Product Details

NNU30/56 NTN Tapered Roller Bearing

Brand Name NTN
Model Number NNU30/56
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

No.BrandhKBGbaCf
NN3952KNTN86.5 mm - 140 mm - - 7 mm - -
NNU4934KNTN - - 24 mm - - - - -
NN4964KNTN - - - - - - - -
4R3228NTN - - 23 mm - - - - -
NNU496NTN - - 136 mm - - - 135 mm -
4R441NTN - - 43 mm - - - - -
NN4968KNTN - - 70 mm - - - - -
NN304NTN25 mm - 90 mmTr 710x750 mm - - -
NN3092NTN - 3 mm52 mm - 6 mm - - -
NNU49/75NTN - - 80 mm - - - - -
NN4968NTN - - 29.37 mm - - 25.893 mm23.02 mm -
NN3092KNTN - 4.5 mm46 mm - - - - -
4R3428NTN - - 32.004 mm219.151 mm - - - -
NN4920KNTN - - 6.25 mm - - - - -
NNU4072NTN - - 45 mm - - - - -
NN3932NTN - - - - - - - -
NN4948NTN - - 34 mm - - - - -
NNU4088NTN - - - - - - - -
NN4956NTN - - 11.5 mmM 35x1.5 - - - -
NNU4956KNTN - - 65.484 mm - - - - -

 

