Product Details

NN493 NTN Tapered Roller Bearing

Brand Name NTN
Model Number NN493
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

No.BrandhKBGbaCf
NN3944NTN - - 220 mm - 16.7 mm - - -
NNU49/530KNTN - - 11 mm - - - - -
NN3932KNTN - - - - - - - -
NNU3034KNTN - - 19 mm - - - - -
NNU38/5NTN - - 34.9 mm - - - - -
NN3044KNTN - - - - - - - -
4R3823NTN - - 19.842 mm - - 18.656 mm16.667 mm -
NNU4922NTN2 mm - 9 mmM 12x13 mm - - -
NN4952KNTN - - 41 mm - - - - -
NNU4921NTN - - - - - - - -
NN4968NTN - - 29.37 mm - - 25.893 mm23.02 mm -
NN49/56NTN - - 58 mm - - - - -
NNU4984NTN - - - - - - - -
NNU4864NTN - - 160 mm - - - 159 mm -
NN302NTN - 6 mm96 mm - 11.1 mm - - -
NNU3044NTN - 4.5 mm - - - - - -
NNU4940KNTN49.212 mm - - - - - - -
4R4206NTN - - 7 mm - - - - -
NN4921NTN - - 28 mm - - - - -
NNU4928NTN - - 45 mm - - - - -
4R4419NTN - - 8 mm - - - - -
NNU4932NTN - - 49 mmM 72x4 - - - -
NNU4932KNTN252.5 mm - 350 mm - - 17.5 mm - -
NN38/530NTN - - 5 mm - - - - -
NN3056KNTN - - 16 mmM 14x1.5 - - - -
NN3956NTN - - 120 mm - - - - -
NNU303NTN - - 51 mm - - 64.953 mm35 mm -
NN3936NTN - 12 mm375 mm - 22.3 mm - - -
NN3028KNTN - - 11.379 mm34.95 mm - - - -
NN3928NTN - - - - - - - -

 

