic nut:HMV 160E; B1:505 mm; B:112 mm; Mass adapter sleeve assembly:535 kg; d:800 mm; G3:13 mm; d1:750 mm; B5:141 mm;
NNU4988 NTN Tapered Roller Bearingh:22.225 mm; S:4.763 mm; Stabilizing ring:SR-7-6; P60°:18.2 kN; P120°:6.81 kN; Pa:1.78 kN; Max. speed for Taconite seal:2250 r/min; Initial grease fill:36.855 g; RG:1/8 NPT; P150°:6.09 kN; H1:50.8 mm; PG:1/8 NPT; ba:21.431 mm; A2:153.988 mm; Cap bolt recommended tightening torque:40.7 N·m; da:30.163 mm; H2:20.637 mm; A1:50.8 mm; H:98.822 mm; P180°:7.25 kN;
NNU4972 NTN Tapered Roller BearingDa:63.5 mm; Db:65 mm; Housing material:Composite; Hexagonal key size for grub screw N:2.5 mm; Basic static load rating C0:7.8 kN; B1:33 mm; d2:41.7 mm; Recommended tightening torque for grub screw:4.2 N·m; A5:18 mm; A1:15 mm; Recommended diameter for attachment bolts, mm G:10 mm; A3:3.2 mm; Mass bearing unit:0.29 kg; N:12.3 mm; s1:21 mm; Fatigue load limit Pu:0.335 kN; Basic dynamic load rating C:14 kN;
NNU3068 NTN Tapered Roller Bearingd1:52.7 mm; Static axial stiffness, preload class B:59 N/µm; Calculation factor fHC:1.01; Static axial stiffness, preload class C:81 N/µm; Attainable speed for grease lubrication:34000 r/min; K:0.5 mm; da min.:48.2 mm; d2:51 mm; Calculation factor f2C:1.09; C1:3.75 mm; ra max.:0.6 mm; dn:54.2 mm; Reference grease quantity Gref:1.5 cm³; r3,4 min.:0.3 mm; Ball diameter Dw:6.35 mm; Calculation factor f2A:1;
NN4934K NTN Cylindrical Roller BearingP120°:280 kN; P90°:370 kN; Limiting speed:2800 r/min; Grub screws:7 x M 6; H:216 mm; da:90 mm; Basic static load rating C0:375 kN; N1:26 mm; H1:112 mm; Calculation factor Y2:4.2; B:86 mm; Pa:35 kN; Grease quantity for relubrication:13 g; Mass bearing unit:21 kg; J:320 mm; J7:40 mm; Basic dynamic load rating C:325 kN; Attachment bolt diameter G:24 mm; A:110 mm; H2:40 mm;
4R3231 NTN Cylindrical Roller BearingAttachment bolt diameter G:15.875 mm; H:117.872 mm; A:58.737 mm; J max.:174.625 mm; A1:77.787 mm; B:73.025 mm; L:212.725 mm; s:25.4 mm; H1:57.15 mm; H2:34.925 mm; J min.:150.813 mm; Limiting speed:1450 r/min; d2:73.819 mm; Mass bearing unit:4.15 kg; S:0.794 mm; da:49.212 mm; Basic dynamic load rating C:84.5 kN;

 

 

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NNU49/56 NTN Tapered Roller Bearing Video

 

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