NNU4988 NTN Tapered Roller BearingD:165 mm; Configuration:Single Row; a (max):3.7 mm; Radial Clearance:0.036 to 0.066 mm; d:120 mm; Dx (min):173 mm; Bore Type:Cylindrical Bore; Fillet Radius/Chamfer:1.1 mm; Dynamic Load Rating:53,000 N; r1:0.5 mm; da (min):126 mm; Enclosure:Single Shield with S; b (min):1.9 mm; Limiting Speed - Oil:4,600 rpm; Weight:1.150 kg; ra (max):1 mm; Snap Ring Outside Diameter:171.5 mm; D1 (max):161.8 mm; Cy (max):5.1 mm;
NN3956K NTN Cylindrical Roller Bearingrc max.:1 mm; d1 ≈:105.5 mm; ra max.:3 mm; l:8 mm; Calculation factor e:0.35; Fatigue load limit Pu:62 kN; Cb min.:8 mm; Calculation factor Y0:1.8; K:3 mm; r5 min.:1 mm; a:66.359 mm; Basic static load rating C0:520 kN; r1,2 min.:3 mm; T:84 mm; d:70 mm; Calculation factor Y2:2.9; Limiting speed:4500 r/min; db min.:83 mm; D:150 mm; Db min.:140 mm;
NN3084K NTN Cylindrical Roller BearingFillet Radius/Chamfer:4 mm; dd (min):247 mm; Inside Ring Outside Diameter:231 mm; Static Load Rating:770,000 N; Bore Type:Cylindrical Bore; db (max):227 mm; Da (max):322 mm; ra1 (max):3 mm; r1:4 mm; Limiting Speed - Grease:1,800 rpm; Radial Clearance:0.140 to 0.195 mm; Limiting Speed - Oil:2,200 rpm; ra (max):3 mm; d:190 mm; db (min):208 mm; Enclosure:Open; dc (min):234 mm; Configuration:Single Row;
4R2628 NTN Cylindrical Roller BearingAxial Load Factor Y2:2.57; ra (max):2.5 mm; B:118 mm; Limiting Speed - Grease:1,350 rpm; Retainer Material:Machined Brass; Center Guidance:Fixed Inner Ring Rib; Hole Diameter (do):10 mm; Configuration:Double Row; Axial Load Factor Y0:1.69; d:180 mm; Roller Profile:Symmetric; Limiting Speed - Oil:1,800 rpm; Enclosure:Open; Static Load Rating:2,040,000 N; Radial Clearance:0.120 to 0.180 mm; Weight:33.700 kg;
NNU4932KPermissible sliding velocity v max.:0.5 m/s; h:252.5 mm; Permissible sliding velocity v min.:0 m/s; Coefficient of friction µ min.:0.08; B:350 mm; Specific static load factor K0:45 N/mm²; a:17.5 mm; α:124 °; Coefficient of friction µ max.:0.15; Specific dynamic load factor K:25 N/mm²; Tolerance shaft:e7; d:250 mm; Tolerance housing:H7; Mass bushing:25.2 kg; D:270 mm;
NN3932 NTN Tapered Roller Bearingba:46.038 mm; J min.:269.875 mm; H1:107.95 mm; Appropriate attachment bolt size G:0.625 in; Pa:14 kN; Da:170 mm; Stabilizing ring:SR-19-16; N1:19.05 mm; A1:98.425 mm; R2:26.988 mm; H:209.55 mm; Cap bolt recommended tightening torque:515.2 N·m; RG:3/8 NPT; J1:53.975 mm; Initial grease fill:181.44 g; R1:63.5 mm; P150°:30.7 kN; da:69.85 mm; End plug (suffix Y):EPR 8; Cap bolt:2 x 3/4-10 UNC;
NNU3022 NTN Tapered Roller BearingDa (max):792 mm; Axial Load Factor Y2:3.29; Retainer Material:Machined Brass; Roller Profile:Symmetric; Groove Width A:45 mm; ra (max):5 mm; Static Load Rating:13,500,000 N; d:560 mm; Axial Load Factor Y1:2.21; Fillet Radius/Chamfer:6 mm; Dynamic Load Rating:8,350,000 N; Radial Clearance:0.440 to 0.600 mm; D:820 mm; Weight:468.000 kg; Nr. of Holes:8; Limiting Speed - Oil:520 rpm; Limiting Speed - Grease:420 rpm;
NNU4921KCalculation factor Y0:2; Basic static load rating C0:10000 kN; Fatigue load limit Pu:830 kN; Comparative axial load rating CFa:177 kN; Calculation factor Y1:2; B:317.5 mm; Mass bearing:170 kg; Basic dynamic load rating C:4130 kN; Calculation factor e:0.33; Comparative radial load rating CF:1080 kN; Design variant/feature:TQOS/GWISI; T:317.5 mm; r1,2 min.:1 mm; d:355.6 mm; d1 ≈:382 mm; D1 ≈:448 mm;
4R2035 NTN Cylindrical Roller BearingFatigue load limit Pu:50 kN; ra max.:5 mm; B:112 mm; da min.:1273 mm; Calculation factor Y2:0.76; Basic dynamic load rating C:1140 kN; r3,4 min.:3 mm; Calculation factor e:0.8; Da max.:1477 mm; Calculation factor A:113; Reference speed:280 r/min; d:1250 mm; Calculation factor kr:0.08; Db max.:1487 mm; D1 ≈:1421 mm; Calculation factor X:0.39; rb max.:2.5 mm; Limiting speed:300 r/min; Mass bearing:390 kg;
NN4924 NTN Tapered Roller BearingRadial Clearance:0.075 to 0.110 mm; db (max):137 mm; Limiting Speed - Grease:2,600 rpm; dc (min):141 mm; Fillet Radius/Chamfer:4 mm; dd (min):156 mm; Configuration:Single Row; D:250 mm; Dynamic Load Rating:450,000 N; Bore Type:Cylindrical Bore; B:58 mm; d:100 mm; db (min):118 mm; Da (max):232 mm; Static Load Rating:500,000 N; ra1 (max):3 mm; ra (max):3 mm; Limiting Speed - Oil:3,000 rpm; r1:4 mm; Enclosure:Open;
NNU4976K NTN Cylindrical Roller Bearingl3 min.:80 mm; G:M 72x4; w:80 mm; r1 min.:1 mm; Specific dynamic load factor K:150 N/mm²; l4 max.:349 mm; dk:92 mm; h1:265 mm; d:70 mm; d4 ≈:92 mm; α:6 °; B:49 mm; Basic static load rating C0:530 kN; Mass rod end:10.5 kg; Basic dynamic load rating C:465 kN; l7 min.:80 mm; C1 max.:43 mm; Material constant KM:330; l5 ≈:40 mm; d2 max.:162 mm;
NN4924K NTN Cylindrical Roller BearingCalculation factor e:0.37; da max.:130 mm; Calculation factor Y1:1.7; Mass bearing + adapter sleeve:14 kg; Permissible angular misalignment α:3 °; Calculation factor kr:0.05; D1 ≈:183.3 mm; db min.:110 mm; Basic static load rating C0:80 kN; Ba min.:8 mm; Limiting speed:4000 r/min; d:90 mm; Calculation factor Y2:2.6; Reference speed:5600 r/min; Da max.:201 mm; d3:130 mm; D:215 mm; r1,2 min.:3 mm;
NN3030K NTN Cylindrical Roller BearingEnclosure:Open; Fillet Radius/Chamfer:2.1 mm; r1:2.1 mm; D:150 mm; Bore Type:Cylindrical Bore; Dynamic Load Rating:205,000 N; Limiting Speed - Oil:4,300 rpm; B:35 mm; db (max):87 mm; dd (min):100 mm; dc (min):92 mm; db (min):82 mm; Limiting Speed - Grease:3,600 rpm; ra1 (max):2 mm; Da (max):138 mm; Static Load Rating:222,000 N; ra (max):2 mm; Configuration:Single Row; Inside Ring Outside Diameter:89 mm;
4R3821 NTN Cylindrical Roller BearingCap bolt recommended tightening torque:4284.4 N·m; Cap bolt, SAE grade:8; L:831.85 mm; RG:1 NPT; P150°:236 kN; Stabilizing ring:SR-44-38; H1:241.3 mm; H2:95.25 mm; R1:130.175 mm; Max. speed for PosiTrac Plus seal:725 r/min; ba:90.487 mm; P120°:260 kN; PG:1/4 NPT; Cap bolt:1 1/2-6 UNC; Housing:SSAFS 544; h:79.375 mm; Labyrinth ring:2 x LOR 584; Eye bolt:2 x 1/2-13 UNC; A1:222.25 mm; P180°:285 kN;

 

 

NNU30/56 NTN Tapered Roller Bearing Video

 

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