Product Details

NN303 NTN Tapered Roller Bearing

Brand Name NTN
Model Number NN303
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

 

4R3426 NTN Cylindrical Roller BearingD1 ≈:122 mm; s max.:3.5 mm; Limiting speed:7000 r/min; r1,2 min.:1.5 mm; D:140 mm; rb max.:1 mm; db min.:106 mm; Reference speed:6300 r/min; da max.:101 mm; da min.:96 mm; Basic dynamic load rating C:80.9 kN; Mass bearing:1.22 kg; Calculation factor kr:0.1; Basic static load rating C0:104 kN; r3,4 min.:1.1 mm; Fatigue load limit Pu:12.7 kN; B:24 mm; Da max.:133 mm; ra max.:1.5 mm; d:90 mm;
4R3431 NTN Cylindrical Roller Bearingdb min.:338 mm; d1:300 mm; d3:400 mm; r1,2 min.:5 mm; Fatigue load limit Pu:440 kN; Mass bearing + sleeve:192 kg; Limiting speed:260 r/min; D:540 mm; Basic static load rating C0:6100 kN; Calculation factor Y0:2.2; B5:56 mm; Basic dynamic load rating C:3929 kN; D1 ≈:483 mm; d2 ≈:361 mm; B1:226 mm; B2:42 mm; Da max.:520 mm; Calculation factor e:0.3; b:22.3 mm; da max.:361 mm;
NNU4948K NTN Cylindrical Roller Bearingd2 ≈:394 mm; Da min.:454 mm; r1,2 min.:5 mm; ra max.:4 mm; Mass bearing + sleeve:125 kg; da max.:425 mm; Limiting speed:1300 r/min; Basic static load rating C0:5000 kN; d3:400 mm; Ba min.:14 mm; B:133 mm; Ca min.:2.1 mm; Basic dynamic load rating C:2900 kN; d1:320 mm; db min.:355 mm; D:520 mm; B2:45 mm; B1:187 mm; Da max.:502 mm; Reference speed:950 r/min;
NN3926K NTN Cylindrical Roller BearingFatigue load limit Pu:1800 kN; F:550 mm; Basic static load rating C0:22000 kN; Design variant/feature:BC4.10/W33WI; Mass bearing:500 kg; K:12 mm; B:450 mm; D:680 mm; Basic dynamic load rating C:8250 kN; d:500 mm; Calculation factor kr:620; r3,4 min.:2 mm; D1 ≈:621.6 mm; b:22.3 mm; r1,2 min.:6 mm; C:450 mm;
NN4924K NTN Cylindrical Roller BearingMax. speed for Taconite seal:520 r/min; h:54.769 mm; Pa:43.6 kN; Appropriate attachment bolt size G:1 in; R1:115.888 mm; H2:69.85 mm; Mass pillow block:165 kg; End plug (suffix Y):EPR 18; Taconite seal:TER 138; Initial grease fill:878.85 g; P180°:133 kN; Cap bolt, SAE grade:8; R2:37.306 mm; H1:179.4 mm; Ca:95.809 mm; da:147.637 mm; Stabilizing ring:SR-34-0; S:4.763 mm; P120°:127 kN; L:628.65 mm;
4R3817 NTN Cylindrical Roller BearingCalculation factor Y2:2.3; 2B:92 mm; Basic static load rating C0:750 kN; da max.:90 mm; Limiting speed:4500 r/min; r5 min.:0.6 mm; T:92 mm; Fatigue load limit Pu:83 kN; Reference speed:3000 r/min; r3,4 min.:2 mm; b:13 mm; Ca min.:7 mm; D:140 mm; K:7.5 mm; rc max.:0.6 mm; Calculation factor Y0:1.6; Calculation factor Y1:1.6; Calculation factor e:0.43; Basic dynamic load rating C:527 kN; d:80 mm;
NN3126 NTN Tapered Roller BearingOil Holes:2 mm; Da:92 mm; D:100 mm; Static Load Rating:30.6 kN; B:13 mm; da:77 mm; Dynamic Load Rating:21.7 kN; Radius:0.6 mm; d:70 mm;
4R4614 NTN Cylindrical Roller BearingPosiTrac Plus contact element:2 x B10724-140; Ca:95.809 mm; H2:69.85 mm; End plug (suffix Y):EPR 18; Cap bolt, SAE grade:8; PG:1/4 NPT; Da:309.999 mm; Initial grease fill:878.85 g; A2:247.65 mm; A1:171.45 mm; Cap bolt recommended tightening torque:1220 N·m; P150°:113 kN; Max. speed for PosiTrac Plus seal:950 r/min; L:628.65 mm; S:4.763 mm; Stabilizing ring:SR-34-0; Eye bolt:2 x 3/8-16 UNC;
NNU3072 NTN Tapered Roller Bearingr1 min.:1 mm; l7 min.:73 mm; Basic dynamic load rating C:245 kN; C1 max.:39 mm; Material constant KM:330; d2 max.:137 mm; d:60 mm; Basic static load rating C0:360 kN; Specific dynamic load factor K:100 N/mm²; Mass rod end:5.7 kg; G:M 52x3; l2 max.:281 mm; dk:80 mm; h:210 mm; l1 min.:115 mm; α:6 °; B:44 mm;
4R3639 NTN Cylindrical Roller BearingCoefficient of friction µ min.:0.05; Specific dynamic load factor K:10 N/mm²; Specific static load factor K0:20 N/mm²; D:72 mm; Permissible sliding velocity v min.:0.25 m/s; d:60 mm; Tolerance housing:H7; Permissible sliding velocity v max.:5 m/s; Mass bushing:0.38 kg; B:60 mm; Coefficient of friction µ max.:0.1; Tolerance shaft:h8;
NN4934 NTN Tapered Roller BearingB:16.5 mm; F:45 mm; Mass inner ring:0.041 kg; r, r1,2 min.:0.3 mm; d:40 mm;
NN3948 NTN Tapered Roller BearingBasic static load rating C0:15.3 kN; Da:106.4 mm; d:35 mm; Housing material:Composite; A3:3.2 mm; J:92 mm; L:118 mm; B1:39.5 mm; N:14.8 mm; Recommended tightening torque for grub screw:7.4 N·m; Limiting speed:5300 r/min; Db:90 mm; Mass bearing unit:0.69 kg; Thread grub screw G2:M6; A:35 mm; Recommended diameter for attachment bolts, mm G:12 mm; Recommended diameter for attachment bolts, inch G:0.5 in;
NN30/600H:144.463 mm; J min.:209.55 mm; J max.:225.425 mm; Limiting speed:3100 r/min; A1:99.219 mm; Attachment bolt diameter G:15.875 mm; H1:69.85 mm; J1:47.625 mm; d2:101.6 mm; A:88.9 mm; B:85.725 mm; S:0.794 mm; s:31.75 mm; L:266.7 mm; da:63.5 mm; Basic dynamic load rating C:147 kN; Mass bearing unit:8.39 kg; H2:41.275 mm;
NN3896 NTN Tapered Roller BearingCa:45.796 mm; S:4.763 mm; H1:95.25 mm; PG:1/8 NPT; J min.:250.825 mm; Stabilizing ring:SR-17-14; Cap bolt recommended tightening torque:149.1 N·m; H:180.975 mm; P180°:34.7 kN; R2:22.225 mm; Mass pillow block:18 kg; A1:88.9 mm; Housing:SAF 517; H2:31.75 mm; h:34.925 mm; P90°:50.7 kN; Bearing limiting speed:5600 r/min; Cap bolt:2 x 5/8-11 UNC; P150°:28.5 kN; Labyrinth ring:2 x LOR 54;
4R3625 NTN Cylindrical Roller Bearingd1:42.862 mm; B:12.954 mm; Threads per inch:18; d3 max.:68.402 mm; Mass adapter sleeve assembly:0.39 kg; B1:60.554 mm; d:50 mm; Sleeve:S 110x1.11/16; B4:14.173 mm; Hydraulic nut:HMVC 10E; G:49.962 mm;
4R3432 NTN Cylindrical Roller BearingB1:425 mm; d:750 mm; Mass withdrawal sleeve:238 kg; G:Tr 800x7; Hydraulic nut:HMV 160 E; G1:60 mm; d1:710 mm; A:15 mm; G2:G 1/4; B2:441 mm;