NN3068K NTN Cylindrical Roller Bearingdd (min):365 mm; ra1 (max):4 mm; Enclosure:Open; ra (max):4 mm; Limiting Speed - Oil:1,400 rpm; db (min):302 mm; r1:5 mm; B:80 mm; Static Load Rating:1,680,000 N; dc (min):343 mm; Inside Ring Outside Diameter:340 mm; Bore Type:Cylindrical Bore; Fillet Radius/Chamfer:5 mm; db (max):336 mm; Da (max):478 mm; Configuration:Single Row; Radial Clearance:0.125 to 0.195 mm; D:500 mm; Dynamic Load Rating:1,140,000 N;
4R4206 NTN Cylindrical Roller BearingB:7 mm; Mass housing washer:0.39 kg; r1,2 min.:1 mm; D:145 mm; D1:112 mm;
NN3026Kdas:495 mm; D:580 mm; B:72 mm; Reference speed:430 r/min; da min.:473 mm; d:460 mm; Limiting speed:530 r/min; Fatigue load limit Pu:260 kN; D1 ≈:543 mm; ra max.:2.5 mm; Mass bearing:44 kg; E:553 mm; Basic dynamic load rating C:1300 kN; Calculation factor Y:0.4; r1,2 min.:3 mm; Da max.:567 mm; Calculation factor e:0.3; Db max.:567 mm; Calculation factor kr:0.11; d1 ≈:501 mm;
NNU4968 NTN Tapered Roller BearingP120°:21.8 kN; N1:19.05 mm; Pa:6.49 kN; J1:53.975 mm; Cap bolt recommended tightening torque:298.3 N·m; Cap bolt, SAE grade:8; R2:21.431 mm; ba:32.544 mm; Ca:57.785 mm; J max.:279.4 mm; PG:1/8 NPT; Appropriate attachment bolt size G:0.625 in; Cap bolt:2 x 5/8-11 UNC; Labyrinth ring:2 x LOR 33; End plug (suffix Y):EPR 7; P150°:19.6 kN; da:57.15 mm; H:167.481 mm; R1:53.181 mm; P180°:23.1 kN;
4R4425 NTN Cylindrical Roller BearingStatic Load Rating:56,500 N; ra:1.5 mm; Radial Clearance:0.023 to 0.043 mm; Fillet Radius/Chamfer:1.5 mm; da:64 mm91 mm; Weight:0.960 kg; d:55 mm; Bore Type:Cylindrical Bore; D:100 mm; B:33.3 mm; Configuration:Double Row; Cy:5.4 mm; Limiting Speed - Grease:4,500 rpm; Dynamic Load Rating:67,500 N; Limiting Speed - Oil:6,300 rpm; Enclosure:Open; Dx:108 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;
4R382 NTN Cylindrical Roller Bearingd:50 mm; J min.:149 mm; A5:29.5 mm; J:157 mm; Limiting speed:800 r/min; A1:34 mm; Fatigue load limit Pu:0.98 kN; J6:187 mm; Recommended tightening torque for grub screw:16.5 N·m; s1:32.6 mm; L:203 mm; Recommended diameter for attachment bolts, inch G:0.625 in; Hexagonal key size for grub screw N:5 mm; H2:22 mm; N4:4 mm; Mass bearing unit:2.65 kg; Basic static load rating C0:23.2 kN; Basic dynamic load rating C:35.1 kN;
NN3036K NTN Cylindrical Roller Bearingd:340 mm; Center Guidance:Fixed Inner Ring Rib; Configuration:Double Row; Weight:212.000 kg; Radial Clearance:0.270 to 0.360 mm; Dynamic Load Rating:5,150,000 N; da (min):362 mm; Retainer Material:Machined Brass; ra (max):4 mm; Hole Diameter (do):15 mm; Fillet Radius/Chamfer:5 mm; Static Load Rating:6,750,000 N; Limiting Speed - Oil:840 rpm; Constant e:0.33; Roller Profile:Symmetric; Axial Load Factor Y0:1.98;
NN4968K NTN Cylindrical Roller BearingB:70 mm; Specific dynamic load factor K:10 N/mm²; Permissible sliding velocity v min.:0.25 m/s; Tolerance housing:H7; Coefficient of friction µ max.:0.1; Mass bushing:0.41 kg; Coefficient of friction µ min.:0.05; D:65 mm; Specific static load factor K0:20 N/mm²; Tolerance shaft:h8; d:55 mm; Permissible sliding velocity v max.:5 m/s;
NNU3088 NTN Tapered Roller BearingB:45 mm; Fillet Radius/Chamfer:3 mm; Da (max):256 mm; dc (min):184 mm; Weight:11.900 kg; Limiting Speed - Grease:2,200 rpm; db (min):164 mm; Enclosure:Open; ra1 (max):2.5 mm; Static Load Rating:490,000 N; r1:3 mm; db (max):179 mm; D:270 mm; Limiting Speed - Oil:2,800 rpm; Bore Type:Cylindrical Bore; Dynamic Load Rating:375,000 N; ra (max):2.5 mm; d:150 mm; dd (min):196 mm; Configuration:Single Row;
NN3088D:180 mm; Da (max):166 mm; Static Load Rating:485,000 N; dc (min):110 mm; r1:3 mm; db (max):106 mm; dd (min):119 mm; ra1 (max):2.5 mm; Radial Clearance:0.075 to 0.110 mm; Fillet Radius/Chamfer:3 mm; Configuration:Single Row; Limiting Speed - Oil:3,600 rpm; db (min):99 mm; Inside Ring Outside Diameter:108 mm; d:85 mm; Limiting Speed - Grease:3,000 rpm; ra (max):2.5 mm; Dynamic Load Rating:390,000 N;
NN3064K NTN Cylindrical Roller BearingBasic dynamic load rating C:125 kN; D1 ≈:421.5 mm; r1,2 min.:1 mm; da min.:444 mm; Reference speed:1100 r/min; Fatigue load limit Pu:16.6 kN; Da max.:436 mm; Minimum load factor A:4; Limiting speed:1600 r/min; Mass bearing (including seat washer where applicable):5.6 kg; H:30 mm; Basic static load rating C0:880 kN; ra max.:1 mm; D:460 mm; d:420 mm; d1 ≈:458.5 mm;
4R3618 NTN Cylindrical Roller Bearingda max.:70.2 mm; Static axial stiffness, preload class B:243 N/µm; Calculation factor f1:0.99; Calculation factor (back-to-back, face-to-face) Y2:1.41; d:60 mm; Number of balls z:19; Basic dynamic load rating C:39 kN; D:95 mm; da min.:66 mm; Mass bearing:0.34 kg; Basic static load rating C0:33.5 kN; Fatigue load limit Pu:1.4 kN; db max.:70.2 mm; a:27.2 mm; Calculation factor fHC:1.02; Calculation factor (single, tandem) Y2:0.87;
NNU4920KFatigue load limit Pu:190 kN; B:112 mm; Calculation factor Y2:3; Calculation factor Y0:2; da min.:197 mm; K:7.5 mm; Da max.:303 mm; d:180 mm; D1 ≈:285 mm; b:13.9 mm; da max.:205 mm; Mass bearing:38 kg; r1,2 min.:4 mm; Basic static load rating C0:2120 kN; Calculation factor e:0.33; d2 ≈:205 mm; Calculation factor Y1:2; Basic dynamic load rating C:1560 kN; ra max.:3 mm; Limiting speed:360 r/min;

 

 

NN493 NTN Tapered Roller Bearing Video

 

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