 

 

No.BrandUEwbLNKC
4R4425NTN - - - - - - - -
NN4930KNTN - - - 4.6 mm - - - 25 mm
NN3938NTN - 673 mm - - - - - -
NNU4948KNTN - - - - - - - -
NNU3034NTN - - - - - - - -
NNU4944KNTN - - 90 mm - - - - -
NN4948NTN - - - - - - - -
NNU4938KNTN - - - - - - - 23 mm
NNU4968NTN - - - - - 11.5 mm - -
NN3020KNTN - - - - - - - -
4R4039NTN - - - - - 28 mm - -
NN3196NTN - - - - 234.95 mm - - -
NNU3856NTN - - - - - - - -
NN3088KNTN - - - 9.5 mm - - - 50 mm
NN4964KNTN - - - - 134 mm17.5 mm - -
NN3948KNTN - - - - 466.725 mm - - -
NN3040KNTN - - - - - - - 80 mm
NN306NTN - - 55 mm - - - - -
NN4956NTN - - 50 mm - - - - -
NNU4972KNTN - - - - 511.175 mm - - -
NN3026KNTN - - - - 57 mm - - -
4R4806NTN - - - - - 11 mm - -
NNU4968KNTN - - - - - - - -
4R2904NTN - - - - 70 mm12.3 mm - -
4R3036NTN - - - - 640 mm42 mm - -

 

NN303 NTN Tapered Roller Bearing Video

 

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